Ruland Beam, 25mm Outside Diameter, 8mm Bore, 31.8mm Length Flexible Coupling

Subtotal (1 unit)*

£115.52

(exc. VAT)

£138.62

(inc. VAT)

Add to Basket
Select or type quantity
Temporarily out of stock
  • Shipping from 06 November 2025
Need more? Click ‘Check delivery dates’ to find extra stock and lead times.
Units
Per unit
1 +£115.52

*price indicative

RS Stock No.:
604-257
Mfr. Part No.:
PSMR25-8-7-SS
Brand:
Ruland
Find similar products by selecting one or more attributes.
Select all

Brand

Ruland

Coupling Types

Beam

Bore

8mm

Outside Diameter

25mm

Length

31.8mm

Fastening Type

Set Screw

Torque Rating

4.63Nm

COO (Country of Origin):
US
The Ruland Four beam coupling is designed to provide superior performance in demanding applications. Machined from high-quality 303 stainless steel, it features a set screw style that securely holds shafting while allowing for precise alignment. The unique design incorporates two sets of spiral cuts, which enhances torque capacity and minimizes windup, making it suitable for high-speed operations. With the ability to operate efficiently at speeds of up to 6,000 RPM, this coupling ensures zero backlash and offers a balanced design, reducing vibrations during operation. Manufactured under stringent controls in the USA, this product meets rigorous industry standards for quality and durability, presenting a reliable solution for various mechanical connections.

Constructed from durable 303 stainless steel for enhanced strength
Set screw design allows for firm and adjustable shaft locking
Optimized for high-torque applications, ensuring reliable power transmission
Zero-backlash design guarantees precision in motion transfer
Designed for high-speed operations up to 6,000 RPM
Balanced construction reduces operational vibrations

Related links