{"id":899,"date":"2026-06-25T09:01:21","date_gmt":"2026-06-25T09:01:21","guid":{"rendered":"https:\/\/nmrv063gearbox.com\/product\/ep-nmrv-e075-aluminium-worm-gearbox\/"},"modified":"2026-06-25T09:01:22","modified_gmt":"2026-06-25T09:01:22","slug":"ep-nmrv-e075-aluminium-worm-gearbox","status":"publish","type":"product","link":"https:\/\/nmrv063gearbox.com\/nl\/product\/ep-nmrv-e075-aluminium-worm-gearbox\/","title":{"rendered":"EP-NMRV-E075 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-NMRV-E075 &mdash; IEC Flange 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\/nmrv-e-aluminum-worm-reducer.webp\" alt=\"EP-NMRV-E075 aluminium worm gearbox with IEC flange and 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-NMRV-E075<\/h2>\n<p><img decoding=\"async\" src=\"https:\/\/nmrv063gearbox.com\/wp-content\/uploads\/2026\/06\/nmrv-e-aluminum-worm-reducer-specification.webp\" alt=\"NMRV-E075 worm gearbox dimension drawing 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;\">Parameter<\/th>\n<th style=\"padding:10px 12px;text-align:left;\">Value<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr style=\"background:#F5F6F7;\">\n<td style=\"padding:9px 12px;border-bottom:1px solid #D8DCE3;\">Series<\/td>\n<td style=\"padding:9px 12px;border-bottom:1px solid #D8DCE3;\">NMRV-E (Bore Input with IEC Flange, Worm-Direction Tail Output Shaft)<\/td>\n<\/tr>\n<tr style=\"\">\n<td style=\"padding:9px 12px;border-bottom:1px solid #D8DCE3;\">Centre Distance<\/td>\n<td style=\"padding:9px 12px;border-bottom:1px solid #D8DCE3;\">075 mm<\/td>\n<\/tr>\n<tr style=\"background:#F5F6F7;\">\n<td style=\"padding:9px 12px;border-bottom:1px solid #D8DCE3;\">Reduction Ratios<\/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;\">Rated Input Power<\/td>\n<td style=\"padding:9px 12px;border-bottom:1px solid #D8DCE3;\">Up to 4.0 kW<\/td>\n<\/tr>\n<tr style=\"background:#F5F6F7;\">\n<td style=\"padding:9px 12px;border-bottom:1px solid #D8DCE3;\">Output Speed Range<\/td>\n<td style=\"padding:9px 12px;border-bottom:1px solid #D8DCE3;\">14 to 280 r\/min (at 1400 r\/min input)<\/td>\n<\/tr>\n<tr style=\"\">\n<td style=\"padding:9px 12px;border-bottom:1px solid #D8DCE3;\">Max Output Torque<\/td>\n<td style=\"padding:9px 12px;border-bottom:1px solid #D8DCE3;\">6,603 N&middot;m<\/td>\n<\/tr>\n<tr style=\"background:#F5F6F7;\">\n<td style=\"padding:9px 12px;border-bottom:1px solid #D8DCE3;\">Input Configuration<\/td>\n<td style=\"padding:9px 12px;border-bottom:1px solid #D8DCE3;\">Bore input with IEC input flange + worm-direction tail output shaft<\/td>\n<\/tr>\n<tr style=\"\">\n<td style=\"padding:9px 12px;border-bottom:1px solid #D8DCE3;\">IEC Input Flanges<\/td>\n<td style=\"padding:9px 12px;border-bottom:1px solid #D8DCE3;\">IEC flanges: 71B5, 80B5, 80B14, 90B5, 90B14, 100\/112B14<\/td>\n<\/tr>\n<tr style=\"background:#F5F6F7;\">\n<td style=\"padding:9px 12px;border-bottom:1px solid #D8DCE3;\">Tail Output Shaft<\/td>\n<td style=\"padding:9px 12px;border-bottom:1px solid #D8DCE3;\">Worm-direction (co-axial with worm shaft, opposite end)<\/td>\n<\/tr>\n<tr style=\"\">\n<td style=\"padding:9px 12px;border-bottom:1px solid #D8DCE3;\">Housing Material<\/td>\n<td style=\"padding:9px 12px;border-bottom:1px solid #D8DCE3;\">Die-cast aluminium alloy<\/td>\n<\/tr>\n<tr style=\"background:#F5F6F7;\">\n<td style=\"padding:9px 12px;border-bottom:1px solid #D8DCE3;\">Worm Wheel Material<\/td>\n<td style=\"padding:9px 12px;border-bottom:1px solid #D8DCE3;\">Phosphor bronze<\/td>\n<\/tr>\n<tr style=\"\">\n<td style=\"padding:9px 12px;border-bottom:1px solid #D8DCE3;\">Worm Shaft Material<\/td>\n<td style=\"padding:9px 12px;border-bottom:1px solid #D8DCE3;\">20CrMnTi alloy steel, case hardened, precision ground<\/td>\n<\/tr>\n<tr style=\"background:#F5F6F7;\">\n<td style=\"padding:9px 12px;border-bottom:1px