Ruland, 25.4 mm OD 8 mm, 31.8 mm Length 6 mm Flexible Coupling

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Subtotal (1 unit)*

Kr.1 545 66 

(exc. VAT)

Kr.1 932 08 

(inc. VAT)

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RS Stock No.:
604-687
Mfr. Part No.:
PSMR25-8-6-SS
Brand:
Ruland
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Brand

Ruland

Product Type

Flexible Coupling

Outside Diameter

25.4 mm

Length

31.8mm

Maximum Speed

6000rpm

Torque Rating

1.76Nm

Moment of Inertia

9.275 x 10-6 kg/m²

Misalignment - Angular

3.0°

Number of Beams

4

Style

Set Screw

Misalignment - Parallel

0.38mm

Misalignment - Axial

0.25mm

Material

303 Stainless Steel

Bore Size A

8mm

Bore Size B

6mm

Minimum Operating Temperature

-40°C

Maximum Operating Temperature

176°C

Series

PSMR25

Standards/Approvals

DIN 912 12.9, REACH, RoHS3

Screw Size

M4

COO (Country of Origin):
US
The Ruland Four beam coupling provides precision and reliability, making it an ideal choice for demanding applications. Machined from a single piece of 303 stainless steel, this coupling offers superior torque capacity and features a zero-backlash design, ensuring seamless performance even at high rotational speeds of up to 6,000 RPM. Its balanced construction significantly reduces vibration, which is essential for maintaining accuracy and efficiency in motion control. The coupling is specifically designed for 8mm x 6mm bores, allowing for exceptional power transmission in a compact form factor. With strict manufacturing controls in place, this product is not only compliant with RoHS3 and REACH standards but is also engineered to exceed DIN 912 12.9 standards for maximum torque ratings. Each coupling undergoes meticulous quality checks to ensure it meets the high expectations of both performance and durability.

Constructed from a single piece to enhance structural integrity

Provides higher torque capacity for demanding applications

Designed with zero-backlash technology for improved precision

Features a balanced design to greatly reduce vibration

Machined from 303 stainless steel, ensuring long-lasting durability

Max operational speed of 6,000 RPM allows for versatile applications

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