Ruland, 2 in OD 21 mm, 3 in Length 18 mm Beam Coupling

Image representative of range

Subtotal (1 unit)*

Kr. 3 250,27

(exc. VAT)

Kr. 4 062,84

(inc. VAT)

Add to Basket
Select or type quantity
Stocked by manufacturer
  • Ready to ship from 01 July 2026
Need more? Click ‘Check delivery dates’ to find extra stock and lead times.
Units
Per unit
1 +Kr. 3 250,27

*price indicative

RS Stock No.:
801-666
Mfr. Part No.:
ROCMD51-21-18-AN
Brand:
Ruland
Find similar products by selecting one or more attributes.
Select all

Brand

Ruland

Product Type

Beam Coupling

Outside Diameter

2in

Length

3in

Maximum Speed

6000rpm

Torque Rating

20.3nm

Moment of Inertia

113.166 x10⁻⁰⁶ kg-m²

Number of Beams

6

Misalignment - Angular

Style

Clamp

Misalignment - Parallel

1.52mm

Misalignment - Axial

0.76mm

Minimum Operating Temperature

-40°C

Bore Size A

21mm

Bore Size B

18mm

Material

Aluminium

Series

ROCMD

Maximum Operating Temperature

107°C

Standards/Approvals

RoHS3

Screw Size

M6

COO (Country of Origin):
US
The Ruland six beam coupling offers superior performance in connecting shafts with misalignment capabilities, featuring 21mm x 18mm bores, a 50mm outer diameter, and a lightweight yet robust aluminium construction.

Machined from single-piece 7075 aluminium for reduced inertia

Accommodates a maximum angular misalignment of 6.0°

Supports a maximum speed of 6,000 RPM, ensuring high-performance reliability

Compliant with RoHS3, REACH, and Conflict Minerals regulations for responsible manufacturing

Dynamic torque ratings of 10.15 Nm (reversing) and 5.08 Nm (non-reversing)

Related links