{"id":906,"date":"2026-06-25T09:01:28","date_gmt":"2026-06-25T09:01:28","guid":{"rendered":"https:\/\/nmrv063gearbox.com\/product\/ep-nrv-e050-aluminium-worm-gearbox\/"},"modified":"2026-06-25T09:01:28","modified_gmt":"2026-06-25T09:01:28","slug":"ep-nrv-e050-aluminium-worm-gearbox","status":"publish","type":"product","link":"https:\/\/nmrv063gearbox.com\/th\/product\/ep-nrv-e050-aluminium-worm-gearbox\/","title":{"rendered":"EP-NRV-E050 Aluminium Worm Gearbox"},"content":{"rendered":"<h2 style=\"color:#1B3F6E;font-family:Arial,sans-serif;font-size:clamp(18px,2.5vw,24px);border-left:4px solid #E8A020;padding-left:12px;margin-top:32px;\">EP-NRV-E050 &mdash; Shaft-Input Aluminium Worm Gearbox with Tail Output Shaft<\/h2>\n<p style=\"font-size:clamp(14px,2vw + 10px,18px);color:#3A3A3A;line-height:1.8;word-break:break-word;\">\n<p><img decoding=\"async\" src=\"https:\/\/nmrv063gearbox.com\/wp-content\/uploads\/2026\/06\/nrv-e-worm-gear-speed-reducer.webp\" alt=\"EP-NRV-E050 shaft-input aluminium worm gearbox with tail output shaft\" style=\"max-width:100%;height:auto;display:block;margin:20px auto;border-radius:6px;\" \/><\/p>\n<h2 style=\"color:#1B3F6E;font-family:Arial,sans-serif;font-size:clamp(18px,2.5vw,24px);border-left:4px solid #E8A020;padding-left:12px;margin-top:32px;\">Technical Specifications &mdash; EP-NRV-E050<\/h2>\n<p><img decoding=\"async\" src=\"https:\/\/nmrv063gearbox.com\/wp-content\/uploads\/2026\/06\/nrv-e-worm-gear-speed-reducer-specification.webp\" alt=\"NRV-E050 worm gearbox dimension drawing shaft input tail output shaft\" style=\"max-width:100%;height:auto;display:block;margin:20px auto;border-radius:6px;\" \/><\/p>\n<div style=\"overflow-x:auto;\">\n<table style=\"width:100%;border-collapse:collapse;font-size:clamp(13px,1.8vw,16px);font-family:Arial,sans-serif;\">\n<thead>\n<tr style=\"background:#1B3F6E;color:#fff;\">\n<th style=\"padding:10px 12px;text-align:left;\">\u0e1e\u0e32\u0e23\u0e32\u0e21\u0e34\u0e40\u0e15\u0e2d\u0e23\u0e4c<\/th>\n<th style=\"padding:10px 12px;text-align:left;\">\u0e04\u0e48\u0e32<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr style=\"background:#F5F6F7;\">\n<td style=\"padding:9px 12px;border-bottom:1px solid #D8DCE3;\">\u0e0a\u0e38\u0e14<\/td>\n<td style=\"padding:9px 12px;border-bottom:1px solid #D8DCE3;\">NRV-E (\u0e40\u0e1e\u0e25\u0e32\u0e41\u0e02\u0e47\u0e07\u0e14\u0e49\u0e32\u0e19\u0e40\u0e02\u0e49\u0e32 \u0e44\u0e21\u0e48\u0e21\u0e35\u0e2b\u0e19\u0e49\u0e32\u0e41\u0e1b\u0e25\u0e19 \u0e40\u0e1e\u0e25\u0e32\u0e2a\u0e48\u0e07\u0e01\u0e33\u0e25\u0e31\u0e07\u0e2d\u0e2d\u0e01\u0e17\u0e34\u0e28\u0e17\u0e32\u0e07\u0e2b\u0e19\u0e2d\u0e19)<\/td>\n<\/tr>\n<tr style=\"\">\n<td style=\"padding:9px 12px;border-bottom:1px solid #D8DCE3;\">\u0e23\u0e30\u0e22\u0e30\u0e2b\u0e48\u0e32\u0e07\u0e28\u0e39\u0e19\u0e22\u0e4c\u0e01\u0e25\u0e32\u0e07<\/td>\n<td style=\"padding:9px 12px;border-bottom:1px solid #D8DCE3;\">050 mm<\/td>\n<\/tr>\n<tr style=\"background:#F5F6F7;\">\n<td style=\"padding:9px 12px;border-bottom:1px solid #D8DCE3;\">\u0e2d\u0e31\u0e15\u0e23\u0e32\u0e2a\u0e48\u0e27\u0e19\u0e01\u0e32\u0e23\u0e25\u0e14\u0e25\u0e07<\/td>\n<td style=\"padding:9px 12px;border-bottom:1px solid #D8DCE3;\">5, 7.5, 10, 15, 20, 25, 30, 40, 50, 60, 80, 100<\/td>\n<\/tr>\n<tr style=\"\">\n<td style=\"padding:9px 12px;border-bottom:1px solid #D8DCE3;\">\u0e01\u0e33\u0e25\u0e31\u0e07\u0e44\u0e1f\u0e1f\u0e49\u0e32\u0e02\u0e32\u0e40\u0e02\u0e49\u0e32\u0e17\u0e35\u0e48\u0e01\u0e33\u0e2b\u0e19\u0e14<\/td>\n<td style=\"padding:9px 12px;border-bottom:1px solid #D8DCE3;\">Up to 1.1 kW<\/td>\n<\/tr>\n<tr style=\"background:#F5F6F7;\">\n<td style=\"padding:9px 12px;border-bottom:1px solid #D8DCE3;\">\u0e0a\u0e48\u0e27\u0e07\u0e04\u0e27\u0e32\u0e21\u0e40\u0e23\u0e47\u0e27\u0e40\u0e2d\u0e32\u0e15\u0e4c\u0e1e\u0e38\u0e15<\/td>\n<td style=\"padding:9px 12px;border-bottom:1px solid #D8DCE3;\">14 \u0e16\u0e36\u0e07 280 \u0e23\u0e2d\u0e1a\/\u0e19\u0e32\u0e17\u0e35 (\u0e17\u0e35\u0e48\u0e04\u0e27\u0e32\u0e21\u0e40\u0e23\u0e47\u0e27\u0e23\u0e2d\u0e1a\u0e02\u0e32\u0e40\u0e02\u0e49\u0e32 1400 \u0e23\u0e2d\u0e1a\/\u0e19\u0e32\u0e17\u0e35)<\/td>\n<\/tr>\n<tr style=\"\">\n<td style=\"padding:9px 12px;border-bottom:1px solid #D8DCE3;\">\u0e41\u0e23\u0e07\u0e1a\u0e34\u0e14\u0e40\u0e2d\u0e32\u0e15\u0e4c\u0e1e\u0e38\u0e15\u0e2a\u0e39\u0e07\u0e2a\u0e38\u0e14<\/td>\n<td style=\"padding:9px 12px;border-bottom:1px solid #D8DCE3;\">4,280 N&middot;m<\/td>\n<\/tr>\n<tr style=\"background:#F5F6F7;\">\n<td style=\"padding:9px 12px;border-bottom:1px solid #D8DCE3;\">\u0e01\u0e32\u0e23\u0e01\u0e33\u0e2b\u0e19\u0e14\u0e04\u0e48\u0e32\u0e2d\u0e34\u0e19\u0e1e\u0e38\u0e15<\/td>\n<td style=\"padding:9px 12px;border-bottom:1px solid #D8DCE3;\">\u0e40\u0e1e\u0e25\u0e32\u0e2d\u0e34\u0e19\u0e1e\u0e38\u0e15\u0e41\u0e1a\u0e1a\u0e41\u0e02\u0e47\u0e07 (\u0e44\u0e21\u0e48\u0e21\u0e35\u0e2b\u0e19\u0e49\u0e32\u0e41\u0e1b\u0e25\u0e19 IEC) + \u0e40\u0e1e\u0e25\u0e32\u0e40\u0e2d\u0e32\u0e15\u0e4c\u0e1e\u0e38\u0e15\u0e41\u0e1a\u0e1a\u0e2b\u0e32\u0e07\u0e40\u0e1f\u0e37\u0e2d\u0e07\u0e15\u0e31\u0e27\u0e2b\u0e19\u0e2d\u0e19<\/td>\n<\/tr>\n<tr style=\"\">\n<td style=\"padding:9px 12px;border-bottom:1px solid #D8DCE3;\">\u0e40\u0e1e\u0e25\u0e32\u0e2d\u0e34\u0e19\u0e1e\u0e38\u0e15<\/td>\n<td style=\"padding:9px 12px;border-bottom:1px solid #D8DCE3;\">\u0e40\u0e1e\u0e25\u0e32\u0e2d\u0e34\u0e19\u0e1e\u0e38\u0e15\u0e41\u0e1a\u0e1a\u0e21\u0e35\u0e23\u0e48\u0e2d\u0e07\u0e41\u0e02\u0e47\u0e07<\/td>\n<\/tr>\n<tr style=\"background:#F5F6F7;\">\n<td style=\"padding:9px 12px;border-bottom:1px solid #D8DCE3;\">\u0e40\u0e1e\u0e25\u0e32\u0e2a\u0e48\u0e07\u0e01\u0e33\u0e25\u0e31\u0e07\u0e17\u0e49\u0e32\u0e22<\/td>\n<td style=\"padding:9px 12px;border-bottom:1px solid #D8DCE3;\">\u0e17\u0e34\u0e28\u0e17\u0e32\u0e07\u0e02\u0e2d\u0e07\u0e15\u0e31\u0e27\u0e2b\u0e19\u0e2d\u0e19 (\u0e41\u0e01\u0e19\u0e40\u0e14\u0e35\u0e22\u0e27\u0e01\u0e31\u0e1a\u0e40\u0e1e\u0e25\u0e32\u0e15\u0e31\u0e27\u0e2b\u0e19\u0e2d\u0e19 \u0e1b\u0e25\u0e32\u0e22\u0e14\u0e49\u0e32\u0e19\u0e15\u0e23\u0e07\u0e02\u0e49\u0e32\u0e21)<\/td>\n<\/tr>\n<tr style=\"\">\n<td style=\"padding:9px 12px;border-bottom:1px solid #D8DCE3;\">\u0e27\u0e31\u0e2a\u0e14\u0e38\u0e2a\u0e33\u0e2b\u0e23\u0e31\u0e1a\u0e17\u0e35\u0e48\u0e2d\u0e22\u0e39\u0e48\u0e2d\u0e32\u0e28\u0e31\u0e22<\/td>\n<td style=\"padding:9px 12px;border-bottom:1px solid #D8DCE3;\">\u0e42\u0e25\u0e2b\u0e30\u0e1c\u0e2a\u0e21\u0e2d\u0e30\u0e25\u0e39\u0e21\u0e34\u0e40\u0e19\u0e35\u0e22\u0e21\u0e2b\u0e25\u0e48\u0e2d\u0e02\u0e36\u0e49\u0e19\u0e23\u0e39\u0e1b<\/td>\n<\/tr>\n<tr style=\"background:#F5F6F7;\">\n<td style=\"padding:9px 12px;border-bottom:1px solid #D8DCE3;\">\u0e27\u0e31\u0e2a\u0e14\u0e38\u0e40\u0e1f\u0e37\u0e2d\u0e07\u0e15\u0e31\u0e27\u0e2b\u0e19\u0e2d\u0e19<\/td>\n<td style=\"padding:9px 12px;border-bottom:1px solid #D8DCE3;\">\u0e1f\u0e2d\u0e2a\u0e1f\u0e2d\u0e23\u0e4c\u0e1a\u0e23\u0e2d\u0e19\u0e0b\u0e4c<\/td>\n<\/tr>\n<tr style=\"\">\n<td style=\"padding:9px 12px;border-bottom:1px solid #D8DCE3;\">\u0e27\u0e31\u0e2a\u0e14\u0e38\u0e40\u0e1e\u0e25\u0e32\u0e2b\u0e19\u0e2d\u0e19<\/td>\n<td style=\"padding:9px 12px;border-bottom:1px solid #D8DCE3;\">\u0e40\u0e2b\u0e25\u0e47\u0e01\u0e2d\u0e31\u0e25\u0e25\u0e2d\u0e22 20CrMnTi \u0e0a\u0e38\u0e1a\u0e41\u0e02\u0e47\u0e07\u0e1c\u0e34\u0e27 \u0e41\u0e25\u0e30\u0e40\u0e08\u0e35\u0e22\u0e23\u0e2d\u0e22\u0e48\u0e32\u0e07\u0e41\u0e21\u0e48\u0e19\u0e22\u0e33<\/td>\n<\/tr>\n<tr style=\"background:#F5F6F7;\">\n<td style=\"padding:9px 12px;border-bottom:1px solid #D8DCE3;\">\u0e40\u0e2a\u0e49\u0e19\u0e1c\u0e48\u0e32\u0e19\u0e28\u0e39\u0e19\u0e22\u0e4c\u0e01\u0e25\u0e32\u0e07\u0e23\u0e39\u0e17\u0e32\u0e07\u0e2d\u0e2d\u0e01<\/td>\n<td style=\"padding:9px 12px;border-bottom:1px solid #D8DCE3;\">25 mm H7 with keyway<\/td>\n<\/tr>\n<tr style=\"\">\n<td style=\"padding:9px 12px;border-bottom:1px solid #D8DCE3;\">\u0e01\u0e32\u0e23\u0e2b\u0e25\u0e48\u0e2d\u0e25\u0e37\u0e48\u0e19<\/td>\n<td style=\"padding:9px 12px;border-bottom:1px solid #D8DCE3;\">\u0e19\u0e49\u0e33\u0e21\u0e31\u0e19\u0e40\u0e01\u0e35\u0e22\u0e23\u0e4c ISO VG 220 (\u0e40\u0e15\u0e34\u0e21\u0e21\u0e32\u0e08\u0e32\u0e01\u0e42\u0e23\u0e07\u0e07\u0e32\u0e19)<\/td>\n<\/tr>\n<tr style=\"background:#F5F6F7;\">\n<td style=\"padding:9px 12px;border-bottom:1px solid #D8DCE3;\">\u0e15\u0e33\u0e41\u0e2b\u0e19\u0e48\u0e07\u0e01\u0e32\u0e23\u0e15\u0e34\u0e14\u0e15\u0e31\u0e49\u0e07<\/td>\n<td style=\"padding:9px 12px;border-bottom:1px solid #D8DCE3;\">\u0e1a\u0e353, \u0e1a\u0e356, \u0e1a\u0e357, \u0e1a\u0e358, \u0e27\u0e355, \u0e27\u0e356<\/td>\n<\/tr>\n<tr style=\"\">\n<td style=\"padding:9px 12px;border-bottom:1px solid #D8DCE3;\">\u0e23\u0e30\u0e14\u0e31\u0e1a\u0e01\u0e32\u0e23\u0e1b\u0e49\u0e2d\u0e07\u0e01\u0e31\u0e19<\/td>\n<td style=\"padding:9px 12px;border-bottom:1px solid #D8DCE3;\">IP54<\/td>\n<\/tr>\n<tr style=\"background:#F5F6F7;\">\n<td style=\"padding:9px 12px;\">\u0e2d\u0e38\u0e13\u0e2b\u0e20\u0e39\u0e21\u0e34\u0e41\u0e27\u0e14\u0e25\u0e49\u0e2d\u0e21<\/td>\n<td style=\"padding:9px 12px;\">-10\u00b0C \u0e16\u0e36\u0e07 +40\u00b0C<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<div style=\"overflow-x:auto;\">\n<p style=\"font-weight:bold;color:#1B3F6E;margin:16px 0 4px;\">NRV-E050 Performance Table (1.1 kW \/ 1400 r\/min)<\/p>\n<table style=\"width:100%;border-collapse:collapse;font-size:clamp(13px,1.8vw,16px);font-family:Arial,sans-serif;\">\n<thead>\n<tr style=\"background:#1B3F6E;color:#fff;\">\n<th style=\"padding:10px 12px;text-align:left;\">\u0e2d\u0e31\u0e15\u0e23\u0e32\u0e2a\u0e48\u0e27\u0e19 (i)<\/th>\n<th style=\"padding:10px 12px;text-align:left;\">\u0e04\u0e27\u0e32\u0e21\u0e40\u0e23\u0e47\u0e27\u0e23\u0e2d\u0e1a\u0e40\u0e2d\u0e32\u0e15\u0e4c\u0e1e\u0e38\u0e15 (\u0e23\u0e2d\u0e1a\/\u0e19\u0e32\u0e17\u0e35)<\/th>\n<th style=\"padding:10px 12px;text-align:left;\">\u0e41\u0e23\u0e07\u0e1a\u0e34\u0e14\u0e40\u0e2d\u0e32\u0e15\u0e4c\u0e1e\u0e38\u0e15 (\u0e19\u0e34\u0e27\u0e15\u0e31\u0e19\u0e40\u0e21\u0e15\u0e23)<\/th>\n<th style=\"padding:10px 12px;text-align:left;\">\u0e1b\u0e31\u0e08\u0e08\u0e31\u0e22\u0e01\u0e32\u0e23\u0e43\u0e2b\u0e49\u0e1a\u0e23\u0e34\u0e01\u0e32\u0e23 (fs)<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr style=\"background:#F5F6F7;\">\n<td style=\"padding:9px 12px;border-bottom:1px solid #D8DCE3;\">7.5<\/td>\n<td style=\"padding:9px 12px;border-bottom:1px solid #D8DCE3;\">187<\/td>\n<td style=\"padding:9px 12px;border-bottom:1px solid #D8DCE3;\">683<\/td>\n<td style=\"padding:9px 12px;border-bottom:1px solid #D8DCE3;\">2.3<\/td>\n<\/tr>\n<tr style=\"\">\n<td style=\"padding:9px 12px;border-bottom:1px solid #D8DCE3;\">10<\/td>\n<td style=\"padding:9px 12px;border-bottom:1px solid #D8DCE3;\">140<\/td>\n<td style=\"padding:9px 12px;border-bottom:1px solid #D8DCE3;\">752<\/td>\n<td style=\"padding:9px 12px;border-bottom:1px solid #D8DCE3;\">1.8<\/td>\n<\/tr>\n<tr style=\"background:#F5F6F7;\">\n<td style=\"padding:9px 12px;border-bottom:1px solid #D8DCE3;\">15<\/td>\n<td style=\"padding:9px 12px;border-bottom:1px solid #D8DCE3;\">93<\/td>\n<td style=\"padding:9px 12px;border-bottom:1px solid #D8DCE3;\">861<\/td>\n<td style=\"padding:9px 12px;border-bottom:1px solid #D8DCE3;\">1.3<\/td>\n<\/tr>\n<tr style=\"\">\n<td style=\"padding:9px 12px;border-bottom:1px solid #D8DCE3;\">20<\/td>\n<td style=\"padding:9px 12px;border-bottom:1px solid #D8DCE3;\">70<\/td>\n<td style=\"padding:9px 12px;border-bottom:1px solid #D8DCE3;\">948<\/td>\n<td style=\"padding:9px 12px;border-bottom:1px solid #D8DCE3;\">1.0<\/td>\n<\/tr>\n<tr style=\"background:#F5F6F7;\">\n<td style=\"padding:9px 12px;border-bottom:1px solid #D8DCE3;\">30<\/td>\n<td style=\"padding:9px 12px;border-bottom:1px solid #D8DCE3;\">47<\/td>\n<td style=\"padding:9px 12px;border-bottom:1px solid #D8DCE3;\">1,085<\/td>\n<td style=\"padding:9px 12px;border-bottom:1px solid #D8DCE3;\">1.0<\/td>\n<\/tr>\n<tr style=\"\">\n<td style=\"padding:9px 12px;border-bottom:1px solid #D8DCE3;\">40<\/td>\n<td style=\"padding:9px 12px;border-bottom:1px solid #D8DCE3;\">35<\/td>\n<td style=\"padding:9px 12px;border-bottom:1px solid #D8DCE3;\">2,475<\/td>\n<td style=\"padding:9px 12px;border-bottom:1px solid #D8DCE3;\">2.1<\/td>\n<\/tr>\n<tr style=\"background:#F5F6F7;\">\n<td style=\"padding:9px 12px;border-bottom:1px solid #D8DCE3;\">50<\/td>\n<td style=\"padding:9px 12px;border-bottom:1px solid #D8DCE3;\">28<\/td>\n<td style=\"padding:9px 12px;border-bottom:1px solid #D8DCE3;\">2,865<\/td>\n<td style=\"padding:9px 12px;border-bottom:1px solid #D8DCE3;\">2.3<\/td>\n<\/tr>\n<tr style=\"\">\n<td style=\"padding:9px 12px;border-bottom:1px solid #D8DCE3;\">60<\/td>\n<td style=\"padding:9px 12px;border-bottom:1px solid #D8DCE3;\">23<\/td>\n<td style=\"padding:9px 12px;border-bottom:1px solid #D8DCE3;\">3,153<\/td>\n<td style=\"padding:9px 12px;border-bottom:1px solid #D8DCE3;\">1.7<\/td>\n<\/tr>\n<tr style=\"background:#F5F6F7;\">\n<td style=\"padding:9px 12px;border-bottom:1px solid #D8DCE3;\">80<\/td>\n<td style=\"padding:9px 12px;border-bottom:1px solid #D8DCE3;\">18<\/td>\n<td style=\"padding:9px 12px;border-bottom:1px solid #D8DCE3;\">3,610<\/td>\n<td style=\"padding:9px 12px;border-bottom:1px solid #D8DCE3;\">1.6<\/td>\n<\/tr>\n<tr style=\"\">\n<td style=\"padding:9px 12px;\">100<\/td>\n<td style=\"padding:9px 12px;\">14<\/td>\n<td style=\"padding:9px 12px;\">4,280<\/td>\n<td style=\"padding:9px 12px;\">1.4<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<p><script type=\"application\/ld+json\">{\n    \"@context\": \"https:\\\/\\\/schema.org\",\n    \"@type\": \"Product\",\n    \"name\": \"EP-NRV-E050 Aluminium Worm Gearbox\",\n    \"brand\": {\n        \"@type\": \"Brand\",\n        \"name\": \"EP\"\n    },\n    \"sku\": \"EP-NRV-E050\",\n    \"description\": \"Shaft-input aluminium worm gearbox with worm-direction tail output shaft, 050mm centre distance, up to 1.1 kW, max torque 4,280 Nm, IP54.\",\n    \"material\": \"Die-cast aluminium alloy housing, phosphor bronze worm wheel\",\n    \"category\": \"Aluminium Worm Reducer\",\n    \"offers\": {\n        \"@type\": \"Offer\",\n        \"priceCurrency\": \"USD\",\n        \"price\": \"Contact for Quote\",\n        \"availability\": \"https:\\\/\\\/schema.org\\\/InStock\"\n    }\n}<\/script><\/p>\n<h2 style=\"color:#1B3F6E;font-family:Arial,sans-serif;font-size:clamp(18px,2.5vw,24px);border-left:4px solid #E8A020;padding-left:12px;margin-top:32px;\">\u2705 \u0e04\u0e38\u0e13\u0e2a\u0e21\u0e1a\u0e31\u0e15\u0e34\u0e2b\u0e25\u0e31\u0e01\u0e41\u0e25\u0e30\u0e2a\u0e34\u0e17\u0e18\u0e34\u0e1b\u0e23\u0e30\u0e42\u0e22\u0e0a\u0e19\u0e4c\u0e1e\u0e34\u0e40\u0e28\u0e29<\/h2>\n<div style=\"display:flex;flex-wrap:wrap;gap:16px;margin-top:16px;\">\n<div style=\"width:100%;max-width:400px;box-sizing:border-box;background:#fff;border:1px solid #D8DCE3;border-top:4px solid #1B3F6E;border-radius:6px;padding:3%;\">\n<h3 style=\"color:#1B3F6E;font-size:clamp(15px,2vw,18px);margin-top:0;\">\ud83d\udd17 \u0e40\u0e1e\u0e25\u0e32\u0e2a\u0e48\u0e07\u0e01\u0e33\u0e25\u0e31\u0e07\u0e41\u0e1a\u0e1a\u0e40\u0e1f\u0e37\u0e2d\u0e07\u0e15\u0e31\u0e27\u0e2b\u0e19\u0e2d\u0e19 \u2014 \u0e08\u0e38\u0e14\u0e41\u0e15\u0e01\u0e15\u0e48\u0e32\u0e07\u0e17\u0e35\u0e48\u0e2a\u0e33\u0e04\u0e31\u0e0d<\/h3>\n<p style=\"color:#3A3A3A;font-size:clamp(13px,1.8vw,16px);line-height:1.7;\">The defining feature of the NRV-E050 is its additional tail output shaft that extends in the same direction as the worm shaft axis. This second output enables simultaneous drive of two independent loads from a single gearbox &mdash; a primary application drive via the main output bore and a secondary auxiliary drive (encoder, tachometer, small pump, or fan) via the tail shaft.<\/p>\n<\/div>\n<div style=\"width:100%;max-width:400px;box-sizing:border-box;background:#fff;border:1px solid #D8DCE3;border-top:4px solid #E8A020;border-radius:6px;padding:3%;\">\n<h3 style=\"color:#1B3F6E;font-size:clamp(15px,2vw,18px);margin-top:0;\">&#127302; PTO Drive + Safety Monitoring<\/h3>\n<p style=\"color:#3A3A3A;font-size:clamp(13px,1.8vw,16px);line-height:1.7;\">The NRV-E050 accepts PTO chain or belt input up to 1.1 kW while the tail shaft provides the rotation monitoring output for safety interlock systems &mdash; critical for grain dryer conveyor safety in Australian agriculture.<\/p>\n<\/div>\n<div style=\"width:100%;max-width:400px;box-sizing:border-box;background:#fff;border:1px solid #D8DCE3;border-top:4px solid #2E9E6B;border-radius:6px;padding:3%;\">\n<h3 style=\"color:#1B3F6E;font-size:clamp(15px,2vw,18px);margin-top:0;\">&#9711; Same Torque as Standard NRV050<\/h3>\n<p style=\"color:#3A3A3A;font-size:clamp(13px,1.8vw,16px);line-height:1.7;\">The NRV-E050 delivers identical maximum output torque (4,280 N&middot;m) to the standard NRV050, confirming that the tail shaft adds zero performance penalty on the main output. The tail shaft is driven directly off the worm shaft end, not the output stage.<\/p>\n<\/div>\n<div style=\"width:100%;max-width:400px;box-sizing:border-box;background:#fff;border:1px solid #D8DCE3;border-top:4px solid #E8A020;border-radius:6px;padding:3%;\">\n<h3 style=\"color:#1B3F6E;font-size:clamp(15px,2vw,18px);margin-top:0;\">\ud83c\udd46 \u0e1e\u0e23\u0e49\u0e2d\u0e21\u0e43\u0e0a\u0e49\u0e07\u0e32\u0e19 Encoder &amp; Feedback<\/h3>\n<p style=\"color:#3A3A3A;font-size:clamp(13px,1.8vw,16px);line-height:1.7;\">\u0e40\u0e1e\u0e25\u0e32\u0e2a\u0e48\u0e07\u0e01\u0e33\u0e25\u0e31\u0e07\u0e14\u0e49\u0e32\u0e19\u0e17\u0e49\u0e32\u0e22\u0e40\u0e1b\u0e47\u0e19\u0e08\u0e38\u0e14\u0e40\u0e0a\u0e37\u0e48\u0e2d\u0e21\u0e15\u0e48\u0e2d\u0e42\u0e14\u0e22\u0e15\u0e23\u0e07\u0e2a\u0e33\u0e2b\u0e23\u0e31\u0e1a\u0e15\u0e31\u0e27\u0e40\u0e02\u0e49\u0e32\u0e23\u0e2b\u0e31\u0e2a\u0e41\u0e1a\u0e1a\u0e2b\u0e21\u0e38\u0e19 \u0e40\u0e04\u0e23\u0e37\u0e48\u0e2d\u0e07\u0e01\u0e33\u0e40\u0e19\u0e34\u0e14\u0e44\u0e1f\u0e1f\u0e49\u0e32\u0e41\u0e1a\u0e1a\u0e17\u0e32\u0e42\u0e04 \u0e41\u0e25\u0e30\u0e40\u0e04\u0e23\u0e37\u0e48\u0e2d\u0e07\u0e01\u0e33\u0e40\u0e19\u0e34\u0e14\u0e1e\u0e31\u0e25\u0e2a\u0e4c\u0e17\u0e35\u0e48\u0e43\u0e0a\u0e49\u0e15\u0e23\u0e27\u0e08\u0e2a\u0e2d\u0e1a\u0e04\u0e27\u0e32\u0e21\u0e40\u0e23\u0e47\u0e27\u0e02\u0e2d\u0e07\u0e40\u0e1e\u0e25\u0e32\u0e15\u0e31\u0e27\u0e2b\u0e19\u0e2d\u0e19\u0e43\u0e19\u0e23\u0e30\u0e1a\u0e1a\u0e04\u0e27\u0e1a\u0e04\u0e38\u0e21\u0e01\u0e32\u0e23\u0e40\u0e04\u0e25\u0e37\u0e48\u0e2d\u0e19\u0e17\u0e35\u0e48\u0e41\u0e1a\u0e1a\u0e27\u0e07\u0e1b\u0e34\u0e14 \u0e0b\u0e36\u0e48\u0e07\u0e0a\u0e48\u0e27\u0e22\u0e02\u0e08\u0e31\u0e14\u0e04\u0e27\u0e32\u0e21\u0e08\u0e33\u0e40\u0e1b\u0e47\u0e19\u0e43\u0e19\u0e01\u0e32\u0e23\u0e43\u0e0a\u0e49\u0e02\u0e32\u0e22\u0e36\u0e14\u0e15\u0e31\u0e27\u0e40\u0e02\u0e49\u0e32\u0e23\u0e2b\u0e31\u0e2a\u0e20\u0e32\u0e22\u0e19\u0e2d\u0e01\u0e41\u0e25\u0e30\u0e2d\u0e38\u0e1b\u0e01\u0e23\u0e13\u0e4c\u0e40\u0e0a\u0e37\u0e48\u0e2d\u0e21\u0e15\u0e48\u0e2d\u0e15\u0e48\u0e32\u0e07\u0e46<\/p>\n<\/div>\n<div style=\"width:100%;max-width:400px;box-sizing:border-box;background:#fff;border:1px solid #D8DCE3;border-top:4px solid #1B3F6E;border-radius:6px;padding:3%;\">\n<h3 style=\"color:#1B3F6E;font-size:clamp(15px,2vw,18px);margin-top:0;\">\ud83d\udeab IP54 \u2014 \u0e23\u0e30\u0e1a\u0e1a\u0e0b\u0e35\u0e25\u0e2a\u0e2d\u0e07\u0e0a\u0e31\u0e49\u0e19\u0e40\u0e1e\u0e37\u0e48\u0e2d\u0e04\u0e27\u0e32\u0e21\u0e2a\u0e21\u0e1a\u0e39\u0e23\u0e13\u0e4c<\/h3>\n<p style=\"color:#3A3A3A;font-size:clamp(13px,1.8vw,16px);line-height:1.7;\">\u0e17\u0e31\u0e49\u0e07\u0e23\u0e39\u0e17\u0e32\u0e07\u0e2d\u0e2d\u0e01\u0e2b\u0e25\u0e31\u0e01\u0e41\u0e25\u0e30\u0e17\u0e32\u0e07\u0e2d\u0e2d\u0e01\u0e02\u0e2d\u0e07\u0e40\u0e1e\u0e25\u0e32\u0e17\u0e49\u0e32\u0e22\u0e16\u0e39\u0e01\u0e1b\u0e34\u0e14\u0e1c\u0e19\u0e36\u0e01\u0e14\u0e49\u0e27\u0e22\u0e0b\u0e35\u0e25\u0e01\u0e31\u0e19\u0e23\u0e31\u0e48\u0e27\u0e41\u0e1a\u0e1a\u0e2a\u0e2d\u0e07\u0e08\u0e38\u0e14\u0e2a\u0e31\u0e21\u0e1c\u0e31\u0e2a \u0e23\u0e31\u0e01\u0e29\u0e32\u0e21\u0e32\u0e15\u0e23\u0e10\u0e32\u0e19\u0e01\u0e32\u0e23\u0e1b\u0e49\u0e2d\u0e07\u0e01\u0e31\u0e19 IP54 \u0e43\u0e19\u0e17\u0e38\u0e01\u0e17\u0e34\u0e28\u0e17\u0e32\u0e07\u0e01\u0e32\u0e23\u0e15\u0e34\u0e14\u0e15\u0e31\u0e49\u0e07\u0e42\u0e14\u0e22\u0e44\u0e21\u0e48\u0e21\u0e35\u0e19\u0e49\u0e33\u0e21\u0e31\u0e19\u0e23\u0e31\u0e48\u0e27\u0e0b\u0e36\u0e21\u0e17\u0e35\u0e48\u0e08\u0e38\u0e14\u0e40\u0e0a\u0e37\u0e48\u0e2d\u0e21\u0e15\u0e48\u0e2d\u0e40\u0e1e\u0e25\u0e32\u0e17\u0e31\u0e49\u0e07\u0e2a\u0e2d\u0e07\u0e14\u0e49\u0e32\u0e19<\/p>\n<\/div>\n<\/div>\n<p><img decoding=\"async\" src=\"https:\/\/nmrv063gearbox.com\/wp-content\/uploads\/2026\/06\/aluminium-worm-gearbox-structure.webp\" alt=\"NRV-E050 internal worm gearbox assembly tail output shaft\" style=\"max-width:100%;height:auto;display:block;margin:20px auto;border-radius:6px;\" \/><\/p>\n<h2 style=\"color:#1B3F6E;font-family:Arial,sans-serif;font-size:clamp(18px,2.5vw,24px);border-left:4px solid #E8A020;padding-left:12px;margin-top:32px;\">\ud83c\udfed \u0e15\u0e31\u0e27\u0e2d\u0e22\u0e48\u0e32\u0e07\u0e01\u0e32\u0e23\u0e43\u0e0a\u0e49\u0e07\u0e32\u0e19<\/h2>\n<div style=\"display:flex;flex-wrap:wrap;gap:14px;margin-top:16px;\">\n<div style=\"width:100%;max-width:380px;box-sizing:border-box;background:#F5F6F7;border-radius:8px;padding:3%;\">\n<h3 style=\"color:#1B3F6E;font-size:clamp(14px,2vw,17px);margin:0 0 8px;\">&#128686; Closed-Loop Conveyor Control<\/h3>\n<p style=\"color:#3A3A3A;font-size:clamp(13px,1.8vw,15px);line-height:1.6;\">NMRV-E050 worm gearbox for heavy conveyor drives where the tail shaft mounts a tachogenerator providing speed feedback to a VFD controller, enabling precise belt speed regulation under variable load.<\/p>\n<\/div>\n<div style=\"width:100%;max-width:380px;box-sizing:border-box;background:#F5F6F7;border-radius:8px;padding:3%;\">\n<h3 style=\"color:#1B3F6E;font-size:clamp(14px,2vw,17px);margin:0 0 8px;\">&#9881; Industrial Mixer Monitoring<\/h3>\n<p style=\"color:#3A3A3A;font-size:clamp(13px,1.8vw,15px);line-height:1.6;\">Heavy-duty worm gear reducer with tail output shaft for industrial mixer drives where the tail shaft speed signal monitors worm shaft rotation, detecting stall conditions in high-viscosity batches.<\/p>\n<\/div>\n<div style=\"width:100%;max-width:380px;box-sizing:border-box;background:#F5F6F7;border-radius:8px;padding:3%;\">\n<h3 style=\"color:#1B3F6E;font-size:clamp(14px,2vw,17px);margin:0 0 8px;\">&#128167; Water Treatment Instrumented Drives<\/h3>\n<p style=\"color:#3A3A3A;font-size:clamp(13px,1.8vw,15px);line-height:1.6;\">Aluminium worm gearbox with tail shaft for slow-speed filter screen and sludge scraper drives where a tail-mounted pulse counter provides the operations team with real-time rotation confirmation.<\/p>\n<\/div>\n<div style=\"width:100%;max-width:380px;box-sizing:border-box;background:#F5F6F7;border-radius:8px;padding:3%;\">\n<h3 style=\"color:#1B3F6E;font-size:clamp(14px,2vw,17px);margin:0 0 8px;\">&#128230; Print Line Register Control<\/h3>\n<p style=\"color:#3A3A3A;font-size:clamp(13px,1.8vw,15px);line-height:1.6;\">Worm gear reduction gearbox with tail output for gravure printing press section drives where the tail shaft encoder provides master-line speed reference for digital register control systems.<\/p>\n<\/div>\n<\/div>\n<p><img decoding=\"async\" src=\"https:\/\/nmrv063gearbox.com\/wp-content\/uploads\/2026\/06\/industrial-automation-application.webp\" alt=\"NMRV-E050 worm gearbox tail shaft tachogenerator industrial monitoring\" style=\"max-width:100%;height:auto;display:block;margin:20px auto;border-radius:6px;\" \/><\/p>\n<h2 style=\"color:#1B3F6E;font-family:Arial,sans-serif;font-size:clamp(18px,2.5vw,24px);border-left:4px solid #E8A020;padding-left:12px;margin-top:32px;\">\ud83d\udd0e \u0e04\u0e39\u0e48\u0e21\u0e37\u0e2d\u0e01\u0e32\u0e23\u0e40\u0e25\u0e37\u0e2d\u0e01<\/h2>\n<div style=\"background:#F5F6F7;border-left:4px solid #1B3F6E;border-radius:4px;padding:3%;margin:16px 0;\">\n<p style=\"color:#1B3F6E;font-weight:bold;font-size:clamp(14px,2vw,17px);margin-top:0;\">Worked Example &mdash; Grain Dryer Safety Interlock<\/p>\n<p style=\"color:#3A3A3A;font-size:clamp(13px,1.8vw,16px);line-height:1.7;\">Required: NRV-E050 at i=30, chain-driven from 1.1 kW engine countershaft, tail shaft to safety PLC rotation sensor. Output speed = 47 r\/min, torque = 1,085 N&middot;m. Tail shaft: proximity sensor target disk, 25 mm bore. &#9989; NRV-E050-30 selected.