Ruland, 2 in OD 21 mm, 3 in Length 21 mm Beam Coupling

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Subtotal (1 unit)*

Kr. 3 250,27

(exc. VAT)

Kr. 4 062,84

(inc. VAT)

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  • Ready to ship from 01 July 2026
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1 +Kr. 3 250,27

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RS Stock No.:
801-670
Mfr. Part No.:
ROCMD51-21-21-AN
Brand:
Ruland
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Brand

Ruland

Product Type

Beam Coupling

Outside Diameter

2in

Length

3in

Maximum Speed

6000rpm

Torque Rating

20.3nm

Moment of Inertia

112.835 x10⁻⁰⁶ kg-m²

Number of Beams

6

Misalignment - Angular

6°

Misalignment - Parallel

1.52mm

Style

Clamp

Misalignment - Axial

0.76mm

Minimum Operating Temperature

-40°C

Material

Aluminium

Bore Size A

21mm

Bore Size B

21mm

Maximum Operating Temperature

107°C

Series

ROCMD

Standards/Approvals

RoHS3

Screw Size

M6

COO (Country of Origin):
US
The Ruland six beam coupling is designed to accommodate 21mm x 21mm bores while providing reliable torque transmission for various applications.

Manufactured from 7075 aluminium for enhanced lightweight properties

Increased misalignment capability due to the unique beam design

Machined from North American sourced material to ensure quality

Complies with RoHS3, REACH, and Conflict Minerals standards

Features a reference mark for shaft alignment and easier installation

Testing exceeds DIN 912 12.9 standards for maximum torque capacity

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