Ruland Beam, 15.9mm Outside Diameter, 4mm Bore, 20.3mm Length Flexible Coupling

View all Flexible Couplings

Subtotal (1 unit)*

£104.50

(exc. VAT)

£125.40

(inc. VAT)

Add to Basket
Select or type quantity
Temporarily out of stock
  • Shipping from 01 December 2025
Need more? Click ‘Check delivery dates’ to find extra stock and lead times.
Units
Per unit
1 +£104.50

*price indicative

RS Stock No.:
604-189
Mfr. Part No.:
PSMR16-4-4-SS
Brand:
Ruland
Find similar products by selecting one or more attributes.
Select all

Brand

Ruland

Coupling Types

Beam

Bore

4mm

Outside Diameter

15.9mm

Length

20.3mm

Fastening Type

Set Screw

Torque Rating

0.92Nm

COO (Country of Origin):
US
The Ruland Four beam coupling exemplifies precision engineering, designed to securely connect shafts with minimal backlash. Constructed from durable 303 stainless steel, this coupling offers enhanced torque capacity and resistance to wear. Its innovative design allows for dynamic performance at speeds of up to 6,000 RPM, making it ideal for high-speed applications where reliability is paramount. The zero-backlash feature ensures a smooth transfer of motion, while the balanced construction decreases vibration even under challenging conditions. With a focus on quality, this coupling is manufactured under strict controls in Marlborough, MA, using materials sourced exclusively from North American mills. It meets stringent RoHS3 and REACH compliance standards, assuring users of its safety and environmental considerations.

Machined from a single piece of 303 stainless steel for exceptional durability
Zero-backlash design enhances precision and reliability in high-speed applications
Balanced construction minimizes vibration, optimizing performance during operation
Compact dimensions allow for versatile installation in various systems
Designed to withstand extreme temperatures, ensuring consistent performance

Related links