Ruland Beam Coupling, 38.1mm Outside Diameter, 17 mm, 20 mm Bore, 57.2mm Length Flexible Beam Coupling

View all Flexible Couplings

Subtotal (1 unit)*

£111.61

(exc. VAT)

£133.93

(inc. VAT)

Add to Basket
Select or type quantity
Temporarily out of stock
  • Shipping from 10 November 2025
Need more? Click ‘Check delivery dates’ to find extra stock and lead times.
Units
Per unit
1 +£111.61

*price indicative

RS Stock No.:
591-341
Mfr. Part No.:
FSMR38-20-17-A
Brand:
Ruland
Find similar products by selecting one or more attributes.
Select all

Brand

Ruland

Bore

17 mm, 20 mm

Coupling Types

Beam Coupling

Outside Diameter

38.1mm

Length

57.2mm

Fastening Type

Set Screw

Torque Rating

11.75Nm

COO (Country of Origin):
US
The Ruland Six beam coupling is specifically designed for precision power transmission applications, combining innovative engineering with superior performance. Made from high-quality 7075 aluminium, it boasts a lightweight construction yet maintains outstanding durability and high torque capacity. The coupling's unique design, featuring two sets of three spiral cuts, significantly reduces windup and enhances performance at high speeds, making it ideal for connecting servo motors to lead screws. With a zero-backlash function and a balanced design, it ensures optimal performance at speeds of up to 6,000 RPM while also minimising vibration. Built under stringent conditions in the USA, this coupling meets RoHS3 and REACH compliance standards, demonstrating an unwavering commitment to quality and safety.

Balanced design reduces vibration for smoother performance
Manufactured to exceed DIN 912 12.9 standards for durability
Perfect for applications requiring precise alignment and minimal misalignment adjustments
Sourced exclusively from North American mills to ensure quality
RoHS3 and REACH compliant, reflecting environmental responsibility
Installation instructions provided for optimal setup and performance

Related links