solid #D8DCE3;\">Output Bore Diameter<\/td>\n<td style=\"padding:9px 12px;border-bottom:1px solid #D8DCE3;\">35 mm H7 with keyway<\/td>\n<\/tr>\n<tr style=\"\">\n<td style=\"padding:9px 12px;border-bottom:1px solid #D8DCE3;\">Lubrication<\/td>\n<td style=\"padding:9px 12px;border-bottom:1px solid #D8DCE3;\">ISO VG 220 gear oil (factory filled)<\/td>\n<\/tr>\n<tr style=\"background:#F5F6F7;\">\n<td style=\"padding:9px 12px;border-bottom:1px solid #D8DCE3;\">Mounting Positions<\/td>\n<td style=\"padding:9px 12px;border-bottom:1px solid #D8DCE3;\">B3, B6, B7, B8, V5, V6<\/td>\n<\/tr>\n<tr style=\"\">\n<td style=\"padding:9px 12px;border-bottom:1px solid #D8DCE3;\">Protection Class<\/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;\">Ambient Temperature<\/td>\n<td style=\"padding:9px 12px;\">-10&deg;C to +40&deg;C<\/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;\">NMRV-E075 Performance Table (4.0 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;\">Ratio (i)<\/th>\n<th style=\"padding:10px 12px;text-align:left;\">Output Speed (r\/min)<\/th>\n<th style=\"padding:10px 12px;text-align:left;\">Output Torque (N&middot;m)<\/th>\n<th style=\"padding:10px 12px;text-align:left;\">Service Factor (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;\">2,785<\/td>\n<td style=\"padding:9px 12px;border-bottom:1px solid #D8DCE3;\">1.9<\/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;\">3,065<\/td>\n<td style=\"padding:9px 12px;border-bottom:1px solid #D8DCE3;\">1.5<\/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;\">3,509<\/td>\n<td style=\"padding:9px 12px;border-bottom:1px solid #D8DCE3;\">1.1<\/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;\">3,882<\/td>\n<td style=\"padding:9px 12px;border-bottom:1px solid #D8DCE3;\">1.1<\/td>\n<\/tr>\n<tr style=\"background:#F5F6F7;\">\n<td style=\"padding:9px 12px;border-bottom:1px solid #D8DCE3;\">25<\/td>\n<td style=\"padding:9px 12px;border-bottom:1px solid #D8DCE3;\">56<\/td>\n<td style=\"padding:9px 12px;border-bottom:1px solid #D8DCE3;\">4,273<\/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;\">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;\">4,421<\/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;\">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;\">4,865<\/td>\n<td style=\"padding:9px 12px;border-bottom:1px solid #D8DCE3;\">1.5<\/td>\n<\/tr>\n<tr style=\"\">\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;\">5,241<\/td>\n<td style=\"padding:9px 12px;border-bottom:1px solid #D8DCE3;\">1.2<\/td>\n<\/tr>\n<tr style=\"background:#F5F6F7;\">\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;\">5,569<\/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;\">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;\">5,799<\/td>\n<td style=\"padding:9px 12px;border-bottom:1px solid #D8DCE3;\">1.9<\/td>\n<\/tr>\n<tr style=\"background:#F5F6F7;\">\n<td style=\"padding:9px 12px;\">100<\/td>\n<td style=\"padding:9px 12px;\">14<\/td>\n<td style=\"padding:9px 12px;\">6,603<\/td>\n<td style=\"padding:9px 12px;\">1.9<\/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-NMRV-E075 Aluminium Worm Gearbox\",\n    \"brand\": {\n        \"@type\": \"Brand\",\n        \"name\": \"EP\"\n    },\n    \"sku\": \"EP-NMRV-E075\",\n    \"description\": \"Bore-input IEC flange aluminium worm gearbox with worm-direction tail output shaft, 075mm centre distance, up to 4.0 kW, max torque 6,603 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;\">&#9989; Core Features &amp; Unique Benefits<\/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;\">&#128279; Worm-Direction Tail Output Shaft &mdash; The Key Differentiator<\/h3>\n<p style=\"color:#3A3A3A;font-size:clamp(13px,1.8vw,16px);line-height:1.7;\">The defining feature of the NMRV-E075 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;\">&#127774; 4 kW IEC Flange + High-Resolution Tail Shaft<\/h3>\n<p style=\"color:#3A3A3A;font-size:clamp(13px,1.8vw,16px);line-height:1.7;\">At 4.0 kW, the NMRV-E075 accepts the full IEC 100\/112 motor frame directly while simultaneously providing a tail shaft for high-resolution position feedback, covering the demanding requirements of servo-assisted heavy automation.