®WB Miniature Cycloidal Reducer
Updated: 2026-09-15
The WB Series is a compact miniature cycloidal reducer family for small industrial drives.
Models
- Single-stage: WB65, WB85, WB100, WB120, WB150
- Double-stage: WBE1065, WBE1285, WBE1510
Ratios
- Single-stage: 9, 11, 17, 23, 29, 35, 43, 59, 71, 87
- Double-stage: 121, 187, 289, 385, 473, 595, 731, 989, 1225, 1849
Allowable output torque
| Model | Torque |
|---|---|
| WB65 | 25 Nm |
| WB85 | 60 Nm |
| WB100 | 120 Nm |
| WB120 | 150 Nm |
| WB150 | 250 Nm |
| WBE1065 | 120 Nm |
| WBE1285 | 150 Nm |
| WBE1510 | 250 Nm |
Speed references
- Rated input-speed reference: 1500 rpm
- Six-pole reference: 950 rpm
Service factor
| Operating time | Smooth | Medium impact | Heavy impact |
|---|---|---|---|
| 3–4 h/day | 0.80 | 1.00 | 1.35 |
| 8–10 h/day | 1.00 | 1.20 | 1.50 |
| 24 h/day | 1.20 | 1.35 | 1.60 |
Installation and maintenance
- Ambient: -15 °C to +40 °C
- Continuous forward/reverse operation
- Installation in any direction and angle
- Factory grease lubrication
- Check grease condition after approximately three months
- Replenish grease after leakage or grease deficiency
- Do not hammer couplings or pulleys onto the output shaft
- Avoid large axial/radial shaft loads unless checked
Need a quotation? Send motor power, input speed, required output speed or ratio, mounting direction and any installation drawings to sales@chinfar.com.