
PSH Series
PSH-20-UCO
Compact Oldham coupling unit with integrated cross roller bearing. Coaxial input/output design.
Size
20
Type
Unit
Reduction Ratios
50:1, 80:1, 100:1
Configuration
Size 20 Oldham Coupling Unit
Rated Torque
33-52 Nm
Peak Torque
73-107 Nm
Max Input Speed
6500 rpm
Lifespan
10,000H
Key Features
- Oldham coupling input
- Coaxial input/output shaft
- High torque capacity
- High rigidity
- Zero backlash
- Excellent positioning accuracy
General Specifications
| Model | PSH-20-UCO |
| Series | PSH (Unit) |
| Size | 20 |
| Available Ratios | 50:1, 80:1, 100:1 |
| Max Input Speed (Grease) | 6,500 r/min |
| Avg Input Speed (Grease) | 3,500 r/min |
| Lifespan | 10,000H |
Torque Specifications by Ratio
| Ratio | Rated Torque (@ 2000rpm) | Peak Torque (Start/Stop) | Max Avg Torque | Momentary Max |
|---|---|---|---|---|
| 50:1 | 33 Nm | 73 Nm | 44 Nm | 127 Nm |
| 80:1 | 44 Nm | 96 Nm | 61 Nm | 165 Nm |
| 100:1 | 52 Nm | 107 Nm | 64 Nm | 191 Nm |
Note: For models size 50+ with ratio 50, use lubricating oil. If using grease, limit to ½ of rated torque.