<\/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 NMRV075<\/h3>\n<p style=\"color:#3A3A3A;font-size:clamp(13px,1.8vw,16px);line-height:1.7;\">The NMRV-E075 delivers identical maximum output torque (6,603 N&middot;m) to the standard NMRV075, 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;\">&#127302; Encoder &amp; Feedback Ready<\/h3>\n<p style=\"color:#3A3A3A;font-size:clamp(13px,1.8vw,16px);line-height:1.7;\">The tail output shaft provides a direct connection point for rotary encoders, tachogenerators, and pulse generators that monitor worm shaft speed in closed-loop motion control systems, eliminating external encoder brackets and coupling hardware.<\/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;\">&#128683; IP54 &mdash; Dual-Seal Integrity<\/h3>\n<p style=\"color:#3A3A3A;font-size:clamp(13px,1.8vw,16px);line-height:1.7;\">Both the main output bore and the tail shaft exit are sealed with dual-contact lip seals, maintaining IP54 protection across all mounting orientations without oil weeping at either shaft interface.<\/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=\"NMRV-E075 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;\">&#127981; Application Scenarios<\/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;\">&#127807; Heavy Agricultural Monitoring<\/h3>\n<p style=\"color:#3A3A3A;font-size:clamp(13px,1.8vw,15px);line-height:1.6;\">High-torque NMRV-E075 worm gearbox for heavy auger and elevator drives where the tail shaft mounts a rotation sensor confirming grain flow in real time and triggering an alarm if the auger jams.<\/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; Mixing Tank Level-Speed Control<\/h3>\n<p style=\"color:#3A3A3A;font-size:clamp(13px,1.8vw,15px);line-height:1.6;\">Worm gear reducer with tail output shaft for industrial mixing tanks where a tail-shaft encoder feeds back to a variable-frequency controller, maintaining constant tip-speed regardless of fluid viscosity.<\/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;\">&#127959; Construction Material Monitoring<\/h3>\n<p style=\"color:#3A3A3A;font-size:clamp(13px,1.8vw,15px);line-height:1.6;\">Aluminium worm gearbox with tail shaft for concrete mixer and aggregate conveyor drives where the tail-shaft tachometer provides real-time rotation monitoring to the plant SCADA system.<\/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; Servo-Assisted Automation<\/h3>\n<p style=\"color:#3A3A3A;font-size:clamp(13px,1.8vw,15px);line-height:1.6;\">NMRV-E075 worm gearbox tail shaft for servo-assisted positioning stages where the tail encoder provides position feedback in semi-closed loop control, reducing servo drive cost versus full servo gearbox solutions.<\/p>\n<\/div>\n<\/div>\n<p><img decoding=\"async\" src=\"https:\/\/nmrv063gearbox.com\/wp-content\/uploads\/2026\/06\/agricultural-application.webp\" alt=\"NMRV-E075 high-torque worm gearbox tail shaft rotation 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;\">&#128270; Selection Guide<\/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; Auger Jam Detection<\/p>\n<p style=\"color:#3A3A3A;font-size:clamp(13px,1.8vw,16px);line-height:1.7;\">Required: NMRV-E075 at i=40 driving a grain auger at 35 r\/min with SCADA rotation monitoring. Output torque from table = 4,865 N&middot;m. Motor: 3.0 kW, IEC 100\/112B14. Tail shaft: rotation sensor, 35 mm bore. &#9989; NMRV-E075-40-100\/112B14 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; NMRV-E075 