<\/p>\n<\/div>\n<h2 style=\"color:#1B3F6E;font-family:Arial,sans-serif;font-size:clamp(18px,2.5vw,24px);border-left:4px solid #E8A020;padding-left:12px;margin-top:32px;\">&#9878; NRV-E050 vs Standard NRV050<\/h2>\n<div style=\"overflow-x:auto;\">\n<table style=\"width:100%;border-collapse:collapse;font-size:clamp(13px,1.8vw,16px);font-family:Arial,sans-serif;\">\n<thead>\n<tr style=\"background:#1B3F6E;color:#fff;\">\n<th style=\"padding:10px 12px;text-align:left;\">\u0e04\u0e38\u0e13\u0e2a\u0e21\u0e1a\u0e31\u0e15\u0e34<\/th>\n<th style=\"padding:10px 12px;text-align:left;\">EP-NRV-E050 (with Tail Shaft)<\/th>\n<th style=\"padding:10px 12px;text-align:left;\">EP-NRV050 (Standard)<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr style=\"background:#F5F6F7;\">\n<td style=\"padding:9px 12px;border-bottom:1px solid #D8DCE3;\">\u0e40\u0e1e\u0e25\u0e32\u0e2a\u0e48\u0e07\u0e01\u0e33\u0e25\u0e31\u0e07\u0e17\u0e49\u0e32\u0e22<\/td>\n<td style=\"padding:9px 12px;border-bottom:1px solid #D8DCE3;\">\u2705 \u0e43\u0e0a\u0e48 \u2014 \u0e17\u0e34\u0e28\u0e17\u0e32\u0e07\u0e02\u0e2d\u0e07\u0e2b\u0e19\u0e2d\u0e19<\/td>\n<td style=\"padding:9px 12px;border-bottom:1px solid #D8DCE3;\">\u0e40\u0e25\u0e02\u0e17\u0e35\u0e48<\/td>\n<\/tr>\n<tr style=\"\">\n<td style=\"padding:9px 12px;border-bottom:1px solid #D8DCE3;\">\u0e01\u0e32\u0e23\u0e15\u0e34\u0e14\u0e15\u0e31\u0e49\u0e07\u0e15\u0e31\u0e27\u0e40\u0e02\u0e49\u0e32\u0e23\u0e2b\u0e31\u0e2a\/\u0e1f\u0e35\u0e14\u0e41\u0e1a\u0e47\u0e01<\/td>\n<td style=\"padding:9px 12px;border-bottom:1px solid #D8DCE3;\">\u0e15\u0e48\u0e2d\u0e15\u0e23\u0e07\u0e17\u0e35\u0e48\u0e40\u0e1e\u0e25\u0e32\u0e17\u0e49\u0e32\u0e22<\/td>\n<td style=\"padding:9px 12px;border-bottom:1px solid #D8DCE3;\">\u0e15\u0e49\u0e2d\u0e07\u0e43\u0e0a\u0e49\u0e02\u0e32\u0e22\u0e36\u0e14\u0e20\u0e32\u0e22\u0e19\u0e2d\u0e01<\/td>\n<\/tr>\n<tr style=\"background:#F5F6F7;\">\n<td style=\"padding:9px 12px;border-bottom:1px solid #D8DCE3;\">\u0e23\u0e30\u0e1a\u0e1a\u0e02\u0e31\u0e1a\u0e40\u0e04\u0e25\u0e37\u0e48\u0e2d\u0e19\u0e42\u0e2b\u0e25\u0e14\u0e04\u0e39\u0e48<\/td>\n<td style=\"padding:9px 12px;border-bottom:1px solid #D8DCE3;\">\u0e43\u0e0a\u0e48 \u2014 \u0e2a\u0e48\u0e27\u0e19\u0e2b\u0e25\u0e31\u0e01 + \u0e2a\u0e48\u0e27\u0e19\u0e17\u0e49\u0e32\u0e22<\/td>\n<td style=\"padding:9px 12px;border-bottom:1px solid #D8DCE3;\">\u0e44\u0e21\u0e48 \u2014 \u0e21\u0e35\u0e40\u0e2d\u0e32\u0e15\u0e4c\u0e1e\u0e38\u0e15\u0e40\u0e14\u0e35\u0e22\u0e27\u0e40\u0e17\u0e48\u0e32\u0e19\u0e31\u0e49\u0e19<\/td>\n<\/tr>\n<tr style=\"\">\n<td style=\"padding:9px 12px;border-bottom:1px solid #D8DCE3;\">\u0e41\u0e23\u0e07\u0e1a\u0e34\u0e14\u0e40\u0e2d\u0e32\u0e15\u0e4c\u0e1e\u0e38\u0e15\u0e2b\u0e25\u0e31\u0e01<\/td>\n<td style=\"padding:9px 12px;border-bottom:1px solid #D8DCE3;\">4,280 N&middot;m<\/td>\n<td style=\"padding:9px 12px;border-bottom:1px solid #D8DCE3;\">4,280 N&middot;m<\/td>\n<\/tr>\n<tr style=\"background:#F5F6F7;\">\n<td style=\"padding:9px 12px;border-bottom:1px solid #D8DCE3;\">\u0e02\u0e19\u0e32\u0e14\u0e02\u0e2d\u0e07\u0e17\u0e35\u0e48\u0e2d\u0e22\u0e39\u0e48\u0e2d\u0e32\u0e28\u0e31\u0e22<\/td>\n<td style=\"padding:9px 12px;border-bottom:1px solid #D8DCE3;\">\u0e22\u0e32\u0e27\u0e01\u0e27\u0e48\u0e32\u0e40\u0e25\u0e47\u0e01\u0e19\u0e49\u0e2d\u0e22 (\u0e2a\u0e48\u0e27\u0e19\u0e1b\u0e25\u0e32\u0e22\u0e02\u0e2d\u0e07\u0e01\u0e49\u0e32\u0e19\u0e2b\u0e32\u0e07\u0e22\u0e37\u0e48\u0e19\u0e2d\u0e2d\u0e01\u0e21\u0e32)<\/td>\n<td style=\"padding:9px 12px;border-bottom:1px solid #D8DCE3;\">\u0e04\u0e27\u0e32\u0e21\u0e22\u0e32\u0e27\u0e21\u0e32\u0e15\u0e23\u0e10\u0e32\u0e19<\/td>\n<\/tr>\n<tr style=\"\">\n<td style=\"padding:9px 12px;\">\u0e2d\u0e34\u0e19\u0e1e\u0e38\u0e15\u0e40\u0e1e\u0e25\u0e32<\/td>\n<td style=\"padding:9px 12px;\">\u0e43\u0e0a\u0e48 \u2014 \u0e40\u0e1e\u0e25\u0e32\u0e41\u0e1a\u0e1a\u0e41\u0e02\u0e47\u0e07\u0e17\u0e35\u0e48\u0e21\u0e35\u0e23\u0e48\u0e2d\u0e07\u0e2a\u0e33\u0e2b\u0e23\u0e31\u0e1a\u0e43\u0e2a\u0e48\u0e25\u0e34\u0e48\u0e21<\/td>\n<td style=\"padding:9px 12px;\">\u0e43\u0e0a\u0e48 \u2014 \u0e40\u0e1e\u0e25\u0e32\u0e41\u0e1a\u0e1a\u0e41\u0e02\u0e47\u0e07\u0e17\u0e35\u0e48\u0e21\u0e35\u0e23\u0e48\u0e2d\u0e07\u0e2a\u0e33\u0e2b\u0e23\u0e31\u0e1a\u0e43\u0e2a\u0e48\u0e25\u0e34\u0e48\u0e21<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<div style=\"overflow-x:auto;\">\n<p style=\"font-weight:bold;color:#1B3F6E;margin:16px 0 4px;\">NRV-E050 Main Output Shaft Dimensions<\/p>\n<table style=\"width:100%;border-collapse:collapse;font-size:clamp(13px,1.8vw,16px);font-family:Arial,sans-serif;\">\n<thead>\n<tr style=\"background:#1B3F6E;color:#fff;\">\n<th style=\"padding:10px 12px;text-align:left;\">G1 (\u0e21\u0e21.)<\/th>\n<th style=\"padding:10px 12px;text-align:left;\">K1 (\u0e21\u0e21.)<\/th>\n<th style=\"padding:10px 12px;text-align:left;\">L\/DZ (\u0e21\u0e21.)<\/th>\n<th style=\"padding:10px 12px;text-align:left;\">L1\/SZ (\u0e21\u0e21.)<\/th>\n<th style=\"padding:10px 12px;text-align:left;\">b2 (\u0e21\u0e21.)<\/th>\n<th style=\"padding:10px 12px;text-align:left;\">d h6 (\u0e21\u0e21.)<\/th>\n<th style=\"padding:10px 12px;text-align:left;\">\u0e23\u0e48\u0e2d\u0e07\u0e01\u0e38\u0e0d\u0e41\u0e08<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr style=\"background:#F5F6F7;\">\n<td style=\"padding:9px 12px;\">92<\/td>\n<td style=\"padding:9px 12px;\">99<\/td>\n<td style=\"padding:9px 12px;\">153<\/td>\n<td style=\"padding:9px 12px;\">199<\/td>\n<td style=\"padding:9px 12px;\">8<\/td>\n<td style=\"padding:9px 12px;\">25<\/td>\n<td style=\"padding:9px 12px;\">\u0e40\u0e2d\u0e47\u0e2110<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<p><img decoding=\"async\" src=\"https:\/\/nmrv063gearbox.com\/wp-content\/uploads\/2026\/06\/nmrv-worm-reducer-output-shaft.webp\" alt=\"NRV-E050 output shaft dimensions DZ SZ\" style=\"max-width:100%;height:auto;display:block;margin:20px auto;border-radius:6px;\" \/><\/p>\n<h2 style=\"color:#1B3F6E;font-family:Arial,sans-serif;font-size:clamp(18px,2.5vw,24px);border-left:4px solid #E8A020;padding-left:12px;margin-top:32px;\">\u2753 \u0e04\u0e33\u0e16\u0e32\u0e21\u0e17\u0e35\u0e48\u0e1e\u0e1a\u0e1a\u0e48\u0e2d\u0e22<\/h2>\n<details style=\"border:1px solid #D8DCE3;border-radius:6px;margin-bottom:10px;padding:3%;\">\n<summary style=\"font-weight:bold;color:#1B3F6E;font-size:clamp(14px,2vw,17px);cursor:pointer;\">What is the tail output shaft on the EP-NRV-E050 and how is it different from the main output?