Ruland 50.8mm OD Coupling With Clamp Fastening

  • RS Stock No. 174-7251
  • Mfr. Part No. MJCC51-12-A
  • Manufacturer Ruland
Technical data sheets
Legislation and Compliance
RoHS Certificate of Compliance
COO (Country of Origin): US
Product Details

Ruland Coupling

The Ruland jaw coupling hub has a 51mm OD, 12mm bore, 4mm keyway and 20.8mm length with clamp fastening. This is readily accommodated by any combination of axial motion, angular and parallel misalignment. It comprises of a three-piece design consisting of two aluminium hubs and an elastomeric insert, called the spider. This design allows a highly customizable coupling that easily combines clamp or set screw hubs. Its balanced design reduces vibrations at high speed. This product has a key bore.

Features and Benefits

• Zero backlash
• Hardware is metric and test exceeds DIN standard for high torque capabilities
• Dampening characteristics of the spider increase system performance and minimize component wear
• Maximum speed of 8000rpm
• Temperature ranges between -23°C and 82°C
• Low inertia coupling
• Lightweight
• Made from aluminium


• Stepper and servo drives
• Encoders


• REACH certification
• Conflict Minerals compliant
• DIN 912 12.9
• ISO9001:2015

Attribute Value
Bore 12mm
Coupling Types Curved Jaw Coupling
Outside Diameter 50.8mm
Length 61mm
Fastening Type Clamp
1 In Global stock for delivery within 4 - 6 working days
Price Each
Was MYR372.29
MYR 364.40
Per unit
1 - 4
5 - 9
10 +