vs Standard NMRV075<\/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;\">Feature<\/th>\n<th style=\"padding:10px 12px;text-align:left;\">EP-NMRV-E075 (with Tail Shaft)<\/th>\n<th style=\"padding:10px 12px;text-align:left;\">EP-NMRV075 (Standard)<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr style=\"background:#F5F6F7;\">\n<td style=\"padding:9px 12px;border-bottom:1px solid #D8DCE3;\">Tail Output Shaft<\/td>\n<td style=\"padding:9px 12px;border-bottom:1px solid #D8DCE3;\">&#9989; Yes &mdash; worm-direction<\/td>\n<td style=\"padding:9px 12px;border-bottom:1px solid #D8DCE3;\">No<\/td>\n<\/tr>\n<tr style=\"\">\n<td style=\"padding:9px 12px;border-bottom:1px solid #D8DCE3;\">Encoder \/ Feedback Mounting<\/td>\n<td style=\"padding:9px 12px;border-bottom:1px solid #D8DCE3;\">Direct on tail shaft<\/td>\n<td style=\"padding:9px 12px;border-bottom:1px solid #D8DCE3;\">Requires external bracket<\/td>\n<\/tr>\n<tr style=\"background:#F5F6F7;\">\n<td style=\"padding:9px 12px;border-bottom:1px solid #D8DCE3;\">Dual-Load Drive<\/td>\n<td style=\"padding:9px 12px;border-bottom:1px solid #D8DCE3;\">Yes &mdash; main + tail<\/td>\n<td style=\"padding:9px 12px;border-bottom:1px solid #D8DCE3;\">No &mdash; single output only<\/td>\n<\/tr>\n<tr style=\"\">\n<td style=\"padding:9px 12px;border-bottom:1px solid #D8DCE3;\">Main Output Torque<\/td>\n<td style=\"padding:9px 12px;border-bottom:1px solid #D8DCE3;\">6,603 N&middot;m<\/td>\n<td style=\"padding:9px 12px;border-bottom:1px solid #D8DCE3;\">6,603 N&middot;m<\/td>\n<\/tr>\n<tr style=\"background:#F5F6F7;\">\n<td style=\"padding:9px 12px;border-bottom:1px solid #D8DCE3;\">Housing Dimensions<\/td>\n<td style=\"padding:9px 12px;border-bottom:1px solid #D8DCE3;\">Slightly longer (tail shaft protrusion)<\/td>\n<td style=\"padding:9px 12px;border-bottom:1px solid #D8DCE3;\">Standard length<\/td>\n<\/tr>\n<tr style=\"\">\n<td style=\"padding:9px 12px;\">IEC Flange Input<\/td>\n<td style=\"padding:9px 12px;\">Yes &mdash; standard<\/td>\n<td style=\"padding:9px 12px;\">Yes &mdash; standard<\/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;\">NMRV-E075 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 (mm)<\/th>\n<th style=\"padding:10px 12px;text-align:left;\">K1 (mm)<\/th>\n<th style=\"padding:10px 12px;text-align:left;\">L\/DZ (mm)<\/th>\n<th style=\"padding:10px 12px;text-align:left;\">L1\/SZ (mm)<\/th>\n<th style=\"padding:10px 12px;text-align:left;\">b2 (mm)<\/th>\n<th style=\"padding:10px 12px;text-align:left;\">d h6 (mm)<\/th>\n<th style=\"padding:10px 12px;text-align:left;\">Keyway<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr style=\"background:#F5F6F7;\">\n<td style=\"padding:9px 12px;\">120<\/td>\n<td style=\"padding:9px 12px;\">123<\/td>\n<td style=\"padding:9px 12px;\">192<\/td>\n<td style=\"padding:9px 12px;\">247<\/td>\n<td style=\"padding:9px 12px;\">8<\/td>\n<td style=\"padding:9px 12px;\">28<\/td>\n<td style=\"padding:9px 12px;\">M10<\/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=\"NMRV-E075 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;\">&#10067; Frequently Asked Questions<\/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-NMRV-E075 and what is it used for?<\/summary>\n<p style=\"color:#3A3A3A;font-size:clamp(13px,1.8vw,16px);line-height:1.7;margin-top:10px;\">The tail output shaft on the NMRV-E075 is a secondary shaft extending in the worm-direction axis (co-axial with the worm shaft, opposite end). It is used to mount rotary encoders, tachogenerators, or pulse generators for speed\/position feedback, or to drive a small auxiliary load such as a lubrication pump, cooling fan, or pilot valve simultaneously with the main output drive.<\/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 affect the main output torque of the NMRV-E075?