<\/summary>\n<p style=\"color:#3A3A3A;font-size:clamp(13px,1.8vw,16px);line-height:1.7;margin-top:10px;\">The tail shaft on the NRV-E050 exits the housing in the worm-direction axis (opposite end of the worm shaft), while the main output bore is perpendicular (90 degrees) to the worm axis. The tail shaft is driven off the worm shaft end and is used for encoder mounting, tachometer connection, or light auxiliary drive, while the main output delivers the full 4,280 N&middot;m load torque.<\/p>\n<\/details>\n<details style=\"border:1px solid #D8DCE3;border-radius:6px;margin-bottom:10px;padding:3%;\">\n<summary style=\"font-weight:bold;color:#1B3F6E;font-size:clamp(14px,2vw,17px);cursor:pointer;\">Does the tail shaft reduce the main output torque of the NRV-E050?<\/summary>\n<p style=\"color:#3A3A3A;font-size:clamp(13px,1.8vw,16px);line-height:1.7;margin-top:10px;\">No. The tail shaft draws only the small torque needed for its connected device. The main output retains the full 4,280 N&middot;m rating, identical to the standard NRV050.<\/p>\n<\/details>\n<details style=\"border:1px solid #D8DCE3;border-radius:6px;margin-bottom:10px;padding:3%;\">\n<summary style=\"font-weight:bold;color:#1B3F6E;font-size:clamp(14px,2vw,17px);cursor:pointer;\">What is the input shaft specification for the NRV-E050?<\/summary>\n<p style=\"color:#3A3A3A;font-size:clamp(13px,1.8vw,16px);line-height:1.7;margin-top:10px;\">The NRV-E050 has a solid keyed input shaft (no IEC flange). The shaft diameter matches the equivalent NMRV050 bore input diameter. It accepts chain sprockets, belt pulleys, and rigid couplings. A bilateral (double-ended) input shaft is standard; single-end configuration available on request.<\/p>\n<\/details>\n<details style=\"border:1px solid #D8DCE3;border-radius:6px;margin-bottom:10px;padding:3%;\">\n<summary style=\"font-weight:bold;color:#1B3F6E;font-size:clamp(14px,2vw,17px);cursor:pointer;\">What encoder types can be mounted on the NRV-E050 tail shaft?<\/summary>\n<p style=\"color:#3A3A3A;font-size:clamp(13px,1.8vw,16px);line-height:1.7;margin-top:10px;\">Any standard keyed rotary encoder with the matching bore diameter can be mounted on the NRV-E050 tail shaft: incremental (5V&ndash;24V, 100&ndash;10,000 PPR), SSI absolute, or resolver-type. Confirm the encoder bore size and keyway before ordering. The tail shaft key dimensions match the catalogue DZ shaft specification for NMRV-E050.<\/p>\n<\/details>\n<details style=\"border:1px solid #D8DCE3;border-radius:6px;margin-bottom:10px;padding:3%;\">\n<summary style=\"font-weight:bold;color:#1B3F6E;font-size:clamp(14px,2vw,17px);cursor:pointer;\">Can the NRV-E050 be used for closed-loop speed control in a chain-driven system?<\/summary>\n<p style=\"color:#3A3A3A;font-size:clamp(13px,1.8vw,16px);line-height:1.7;margin-top:10px;\">Yes. The NRV-E050 is the ideal solution for chain-driven systems requiring closed-loop speed feedback. The chain drives the solid input shaft; the main output drives the load; and the tail shaft mounts an encoder that feeds speed\/position data back to the controller. This eliminates the need for a separate encoder mounting bracket or a second independent encoder drive arrangement.<\/p>\n<\/details>\n<p><script type=\"application\/ld+json\">{\n    \"@context\": \"https:\\\/\\\/schema.org\",\n    \"@type\": \"FAQPage\",\n    \"mainEntity\": [\n        {\n            \"@type\": \"Question\",\n            \"name\": \"What is the tail output shaft on the EP-NRV-E050 and how is it different from the main output?\",\n            \"acceptedAnswer\": {\n                \"@type\": \"Answer\",\n                \"text\": \"The tail shaft on the NRV-E050 exits the housing in the worm-direction axis (opposite end of the worm shaft), while the \"\n            }\n        },\n        {\n            \"@type\": \"Question\",\n            \"name\": \"Does the tail shaft reduce the main output torque of the NRV-E050?\",\n            \"acceptedAnswer\": {\n                \"@type\": \"Answer\",\n                \"text\": \"No. The tail shaft draws only the small torque needed for its connected device. 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The shaft diameter matches the equivalent NMRV050 bore input\"\n            }\n        },\n        {\n            \"@type\": \"Question\",\n            \"name\": \"What encoder types can be mounted on the NRV-E050 tail shaft?\",\n            \"acceptedAnswer\": {\n                \"@type\": \"Answer\",\n                \"text\": \"Any standard keyed rotary encoder with the matching bore diameter can be mounted on the NRV-E050 tail shaft: incremental\"\n            }\n        },\n        {\n            \"@type\": \"Question\",\n            \"name\": \"Can the NRV-E050 be used for closed-loop speed control in a chain-driven system?\",\n            \"acceptedAnswer\": {\n                \"@type\": \"Answer\",\n                \"text\": \"Yes. The NRV-E050 is the ideal solution for chain-driven systems requiring closed-loop speed feedback. The chain drives \"\n            }\n        }\n    ]\n}<\/script><\/p>\n<h2 style=\"color:#1B3F6E;font-family:Arial,sans-serif;font-size:clamp(18px,2.5vw,24px);border-left:4px solid #E8A020;padding-left:12px;margin-top:32px;\">\u2b50 \u0e23\u0e35\u0e27\u0e34\u0e27\u0e08\u0e32\u0e01\u0e25\u0e39\u0e01\u0e04\u0e49\u0e32<\/h2>\n<div style=\"display:flex;flex-wrap:wrap;gap:16px;margin-top:16px;\">\n<div style=\"width:100%;max-width:400px;box-sizing:border-box;background:#fff;border:1px solid #D8DCE3;border-radius:8px;padding:3%;\">\n<p style=\"font-size:clamp(15px,2vw,18px);color:#E8A020;margin:0;\">&#9733;&#9733;&#9733;&#9733;&#9733;<\/p>\n<p style=\"font-style:italic;color:#3A3A3A;font-size:clamp(13px,1.8vw,15px);line-height:1.7;\">&ldquo;Our grain-dryer fan conveyor uses NRV-E050 chain-driven from the dryer main shaft. The tail-shaft encoder confirms rotation to our dryer management PLC and automatically shuts down the burner if the conveyor stops. A safety-critical feature that works perfectly.&rdquo;<\/p>\n<p style=\"color:#888;font-size:clamp(12px,1.6vw,14px);\"><strong>Peter N.