
Where the EPNMRV 090 Is Used
Installed on mining conveyor auxiliary drives across the Pilbara, large paddle mixers in chemical processing plants, circular clarifier bridge drives in municipal wastewater treatment facilities, heavy-duty gate valve actuators, and large-format printing press paper feed systems. The EPNMRV 090 is a frequent specification in tenders for water utility infrastructure upgrades across Queensland and New South Wales.
When to Choose This Model
The EPNMRV 090 covers continuous-duty applications up to 3.0 kW input power. When your duty cycle requires sustained output torques above 600 Nm or your motor is 4 kW+, the EPNMRV 110 provides the additional load margin.
For detailed information on housing materials, worm gear efficiency characteristics, and installation orientation guidelines, refer to the EPNMRV Series overview.
EPNMRV 090 Specifications
All data for the EPNMRV 090 standalone gearbox. Input speed: 1,400 RPM.
Selection Table (Input: 1,400 RPM)
| Input Power (kW) | Ratio | Output Speed (RPM) | Torque (Nm) | Radial Load (N) | Service Factor fs |
|---|---|---|---|---|---|
| 0.37 | 30 | 47 | 82 | 3745 | 1.9 |
| 40 | 35 | 95 | 3509 | 2.1 | |
| 50 | 28 | 112 | 3862 | 1.7 | |
| 60 | 23 | 122 | 3862 | 1.3 | |
| 0.55 | 20 | 70 | 70 | 2696 | 1.5 |
| 25 | 56 | 82 | 3272 | 1.5 | |
| 30 | 47 | 95 | 3509 | 2.1 | |
| 40 | 35 | 122 | 3862 | 1.7 | |
| 0.75 | 15 | 93 | 63 | 2973 | 2.6 |
| 20 | 70 | 95 | 3509 | 2.1 | |
| 25 | 56 | 112 | 3862 | 1.7 | |
| 30 | 47 | 122 | 3862 | 1.3 | |
| 1.1 | 15 | 93 | 92 | 2973 | 1.5 |
| 20 | 70 | 148 | 4160 | 1.3 | |
| 25 | 56 | 174 | 5241 | 1.2 | |
| 1.5 | 10 | 140 | 89 | 3065 | 2.6 |
| 15 | 93 | 174 | 5241 | 1.9 | |
| 20 | 70 | 222 | 5383 | 1.6 | |
| 2.2 | 10 | 140 | 182 | 5799 | 1.9 |
| 15 | 93 | 274 | 8571 | 1.4 | |
| 20 | 70 | 322 | 9232 | 1.5 | |
| 3.0 | 7.5 | 187 | 50 | 2359 | 2.6 |
| 10 | 140 | 274 | 8571 | 1.5 | |
| 15 | 93 | 302 | 7306 | 0.9 |
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 Angle | Module (m) | Dynamic Eff. | Static Eff. | Self-Locking |
|---|---|---|---|---|---|---|
| 5 | 4 | 28 deg 46 min | 3.75 | 0.90 | 0.89 | No |
| 7.5 | 4 | 22 deg 22 min | 3.75 | 0.89 | 0.87 | No |
| 10 | 4 | 15 deg 21 min | 3.25 | 0.86 | 0.85 | No |
| 15 | 2 | 14 deg 02 min | 2 | 0.84 | 0.82 | No |
| 20 | 2 | 11 deg 19 min | 2 | 0.82 | 0.79 | No |
| 25 | 1 | 7 deg 49 min | 2 | 0.78 | 0.75 | No |
| 30 | 1 | 7 deg 36 min | 2 | 0.72 | 0.69 | No |
| 40 | 1 | 5 deg 43 min | 2 | 0.66 | 0.62 | No |
| 50 | 1 | 4 deg 46 min | 1.6 | 0.60 | 0.57 | Marginal |
| 60 | 1 | 3 deg 53 min | 1.25 | 0.55 | 0.52 | Marginal |
| 80 | 1 | 2 deg 52 min | 1 | — | — | Yes |
| 100 | 1 | — | — | — | — | Yes |
Self-locking should not be relied upon as the sole backstop — external brakes recommended for safety-critical loads.
Overall Dimensions (mm)

| Model | A | B | C | D(H8) | F | G | H | H1 | I | M |
|---|---|---|---|---|---|---|---|---|---|---|
| EPNMRV 090 | 206 | 238 | 50 | 140 | 35(38) | 110 | 130 | 67 | 129.5 | 103 |
All dimensions in mm. Default mounting: B3 (horizontal). Specify orientation at time of order.
Output Shaft Dimensions (mm)

| Model | G1 | K1 | L | L1 | b2 | t2 | d(h6) | m | V1 | V2 |
|---|---|---|---|---|---|---|---|---|---|---|
| EPNMRV 090 | 140 | 154.5 | 234 | 309 | 10 | 38 | 35 | M12 | 80 | 84.5 |
d(h6) = output shaft diameter with h6 tolerance. Contact us for double-side output (SZ) or hollow shaft configurations.
Other Models in This Series
The EPNMRV range covers centre distances from 25 mm to 150 mm.