<\/summary>\n<p style=\"color:#3A3A3A;font-size:clamp(13px,1.8vw,16px);line-height:1.7;margin-top:10px;\">No. The tail shaft is driven directly off the worm shaft end and carries only the small torque required for the encoder or auxiliary device. The main output bore delivers the full rated 6,603 N&middot;m, identical to the standard NMRV075.<\/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 are compatible with the NMRV-E075 tail output shaft?<\/summary>\n<p style=\"color:#3A3A3A;font-size:clamp(13px,1.8vw,16px);line-height:1.7;margin-top:10px;\">The tail shaft is a standard keyed shaft accepting any incremental or absolute rotary encoder with the matching bore size. Common options include 5&ndash;24V incremental encoders (100&ndash;10,000 PPR), SSI absolute encoders, and resolver-type feedback devices. Confirm the encoder bore and key dimensions with the encoder supplier before ordering.<\/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;\">Which IEC motor flanges are available for the EP-NMRV-E075?<\/summary>\n<p style=\"color:#3A3A3A;font-size:clamp(13px,1.8vw,16px);line-height:1.7;margin-top:10px;\">The NMRV-E075 accepts the following IEC input flanges: 71B5, 80B5, 80B14, 90B5, 90B14, 100\/112B14. This covers the standard motor frame range for the 4.0 kW power class. Servo and stepper motor adaptor plates 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;\">Can the NMRV-E075 tail shaft be used to drive a secondary load simultaneously?<\/summary>\n<p style=\"color:#3A3A3A;font-size:clamp(13px,1.8vw,16px);line-height:1.7;margin-top:10px;\">Yes, provided the secondary load torque on the tail shaft does not exceed the worm shaft&#8217;s additional torque capacity. For light-duty secondary loads such as small lubrication pumps (below 0.05 kW) or pilot valves, the tail shaft can be used simultaneously without affecting main output performance. Consult our engineering team for secondary loads above 0.05 kW.<\/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-NMRV-E075 and what is it used for?\",\n            \"acceptedAnswer\": {\n                \"@type\": \"Answer\",\n                \"text\": \"The tail output shaft on the NMRV-E075 is a secondary shaft extending in the worm-direction axis (co-axial with the worm\"\n            }\n        },\n        {\n            \"@type\": \"Question\",\n            \"name\": \"Does the tail shaft affect the main output torque of the NMRV-E075?\",\n            \"acceptedAnswer\": {\n                \"@type\": \"Answer\",\n                \"text\": \"No. The tail shaft is driven directly off the worm shaft end and carries only the small torque required for the encoder \"\n            }\n        },\n        {\n            \"@type\": \"Question\",\n            \"name\": \"What encoder types are compatible with the NMRV-E075 tail output shaft?\",\n            \"acceptedAnswer\": {\n                \"@type\": \"Answer\",\n                \"text\": \"The tail shaft is a standard keyed shaft accepting any incremental or absolute rotary encoder with the matching bore siz\"\n            }\n        },\n        {\n            \"@type\": \"Question\",\n            \"name\": \"Which IEC motor flanges are available for the EP-NMRV-E075?\",\n            \"acceptedAnswer\": {\n                \"@type\": \"Answer\",\n                \"text\": \"The NMRV-E075 accepts the following IEC input flanges: 71B5, 80B5, 80B14, 90B5, 90B14, 100\\\/112B14. This covers the stand\"\n            }\n        },\n        {\n            \"@type\": \"Question\",\n            \"name\": \"Can the NMRV-E075 tail shaft be used to drive a secondary load simultaneously?