PSH-20-UCO PSH Series Strain Wave Gear
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

ModelPSH-20-UCO
SeriesPSH (Unit)
Size20
Available Ratios50:1, 80:1, 100:1
Max Input Speed (Grease)6,500 r/min
Avg Input Speed (Grease)3,500 r/min
Lifespan10,000H

Torque Specifications by Ratio

RatioRated Torque
(@ 2000rpm)
Peak Torque
(Start/Stop)
Max Avg TorqueMomentary Max
50:133 Nm73 Nm44 Nm127 Nm
80:144 Nm96 Nm61 Nm165 Nm
100:152 Nm107 Nm64 Nm191 Nm

Note: For models size 50+ with ratio 50, use lubricating oil. If using grease, limit to ½ of rated torque.