{"id":882,"date":"2026-06-25T09:01:08","date_gmt":"2026-06-25T09:01:08","guid":{"rendered":"https:\/\/nmrv063gearbox.com\/product\/ep-nmrv090-aluminium-worm-gearbox\/"},"modified":"2026-06-25T09:01:08","modified_gmt":"2026-06-25T09:01:08","slug":"ep-nmrv090-aluminium-worm-gearbox","status":"publish","type":"product","link":"https:\/\/nmrv063gearbox.com\/kk\/product\/ep-nmrv090-aluminium-worm-gearbox\/","title":{"rendered":"EP-NMRV090 Aluminium Worm Gearbox"},"content":{"rendered":"

EP-NMRV090 — Heavy Industrial Aluminium Worm Gear Reducer<\/h2>\n

The EP-NMRV090<\/strong> represents a significant power and torque step in Ever Power’s NMRV aluminium worm gearbox range. With a 90 mm centre distance and maximum input power of 5.5 kW, it delivers up to 7,306 N·m output torque — 10.6% more than the NMRV075 — while retaining the same die-cast aluminium housing benefits of lightweight construction, excellent corrosion resistance, and passive heat dissipation via a deeply finned casing. The NMRV090 is the benchmark choice for industrial mixing applications involving high-viscosity fluids, heavy sludge thickeners in municipal water treatment, large-format conveyor drives in mining and quarrying operations, and high-torque automation stages where a 4.0–5.5 kW motor must reduce to very low output speeds. The extended IEC flange range (80B14 through 100\/112B14) and the enlarged 35 mm standard output bore ensure the NMRV090 integrates directly with standard motors without intermediate shafting — a critical time and cost saving for Australian plant and project engineers working on tight commissioning schedules.<\/p>\n

\"EP-NMRV090<\/p>\n

Technical Specifications — EP-NMRV090<\/h2>\n

\"NMRV090<\/p>\n

\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
Parameter<\/th>\nValue<\/th>\n<\/tr>\n<\/thead>\n
Series<\/td>\nNMRV (Bore Input with Input Flange)<\/td>\n<\/tr>\n
Centre Distance<\/td>\n90 mm<\/td>\n<\/tr>\n
Reduction Ratios<\/td>\n5, 7.5, 10, 15, 20, 25, 30, 40, 50, 60, 80, 100<\/td>\n<\/tr>\n
Rated Input Power<\/td>\nUp to 5.5 kW<\/td>\n<\/tr>\n
Output Speed Range<\/td>\n14 to 280 r\/min (at 1400 r\/min input)<\/td>\n<\/tr>\n
Max Output Torque<\/td>\n7,306 N·m<\/td>\n<\/tr>\n
Housing Material<\/td>\nDie-cast aluminium alloy<\/td>\n<\/tr>\n
Worm Wheel Material<\/td>\nPhosphor bronze<\/td>\n<\/tr>\n
Worm Shaft Material<\/td>\n20CrMnTi alloy steel, case hardened, precision ground<\/td>\n<\/tr>\n
IEC Input Flanges<\/td>\n80B14, 90B5, 90B14, 100\/112B14<\/td>\n<\/tr>\n
Output Bore Diameter<\/td>\n35 mm standard (H7 with keyway)<\/td>\n<\/tr>\n
Lubrication<\/td>\nISO VG 220 gear oil (factory filled)<\/td>\n<\/tr>\n
Mounting Positions<\/td>\nB3, B6, B7, B8, V5, V6<\/td>\n<\/tr>\n
Protection Class<\/td>\nIP54<\/td>\n<\/tr>\n
Ambient Temperature<\/td>\n-10°C to +40°C<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n
\n

NMRV090 Performance Table (5.5 kW \/ 1400 r\/min)<\/p>\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
Ratio (i)<\/th>\nOutput Speed (r\/min)<\/th>\nOutput Torque (N·m)<\/th>\nRadial Load (N)<\/th>\nService Factor (fs)<\/th>\n<\/tr>\n<\/thead>\n
7.5<\/td>\n187<\/td>\n2,785<\/td>\n\u2014<\/td>\n1.9<\/td>\n<\/tr>\n
10<\/td>\n140<\/td>\n3,065<\/td>\n\u2014<\/td>\n1.5<\/td>\n<\/tr>\n
15<\/td>\n93<\/td>\n3,882<\/td>\n\u2014<\/td>\n1.2<\/td>\n<\/tr>\n
20<\/td>\n70<\/td>\n4,273<\/td>\n\u2014<\/td>\n1.1<\/td>\n<\/tr>\n
25<\/td>\n56<\/td>\n4,603<\/td>\n304<\/td>\n1.1<\/td>\n<\/tr>\n
30<\/td>\n47<\/td>\n4,891<\/td>\n351<\/td>\n1.2<\/td>\n<\/tr>\n
40<\/td>\n35<\/td>\n5,383<\/td>\n\u2014<\/td>\n1.5<\/td>\n<\/tr>\n
50<\/td>\n28<\/td>\n5,799<\/td>\n\u2014<\/td>\n1.4<\/td>\n<\/tr>\n
60<\/td>\n23<\/td>\n6,163<\/td>\n\u2014<\/td>\n1.2<\/td>\n<\/tr>\n
80<\/td>\n18<\/td>\n6,783<\/td>\n\u2014<\/td>\n1.1<\/td>\n<\/tr>\n
100<\/td>\n14<\/td>\n7,306<\/td>\n302<\/td>\n0.9<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n