\",\n            \"acceptedAnswer\": {\n                \"@type\": \"Answer\",\n                \"text\": \"Yes, provided the secondary load torque on the tail shaft does not exceed the worm shaft's additional torque capacity. F\"\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;\">&#11088; Customer Reviews<\/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;We installed NMRV-E075 on our heavy auger drive with a tail-shaft rotation sensor feeding our SCADA system. During harvest, we receive real-time confirmation that the auger is turning and immediate notification if it jams. Excellent peace of mind.&rdquo;<\/p>\n<p style=\"color:#888;font-size:clamp(12px,1.6vw,14px);\"><strong>Ian M.<\/strong> &mdash; Operations Manager, Grain Facility &#127462;&#127482; Australia (SA)<\/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;The NMRV-E075 with tail-shaft encoder drives our concrete mixer feed conveyor. The speed feedback to our batching computer maintains accurate aggregate dosing across different mix designs. Concrete quality consistency has improved markedly.&rdquo;<\/p>\n<p style=\"color:#888;font-size:clamp(12px,1.6vw,14px);\"><strong>Tony B.<\/strong> &mdash; Plant Manager, Ready-Mix Concrete &#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;&#9734;<\/p>\n<p style=\"font-style:italic;color:#3A3A3A;font-size:clamp(13px,1.8vw,15px);line-height:1.7;\">&ldquo;We use NMRV-E075 on our chemical mixing tank agitator. The tail shaft tachogenerator monitors worm shaft speed and feeds back to our DCS. We now detect agitator stall in high-viscosity batches before the motor trips, avoiding product losses.&rdquo;<\/p>\n<p style=\"color:#888;font-size:clamp(12px,1.6vw,14px);\"><strong>Sophie M.<\/strong> &mdash; Chemical Process Engineer &#127467;&#127479; France<\/p>\n<\/div>\n<\/div>\n<p><script type=\"application\/ld+json\">{\n    \"@context\": \"https:\\\/\\\/schema.org\",\n    \"@type\": \"Product\",\n    \"name\": \"EP-NMRV-E075 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\": \"Ian M.\"\n            },\n            \"reviewRating\": {\n                \"@type\": \"Rating\",\n                \"ratingValue\": \"5\"\n            },\n            \"reviewBody\": \"We installed NMRV-E075 on our heavy auger drive with a tail-shaft rotation senso\"\n        },\n        {\n            \"@type\": \"Review\",\n            \"author\": {\n                \"@type\": \"Person\",\n                \"name\": \"Tony B.\"\n            },\n            \"reviewRating\": {\n                \"@type\": \"Rating\",\n                \"ratingValue\": \"5\"\n            },\n            \"reviewBody\": \"The NMRV-E075 with tail-shaft encoder drives our concrete mixer feed conveyor. T\"\n        },\n        {\n            \"@type\": \"Review\",\n            \"author\": {\n                \"@type\": \"Person\",\n                \"name\": \"Sophie M.\"\n            },\n            \"reviewRating\": {\n                \"@type\": \"Rating\",\n                \"ratingValue\": \"4.5\"\n            },\n            \"reviewBody\": \"We use NMRV-E075 on our chemical mixing tank agitator. The tail shaft tachogener\"\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;\">&#9881; Accessories &amp; Compatible Products<\/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;\">&#9889; IEC Motors (B5\/B14)<\/h3>\n<p style=\"color:#3A3A3A;font-size:clamp(13px,1.8vw,15px);line-height:1.6;\">Standard AC motors with matching IEC flange. VFD inverter-duty versions available for variable-speed control.<\/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;\">&#128279; Output Shaft Kits<\/h3>\n<p style=\"color:#3A3A3A;font-size:clamp(13px,1.8vw,15px);line-height:1.6;\">Single solid (DZ), double-ended (SZ), output flange (F), hollow flange (FL) &mdash; all H7\/h6 tolerance with standard keyways.<\/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;\">&#128296; Torque Arms &amp; Brackets<\/h3>\n<p style=\"color:#3A3A3A;font-size:clamp(13px,1.8vw,15px);line-height:1.6;\">Steel torque reaction arms for shaft-mount configurations; foot-mounting plates for B3\/B6 orientations.