Ruland, 25.4 mm OD 9 mm, 38.1 mm Length 8 mm Flexible Beam Coupling

View all Flexible Couplings

Subtotal (1 unit)*

MYR339.63

Add to Basket
Select or type quantity
Temporarily out of stock
  • Shipping from 09 March 2026
Need more? Click ‘Check delivery dates’ to find extra stock and lead times.
Units
Per Unit
1 +MYR339.63

*price indicative

RS Stock No.:
591-259
Mfr. Part No.:
FCMR25-9-8-A
Manufacturer:
Ruland
Find similar products by selecting one or more attributes.
Select all

Brand

Ruland

Product Type

Flexible Beam Coupling

Outside Diameter

25.4 mm

Length

38.1mm

Maximum Speed

6000rpm

Torque Rating

3.73Nm

Moment of Inertia

4.12 x 10-6 kg/m²

Misalignment - Angular

3.0°

Number of Beams

6

Style

Clamp

Misalignment - Parallel

0.38mm

Misalignment - Axial

0.25mm

Material

7075-T651 Extruded Drawn Aluminium Bar

Minimum Operating Temperature

-40°F

Bore Size B

8mm

Bore Size A

9mm

Maximum Operating Temperature

225°F

Series

FCMR25-9-8-A

Standards/Approvals

RoHS3, REACH, DIN 912 12.9

Screw Size

M4

COO (Country of Origin):
US
The Ruland Six beam coupling is expertly engineered to provide high torque capacity and precision in light duty power transmission applications. With a robust clamp-style design, it ensures zero backlash and features a balanced structure, significantly reducing vibrations even at high speeds of up to 6,000 RPM. Crafted from 7075 aluminium, it strikes the ideal balance between lightweight properties and durability, making it a superior choice for connecting servo motors to lead screws. The coupling is manufactured using advanced techniques at a dedicated facility in the USA, adhering to strict regulations to guarantee maximum performance and reliability. This product is ideal for applications that require both high performance and exceptional reliability, thanks to its proprietary features like Nypatch anti-vibration hardware and compliance with RoHS3 and REACH standards, providing added peace of mind for users.

Machined from a single piece of 7075 aluminium for enhanced strength

Equipped with unique Nypatch anti-vibration screws to maintain superior holding power

Designed for optimal performance with zero backlash, ensuring precision operation

Features a balanced design that greatly reduces vibration at high speeds

Meets stringent RoHS3 and REACH compliance for environmentally responsible usage

Manufactured in the USA under strict quality controls to ensure consistency

Offers a high torque capacity, ideal for demanding applications

Installation is simplified with clearly defined torque specifications

Related links