<\/strong> &mdash; Farm Operations Manager &#127462;&#127482; Australia (QLD)<\/p>\n<\/div>\n<div style=\"width:100%;max-width:400px;box-sizing:border-box;background:#fff;border:1px solid #D8DCE3;border-radius:8px;padding:3%;\">\n<p style=\"font-size:clamp(15px,2vw,18px);color:#E8A020;margin:0;\">&#9733;&#9733;&#9733;&#9733;&#9733;<\/p>\n<p style=\"font-style:italic;color:#3A3A3A;font-size:clamp(13px,1.8vw,15px);line-height:1.7;\">&ldquo;We chain-drive NRV-E050 units on our food-plant batch conveyors. The tail-shaft tachometer signal integrates with our HACCP batch tracking system, recording conveyor speed for every production run. Exactly the audit trail we needed.&rdquo;<\/p>\n<p style=\"color:#888;font-size:clamp(12px,1.6vw,14px);\"><strong>Thomas W.<\/strong> &mdash; Plant Engineer, Food Manufacturer &#127468;&#127463; UK<\/p>\n<\/div>\n<div style=\"width:100%;max-width:400px;box-sizing:border-box;background:#fff;border:1px solid #D8DCE3;border-radius:8px;padding:3%;\">\n<p style=\"font-size:clamp(15px,2vw,18px);color:#E8A020;margin:0;\">&#9733;&#9733;&#9733;&#9733;&#9734;<\/p>\n<p style=\"font-style:italic;color:#3A3A3A;font-size:clamp(13px,1.8vw,15px);line-height:1.7;\">&ldquo;The NRV-E050 drives our irrigation pump chain drive and the tail shaft monitors pump rotation for our SCADA. We now get automatic alerts if the pump stops during an irrigation cycle. The combined chain-input encoder-output design simplified our installation considerably.&rdquo;<\/p>\n<p style=\"color:#888;font-size:clamp(12px,1.6vw,14px);\"><strong>Helen M.<\/strong> &mdash; Farm Manager, Horticulture &#127462;&#127482; Australia (WA)<\/p>\n<\/div>\n<\/div>\n<p><script type=\"application\/ld+json\">{\n    \"@context\": \"https:\\\/\\\/schema.org\",\n    \"@type\": \"Product\",\n    \"name\": \"EP-NRV-E050 Aluminium Worm Gearbox\",\n    \"aggregateRating\": {\n        \"@type\": \"AggregateRating\",\n        \"ratingValue\": \"4.9\",\n        \"reviewCount\": \"3\"\n    },\n    \"review\": [\n        {\n            \"@type\": \"Review\",\n            \"author\": {\n                \"@type\": \"Person\",\n                \"name\": \"Peter N.\"\n            },\n            \"reviewRating\": {\n                \"@type\": \"Rating\",\n                \"ratingValue\": \"5\"\n            },\n            \"reviewBody\": \"Our grain-dryer fan conveyor uses NRV-E050 chain-driven from the dryer main shaf\"\n        },\n        {\n            \"@type\": \"Review\",\n            \"author\": {\n                \"@type\": \"Person\",\n                \"name\": \"Thomas W.\"\n            },\n            \"reviewRating\": {\n                \"@type\": \"Rating\",\n                \"ratingValue\": \"5\"\n            },\n            \"reviewBody\": \"We chain-drive NRV-E050 units on our food-plant batch conveyors. The tail-shaft \"\n        },\n        {\n            \"@type\": \"Review\",\n            \"author\": {\n                \"@type\": \"Person\",\n                \"name\": \"Helen M.\"\n            },\n            \"reviewRating\": {\n                \"@type\": \"Rating\",\n                \"ratingValue\": \"4.5\"\n            },\n            \"reviewBody\": \"The NRV-E050 drives our irrigation pump chain drive and the tail shaft monitors \"\n        }\n    ]\n}<\/script><\/p>\n<h2 style=\"color:#1B3F6E;font-family:Arial,sans-serif;font-size:clamp(18px,2.5vw,24px);border-left:4px solid #E8A020;padding-left:12px;margin-top:32px;\">\u2699 \u0e2d\u0e38\u0e1b\u0e01\u0e23\u0e13\u0e4c\u0e40\u0e2a\u0e23\u0e34\u0e21\u0e41\u0e25\u0e30\u0e1c\u0e25\u0e34\u0e15\u0e20\u0e31\u0e13\u0e11\u0e4c\u0e17\u0e35\u0e48\u0e43\u0e0a\u0e49\u0e07\u0e32\u0e19\u0e23\u0e48\u0e27\u0e21\u0e01\u0e31\u0e19\u0e44\u0e14\u0e49<\/h2>\n<div style=\"display:flex;flex-wrap:wrap;gap:14px;margin-top:16px;\">\n<div style=\"width:100%;max-width:380px;box-sizing:border-box;background:#F5F6F7;border-radius:8px;padding:3%;\">\n<h3 style=\"color:#1B3F6E;font-size:clamp(14px,2vw,17px);margin:0 0 8px;\">\u26a1 \u0e21\u0e2d\u0e40\u0e15\u0e2d\u0e23\u0e4c IEC (B5\/B14)<\/h3>\n<p style=\"color:#3A3A3A;font-size:clamp(13px,1.8vw,15px);line-height:1.6;\">\u0e21\u0e2d\u0e40\u0e15\u0e2d\u0e23\u0e4c AC \u0e21\u0e32\u0e15\u0e23\u0e10\u0e32\u0e19\u0e17\u0e35\u0e48\u0e21\u0e35\u0e2b\u0e19\u0e49\u0e32\u0e41\u0e1b\u0e25\u0e19 IEC \u0e17\u0e35\u0e48\u0e40\u0e02\u0e49\u0e32\u0e01\u0e31\u0e19\u0e44\u0e14\u0e49 \u0e21\u0e35\u0e23\u0e38\u0e48\u0e19\u0e2a\u0e33\u0e2b\u0e23\u0e31\u0e1a\u0e43\u0e0a\u0e49\u0e07\u0e32\u0e19\u0e23\u0e48\u0e27\u0e21\u0e01\u0e31\u0e1a\u0e2d\u0e34\u0e19\u0e40\u0e27\u0e2d\u0e23\u0e4c\u0e40\u0e15\u0e2d\u0e23\u0e4c VFD \u0e40\u0e1e\u0e37\u0e48\u0e2d\u0e01\u0e32\u0e23\u0e04\u0e27\u0e1a\u0e04\u0e38\u0e21\u0e04\u0e27\u0e32\u0e21\u0e40\u0e23\u0e47\u0e27\u0e41\u0e1a\u0e1a\u0e41\u0e1b\u0e23\u0e1c\u0e31\u0e19<\/p>\n<\/div>\n<div style=\"width:100%;max-width:380px;box-sizing:border-box;background:#F5F6F7;border-radius:8px;padding:3%;\">\n<h3 style=\"color:#1B3F6E;font-size:clamp(14px,2vw,17px);margin:0 0 8px;\">\ud83d\udd17 \u0e0a\u0e38\u0e14\u0e40\u0e1e\u0e25\u0e32\u0e2a\u0e48\u0e07\u0e01\u0e33\u0e25\u0e31\u0e07<\/h3>\n<p style=\"color:#3A3A3A;font-size:clamp(13px,1.8vw,15px);line-height:1.6;\">\u0e2b\u0e19\u0e49\u0e32\u0e41\u0e1b\u0e25\u0e19\u0e40\u0e14\u0e35\u0e48\u0e22\u0e27\u0e15\u0e31\u0e19 (DZ), \u0e2b\u0e19\u0e49\u0e32\u0e41\u0e1b\u0e25\u0e19\u0e04\u0e39\u0e48 (SZ), \u0e2b\u0e19\u0e49\u0e32\u0e41\u0e1b\u0e25\u0e19\u0e02\u0e32\u0e2d\u0e2d\u0e01 (F), \u0e2b\u0e19\u0e49\u0e32\u0e41\u0e1b\u0e25\u0e19\u0e01\u0e25\u0e27\u0e07 (FL) \u2014 \u0e17\u0e31\u0e49\u0e07\u0e2b\u0e21\u0e14\u0e21\u0e35\u0e04\u0e48\u0e32\u0e04\u0e27\u0e32\u0e21\u0e04\u0e25\u0e32\u0e14\u0e40\u0e04\u0e25\u0e37\u0e48\u0e2d\u0e19 H7\/h6 \u0e1e\u0e23\u0e49\u0e2d\u0e21\u0e23\u0e48\u0e2d\u0e07\u0e25\u0e34\u0e48\u0e21\u0e21\u0e32\u0e15\u0e23\u0e10\u0e32\u0e19<\/p>\n<\/div>\n<div style=\"width:100%;max-width:380px;box-sizing:border-box;background:#F5F6F7;border-radius:8px;padding:3%;\">\n<h3 style=\"color:#1B3F6E;font-size:clamp(14px,2vw,17px);margin:0 0 8px;\">\ud83d\udd28 \u0e41\u0e02\u0e19\u0e23\u0e31\u0e1a\u0e41\u0e23\u0e07\u0e1a\u0e34\u0e14\u0e41\u0e25\u0e30\u0e02\u0e32\u0e22\u0e36\u0e14<\/h3>\n<p