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EPNMRV 110 Worm Gearbox | 110mm Aluminium Heavy-Duty Reducer

EPNMRV 110 110mm Heavy Industrial Aluminium Worm Gearbox

110 mm centre distance | Ratios 5:1 to 100:1 | Die-cast aluminium housing | IP55 sealed

EPNMRV 110 aluminium worm gearbox 110mm centre distance

EPNMRV 110 Worm Reducer

The EPNMRV 110 is the workhorse of heavy industrial worm gear applications where cast-iron gearboxes have traditionally dominated. At 110 mm centre distance, it accepts input powers up to 4.0 kW and delivers output torques exceeding 11,000 Nm. Its aluminium construction saves approximately 35% in weight compared to a cast-iron unit of equivalent torque class, which is a decisive advantage for overhead-mounted and platform-mounted installations where structural load is a concern.

110 mm
Centre Distance
5:1 to 100:1
Ratio Range
11,051 Nm
Max Output Torque
0.55 — 4.0 kW
Input Power
ADC12
Housing Material
IP55
Protection Class
Aluminium HousingHollow / Solid Shaft IEC B5 / B14 FlangeISO 9001 CE Certified18-Month Warranty

Where the EPNMRV 110 Is Used

Deployed on mining belt conveyor head drives, large penstock and sluice gate actuators in dam infrastructure, heavy-duty sludge scraper drives in water treatment, industrial kiln rotation drives, and large-format woodworking machinery feed systems. In Australia, the EPNMRV 110 is specified for mining conveyor retrofit projects in the Bowen Basin and water treatment infrastructure across metropolitan Sydney.

When to Choose This Model

Select the EPNMRV 110 for sustained input powers between 2.2 kW and 4.0 kW. For applications demanding 5.5 kW+ or output torques above 1,200 Nm, the EPNMRV 130 provides additional capacity with 132-frame motor flange compatibility.

For detailed information on housing materials, worm gear efficiency characteristics, and installation orientation guidelines, refer to the EPNMRV Series overview.

EPNMRV 110 Specifications

All data for the EPNMRV 110 standalone gearbox. Input speed: 1,400 RPM.

Selection Table (Input: 1,400 RPM)

Input Power (kW)RatioOutput Speed (RPM)Torque (Nm)Radial Load (N)Service Factor fs
0.5530478244401.6
403510548651.4
0.7520708232721.6
25569535092.1
304712241601.6
403514848651.3
1.1159312935091.6
207017452411.2
255621648651.6
1.5159319655691.0
207025867831.1
2.21014030273060.9
159327485711.4
207032292321.5
3.01014037973281.7
159337973281.2
207046268031.5
4.07.518734138931.6
1014045042851.3
159366049051.0

fs = Service Factor. Required minimums: A (uniform) fs >= 1.0 | B (moderate shock) fs >= 1.25 | C (heavy shock) fs >= 1.75. Contact our engineers for application-specific verification.

Gear Engagement Parameters

Ratio (i)Worm Starts (Z1)Lead AngleModule (m)Dynamic Eff.Static Eff.Self-Locking
5428 deg 46 min50.900.89No
7.5422 deg 22 min50.890.87No
10415 deg 21 min3.750.860.85No
15214 deg 20 min20.840.82No
20214 deg 02 min20.850.84No
25111 deg 19 min20.790.78No
3017 deg 17 min20.750.72No
4015 deg 48 min20.670.63No
5014 deg 54 min20.630.59Marginal
6013 deg 37 min1.250.550.51Marginal
8013 deg 41 min1Yes
1001Yes

Self-locking should not be relied upon as the sole backstop — external brakes recommended for safety-critical loads.

Overall Dimensions (mm)

EPNMRV 110 worm gearbox dimensional drawing
ModelABCD(H8)FGHH1IM
EPNMRV 110255295601704213015513516574

All dimensions in mm. Default mounting: B3 (horizontal). Specify orientation at time of order.

Output Shaft Dimensions (mm)

EPNMRV output shaft dimensional drawing
ModelG1K1LL1b2t2d(h6)mV1V2
EPNMRV 110155162249324124542M168084.5

d(h6) = output shaft diameter with h6 tolerance. Contact us for double-side output (SZ) or hollow shaft configurations.

Need Help Selecting the Right EPNMRV Model?

Send us your torque, ratio, and mounting requirements. Our engineers will return a formal sizing report within 24 hours.