Ruland, 25 mm OD 8 mm, 31.8 mm Length 8 mm Flexible Coupling

Subtotal (1 unit)*

Kr.1 302 81 

(exc. VAT)

Kr.1 628 51 

(inc. VAT)

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RS Stock No.:
605-941
Mfr. Part No.:
PSMR25-8-8-SS
Brand:
Ruland
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Brand

Ruland

Product Type

Flexible Coupling

Outside Diameter

25 mm

Length

31.8mm

Maximum Speed

6000rpm

Torque Rating

4.63Nm

Moment of Inertia

9.275 x 10-6 kg/m²

Number of Beams

4

Misalignment - Angular

3.0°

Style

Set Screw

Misalignment - Parallel

0.38mm

Misalignment - Axial

0.25mm

Material

303 Stainless Steel

Minimum Operating Temperature

-40°C

Bore Size B

8mm

Bore Size A

8mm

Maximum Operating Temperature

176°C

Series

PSMR25

Standards/Approvals

RoHS3, REACH, DIN 912 12.9

Screw Size

M4

COO (Country of Origin):
US
The Ruland Four beam coupling is an exceptional solution for applications requiring precision and reliability. Designed for high-performance mechanisms, it features a unique set screw style that ensures a secure grip without backlash. Crafted from robust stainless steel, the coupling exhibits superior torque capacity and a balanced design, which significantly reduces vibration during operation, particularly at high speeds of up to 6,000 RPM. With its zero-backlash feature, this coupling is engineered to deliver impeccable alignment and efficiency in motion transfer. The product boasts rigorous manufacturing standards with materials sourced exclusively from North American mills, ensuring compliance with RoHS3 and REACH regulations. Built to withstand both angular and parallel misalignment, it's an ideal choice for applications demanding high levels of accuracy and durability.

Machined from a single piece of 303 stainless steel for enhanced strength

Designed for high torque applications with dynamic torque ratings exceeding common industry standards

Offers maximum speed capabilities of 6,000 RPM for demanding applications

Zero-backlash design ensures precise and efficient torque transmission

Supports maximum misalignment for improved operational flexibility

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