Ruland, 2.25 in OD 21 mm, 3.25 in Length 20 mm Beam Coupling

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Subtotal (1 unit)*

Kr. 4 257,65

(exc. VAT)

Kr. 5 322,06

(inc. VAT)

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RS Stock No.:
801-114
Mfr. Part No.:
ROCMD57-21-20-AN
Brand:
Ruland
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Brand

Ruland

Product Type

Beam Coupling

Outside Diameter

2.25in

Length

3.25in

Maximum Speed

6000rpm

Torque Rating

23.16nm

Moment of Inertia

194.257 x10⁻⁰⁶ kg-m²

Misalignment - Angular

6°

Number of Beams

6

Style

Clamp

Misalignment - Parallel

1.52mm

Misalignment - Axial

0.76mm

Bore Size A

21mm

Bore Size B

20mm

Material

Aluminium

Minimum Operating Temperature

-40°C

Maximum Operating Temperature

107°C

Series

ROCMD

Standards/Approvals

RoHS3

Screw Size

M6

COO (Country of Origin):
US
The Ruland six beam coupling offers robust performance with 21mm and 20mm bores. Designed for precise torque transfer, it is Ideal for applications requiring increased misalignment tolerance and lightweight construction.

Machined from a single piece of 7075 aluminium for low inertia and durability

Features two sets of spiral cuts for enhanced beam spacing and misalignment capacity

Designed with a reference mark for easy identification of the larger bore

Complies with RoHS3, REACH, and Conflict Minerals regulations

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