Ruland, 22.2 mm OD 7 mm, 27 mm Length 7 mm Flexible Coupling

View all Flexible Couplings

Subtotal (1 unit)*

SGD78.51

(exc. GST)

SGD85.58

(inc. GST)

Add to Basket
Select or type quantity
Orders below SGD150.00 (exc. GST) cost SGD25.00.
Temporarily out of stock
  • Shipping from 02 April 2026
Need more? Click ‘Check delivery dates’ to find extra stock and lead times.
Units
Per unit
1 +SGD78.51

*price indicative

RS Stock No.:
603-638
Mfr. Part No.:
PSMR22-7-7-A
Manufacturer:
Ruland
Find similar products by selecting one or more attributes.
Select all

Brand

Ruland

Product Type

Flexible Coupling

Outside Diameter

22.2 mm

Length

27mm

Maximum Speed

6000rpm

Torque Rating

1.76Nm

Moment of Inertia

1.639 x 10-6 kg/m²

Misalignment - Angular

3.0°

Number of Beams

4

Misalignment - Parallel

0.20mm

Style

Set Screw

Misalignment - Axial

0.13mm

Bore Size B

7mm

Material

7075-T651 Extruded Drawn Aluminium Bar

Minimum Operating Temperature

-40°C

Bore Size A

7mm

Series

PSMR22

Maximum Operating Temperature

107°C

Standards/Approvals

REACH, DIN 912 12.9, RoHS3

Screw Size

M4

COO (Country of Origin):
US
The Ruland Four beam coupling is engineered for precision and high performance, making it an ideal choice for applications requiring tight tolerances and excellent torque transfer. Designed with 7mm bores and crafted from durable 7075 aluminum, this coupling boasts a lightweight structure while managing substantial dynamic loads. Its innovative spiral cut design allows for superior torque capacity and mitigates unwanted vibration, ensuring smooth operation even at speeds up to 6,000 RPM. With zero-backlash functionality, it guarantees accurate positioning and minimal wear, enhancing the longevity of connected components. Manufactured under stringent quality controls in the USA, this coupling meets high performance standards and is compliant with RoHS and REACH regulations, making it a reliable choice for engineers and designers alike.

Machined from a single piece of 7075 aluminum for enhanced durability

Lightweight design reduces inertia, improving system efficiency

Zero-backlash mechanism ensures accurate alignment during operation

Capabilities for high-speed applications, supporting up to 6,000 RPM

Enhanced vibration reduction due to a balanced design

Related links