style=\"color:#3A3A3A;font-size:clamp(13px,1.8vw,15px);line-height:1.6;\">\u0e41\u0e02\u0e19\u0e23\u0e31\u0e1a\u0e41\u0e23\u0e07\u0e1a\u0e34\u0e14\u0e40\u0e2b\u0e25\u0e47\u0e01\u0e2a\u0e33\u0e2b\u0e23\u0e31\u0e1a\u0e15\u0e34\u0e14\u0e15\u0e31\u0e49\u0e07\u0e1a\u0e19\u0e40\u0e1e\u0e25\u0e32; \u0e41\u0e1c\u0e48\u0e19\u0e22\u0e36\u0e14\u0e10\u0e32\u0e19\u0e2a\u0e33\u0e2b\u0e23\u0e31\u0e1a\u0e15\u0e34\u0e14\u0e15\u0e31\u0e49\u0e07\u0e43\u0e19\u0e41\u0e19\u0e27 B3\/B6<\/p>\n<\/div>\n<div style=\"width:100%;max-width:380px;box-sizing:border-box;background:#F5F6F7;border-radius:8px;padding:3%;\">\n<h3 style=\"color:#1B3F6E;font-size:clamp(14px,2vw,17px);margin:0 0 8px;\">\ud83d\udd12 \u0e0a\u0e38\u0e14\u0e0b\u0e35\u0e25\u0e41\u0e25\u0e30\u0e0a\u0e48\u0e2d\u0e07\u0e23\u0e30\u0e1a\u0e32\u0e22\u0e2d\u0e32\u0e01\u0e32\u0e28<\/h3>\n<p style=\"color:#3A3A3A;font-size:clamp(13px,1.8vw,15px);line-height:1.6;\">\u0e0a\u0e38\u0e14\u0e0b\u0e35\u0e25\u0e01\u0e31\u0e19\u0e23\u0e31\u0e48\u0e27\u0e41\u0e1a\u0e1a\u0e40\u0e1b\u0e25\u0e35\u0e48\u0e22\u0e19\u0e44\u0e14\u0e49 \u0e1b\u0e25\u0e31\u0e4a\u0e01\u0e23\u0e30\u0e1a\u0e32\u0e22\u0e2d\u0e32\u0e01\u0e32\u0e28 \u0e41\u0e25\u0e30\u0e1b\u0e25\u0e31\u0e4a\u0e01\u0e16\u0e48\u0e32\u0e22\u0e19\u0e49\u0e33\u0e21\u0e31\u0e19\u0e41\u0e21\u0e48\u0e40\u0e2b\u0e25\u0e47\u0e01 \u0e2a\u0e33\u0e2b\u0e23\u0e31\u0e1a\u0e22\u0e37\u0e14\u0e23\u0e30\u0e22\u0e30\u0e40\u0e27\u0e25\u0e32\u0e01\u0e32\u0e23\u0e1a\u0e33\u0e23\u0e38\u0e07\u0e23\u0e31\u0e01\u0e29\u0e32<\/p>\n<\/div>\n<\/div>\n<p><img decoding=\"async\" src=\"https:\/\/nmrv063gearbox.com\/wp-content\/uploads\/2026\/06\/nmrv-worm-gearbox-factory.webp\" alt=\"\u0e42\u0e23\u0e07\u0e07\u0e32\u0e19\u0e1c\u0e25\u0e34\u0e15\u0e40\u0e01\u0e35\u0e22\u0e23\u0e4c\u0e2b\u0e19\u0e2d\u0e19\u0e40\u0e2d\u0e40\u0e27\u0e2d\u0e23\u0e4c\u0e1e\u0e32\u0e27\u0e40\u0e27\u0e2d\u0e23\u0e4c\" style=\"max-width:100%;height:auto;display:block;margin:24px auto;border-radius:6px;\" \/><\/p>\n<div style=\"background:linear-gradient(135deg,#1B3F6E 0%,#2D5F9A 100%);border-radius:10px;padding:4%;margin-top:32px;text-align:center;\">\n<h2 style=\"color:#fff;font-family:Arial,sans-serif;font-size:clamp(18px,2.5vw,26px);margin-top:0;\">Enquire About EP-NRV-E050<\/h2>\n<p style=\"color:#D8DCE3;font-size:clamp(14px,2vw,17px);line-height:1.7;\">Our team will confirm the input shaft specification, ratio, and safety encoder arrangement for your chain-driven agricultural or industrial application.<\/p>\n<p><a href=\"\/th\/contact-us\/\" style=\"display:inline-block;background:#E8A020;color:#fff;font-weight:bold;font-size:clamp(14px,2vw,17px);padding:14px 32px;border-radius:6px;text-decoration:none;margin:10px 6px;\">\ud83d\udce7 \u0e02\u0e2d\u0e43\u0e1a\u0e40\u0e2a\u0e19\u0e2d\u0e23\u0e32\u0e04\u0e32<\/a><a href=\"\/th\/about-us\/\" style=\"display:inline-block;background:transparent;border:2px solid #fff;color:#fff;font-weight:bold;font-size:clamp(14px,2vw,17px);padding:12px 28px;border-radius:6px;text-decoration:none;margin:10px 6px;\">\ud83c\udfed \u0e40\u0e01\u0e35\u0e48\u0e22\u0e27\u0e01\u0e31\u0e1a Ever Power<\/a><\/p>\n<p style=\"color:#D8DCE3;font-size:clamp(13px,1.8vw,15px);margin-bottom:0;\">&#128231; <a href=\"mailto:sales@nmrv063gearbox.com\" style=\"color:#E8A020;\">sales@nmrv063gearbox.com<\/a><\/p>\n<\/div>\n<p style=\"font-size:clamp(14px,2vw + 10px,18px);color:#3A3A3A;line-height:1.8;word-break:break-word;\">\u0e40\u0e14\u0e2d\u0e30 <strong>EP-NRV-E050<\/strong> aluminium worm gearbox combines a solid shaft input (no IEC flange) with an additional worm-direction tail output shaft. Centre distance 050 mm, ratios 5 to 100, input power up to 1.1 kW, max output torque 4,280 N&middot;m. The tail shaft enables simultaneous encoder feedback, safety interlock monitoring, or auxiliary drive &mdash; the ideal instrumented shaft-input worm gearbox for chain-driven closed-loop agricultural, industrial, and mining drive systems.<\/p>","protected":false},"excerpt":{"rendered":"<p style=\"font-size:clamp(14px,2vw + 10px,18px);color:#3A3A3A;line-height:1.8;word-break:break-word;\">\u0e40\u0e14\u0e2d\u0e30 <strong>EP-NRV-E050<\/strong> aluminium worm gearbox combines a solid shaft input (no IEC flange) with an additional worm-direction tail output shaft. Centre distance 050 mm, ratios 5 to 100, input power up to 1.1 kW, max output torque 4,280 N&middot;m. The tail shaft enables simultaneous encoder feedback, safety interlock monitoring, or auxiliary drive &mdash; the ideal instrumented shaft-input worm gearbox for chain-driven closed-loop agricultural, industrial, and mining drive systems.<\/p>","protected":false},"featured_media":831,"comment_status":"closed","ping_status":"open","template":"","meta":{"_et_pb_use_builder":"","_et_pb_old_content":"","_et_gb_content_width":""},"product_brand":[],"product_cat":[2453],"product_tag":[2456,2451,2433,2454,2455,2401],"class_list":{"0":"post-906","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-nrv-e-worm-gearbox","7":"product_tag-chain-drive-encoder-worm-gearbox","8":"product_tag-instrumented-worm-gear-reducer","9":"product_tag-nrv-worm-gear-reducer","10":"product_tag-nrv-e-worm-gearbox","11":"product_tag-shaft-input-worm-gearbox-with-tail-shaft","12":"product_tag-worm-gearbox","14":"first","15":"instock","16":"product-type-simple"},"_links":{"self":[{"href":"https:\/\/nmrv063gearbox.com\/th\/wp-json\/wp\/v2\/product\/906","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/nmrv063gearbox.com\/th\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/nmrv063gearbox.com\/th\/wp-json\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/nmrv063gearbox.com\/th\/wp-json\/wp\/v2\/comments?post=906"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/nmrv063gearbox.com\/th\/wp-json\/wp\/v2\/media\/831"}],"wp:attachment":[{"href":"https:\/\/nmrv063gearbox.com\/th\/wp-json\/wp\/v2\/media?parent=906"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/nmrv063gearbox.com\/th\/wp-json\/wp\/v2\/product_brand?post=906"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/nmrv063gearbox.com\/th\/wp-json\/wp\/v2\/product_cat?post=906"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/nmrv063gearbox.com\/th\/wp-json\/wp\/v2\/product_tag?post=906"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}