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

View all Flexible Couplings

Subtotal (1 unit)*

£36.90

(exc. VAT)

£44.28

(inc. VAT)

Add to Basket
Select or type quantity
Temporarily out of stock
  • 999,999,999 unit(s) shipping from 01 December 2025
Need more? Click ‘Check delivery dates’ to find extra stock and lead times.
Units
Per unit
1 +£36.90

*price indicative

RS Stock No.:
605-305
Mfr. Part No.:
PSMR16-4-4-A
Brand:
Ruland
Find similar products by selecting one or more attributes.
Select all

Brand

Ruland

Bore

4mm

Coupling Types

Beam

Outside Diameter

15.9mm

Length

20.3mm

Fastening Type

Set Screw

Torque Rating

0.92Nm

COO (Country of Origin):
US
The Ruland High-performance four beam coupling designed for precision applications requiring robust reliability and minimal backlash. This advanced coupling features a set screw style, suitable for joining shafts with 4mm bores, making it ideal for a range of engineering and manufacturing needs. Crafted from lightweight 7075 aluminum, it offers exceptional strength without compromising on weight, allowing for efficient operation in high-speed environments. Its innovative design includes two sets of spiral cuts, enhancing torque capacity while significantly reducing windup. Perfectly balanced, this coupling thrives in applications where reduced vibration is crucial, delivering optimal performance at speeds up to 6,000 RPM. With a commitment to quality, it’s manufactured in the USA under strict controls, ensuring a product that stands the test of time.

Manufactured from durable 7075 aluminum for lightweight performance
Zero-backlash design ensures accurate power transmission
Optimized for high-speed applications, supporting speeds up to 6,000 RPM
Utilizes advanced spiral cut technology for enhanced torque capacity

Related links