<\/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;\">&#128274; Seal &amp; Breather Kits<\/h3>\n<p style=\"color:#3A3A3A;font-size:clamp(13px,1.8vw,15px);line-height:1.6;\">Replacement lip-seal kits, vented breather plugs, and magnetic drain plugs for extended service intervals.<\/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=\"Ever Power worm gearbox manufacturing facility\" 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;\">Specify the EP-NMRV-E075<\/h2>\n<p style=\"color:#D8DCE3;font-size:clamp(14px,2vw,17px);line-height:1.7;\">Our team will confirm the IEC flange, ratio, and encoder shaft specification for your high-torque closed-loop industrial or agricultural drive.<\/p>\n<p><a href=\"\/nl\/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;\">&#128231; Request a Quote<\/a><a href=\"\/nl\/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;\">&#127981; About 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;\">The <strong>EP-NMRV-E075<\/strong> aluminium worm gearbox combines the bore-input IEC flange convenience of the NMRV075 with an additional worm-direction tail output shaft. Centre distance 075 mm, ratios 5 to 100, input power up to 4.0 kW, max output torque 6,603 N&middot;m. The tail shaft enables simultaneous encoder feedback, tachometer monitoring, or auxiliary drive &mdash; the perfect instrumented worm gearbox for closed-loop automation, precision conveyor control, and SCADA-integrated industrial drives.<\/p>","protected":false},"excerpt":{"rendered":"<p style=\"font-size:clamp(14px,2vw + 10px,18px);color:#3A3A3A;line-height:1.8;word-break:break-word;\">The <strong>EP-NMRV-E075<\/strong> aluminium worm gearbox combines the bore-input IEC flange convenience of the NMRV075 with an additional worm-direction tail output shaft. Centre distance 075 mm, ratios 5 to 100, input power up to 4.0 kW, max output torque 6,603 N&middot;m. The tail shaft enables simultaneous encoder feedback, tachometer monitoring, or auxiliary drive &mdash; the perfect instrumented worm gearbox for closed-loop automation, precision conveyor control, and SCADA-integrated industrial drives.<\/p>","protected":false},"featured_media":830,"comment_status":"closed","ping_status":"open","template":"","meta":{"_et_pb_use_builder":"","_et_pb_old_content":"","_et_gb_content_width":""},"product_brand":[],"product_cat":[2448],"product_tag":[2450,2452,2451,2449,2403,2401],"class_list":{"0":"post-899","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-nmrv-e-worm-gearbox","7":"product_tag-aluminium-worm-gearbox-with-tail-shaft","8":"product_tag-encoder-worm-gearbox","9":"product_tag-instrumented-worm-gear-reducer","10":"product_tag-nmrv-e-worm-gearbox","11":"product_tag-worm-gear-speed-reducer","12":"product_tag-worm-gearbox","14":"first","15":"instock","16":"product-type-simple"},"_links":{"self":[{"href":"https:\/\/nmrv063gearbox.com\/nl\/wp-json\/wp\/v2\/product\/899","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/nmrv063gearbox.com\/nl\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/nmrv063gearbox.com\/nl\/wp-json\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/nmrv063gearbox.com\/nl\/wp-json\/wp\/v2\/comments?post=899"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/nmrv063gearbox.com\/nl\/wp-json\/wp\/v2\/media\/830"}],"wp:attachment":[{"href":"https:\/\/nmrv063gearbox.com\/nl\/wp-json\/wp\/v2\/media?parent=899"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/nmrv063gearbox.com\/nl\/wp-json\/wp\/v2\/product_brand?post=899"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/nmrv063gearbox.com\/nl\/wp-json\/wp\/v2\/product_cat?post=899"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/nmrv063gearbox.com\/nl\/wp-json\/wp\/v2\/product_tag?post=899"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}