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Jaw Coupling Hubs

This section will allow you to select hubs to be used individually or as part of an assembly. Ruland jaw coupling hubs undergo a proprietary machining process to produce a curved jaw profile that press fits with the spider, assuring zero-backlash operation. The curved jaw profile concentrates the forces to the center of the spider’s limbs, improving the effectiveness of the elastomer material. Jaw couplings are considered fail safe because if the spider were to fail, the jaws of the two hubs interlock for direct power transmission, allowing the application to be safely shut down for maintenance.

Features

  • Zero backlash
  • Balanced design
  • Replaceable spider
  • RoHS3 and REACH Compliant
  • Maximum speed: 8,000 RPM
  • Bore tolerance:
    • +.001"/-.000"
    • +.03mm/-.00mm
  • Temperature Range:
    • -10°F to 180°F
    • -23°C to 82°C

Material

  • Aluminum hubs are standard
  • Stainless steel hubs are available upon request

Line Drawing

Line Drawing

How to Order

Complete Coupling: Jaw couplings are an assembly of two hubs and one spider

Hubs: Choose two hubs in inch or metric in any style with the same outside diameter

Spider: Choose spider to match performance criteria. The spider must have the same outside diameter as both hubs.

Each hub and spider is sold separately

Products

View as Grid Table

Items 193-216 of 402

Set Descending Direction
  1. Ruland MJC57-14-A, Jaw Coupling Hub
    MJC57-14-A
    As low as $76.11 $111.63
    Ruland MJC57-14-A, 14mm Jaw Coupling Hub, Aluminum, Clamp Style, 57.2mm OD, 28.7mm Length
  2. Ruland MJC57-15-A, Jaw Coupling Hub
    MJC57-15-A
    As low as $76.11 $111.63
    Ruland MJC57-15-A, 15mm Jaw Coupling Hub, Aluminum, Clamp Style, 57.2mm OD, 28.7mm Length
  3. Ruland MJC57-16-A, Jaw Coupling Hub
    MJC57-16-A
    As low as $76.11 $111.63
    Ruland MJC57-16-A, 16mm Jaw Coupling Hub, Aluminum, Clamp Style, 57.2mm OD, 28.7mm Length
  4. Ruland MJC57-17-A, Jaw Coupling Hub
    MJC57-17-A
    As low as $76.11 $111.63
    Ruland MJC57-17-A, 17mm Jaw Coupling Hub, Aluminum, Clamp Style, 57.2mm OD, 28.7mm Length
  5. Ruland MJC57-18-A, Jaw Coupling Hub
    MJC57-18-A
    As low as $76.11 $111.63
    Ruland MJC57-18-A, 18mm Jaw Coupling Hub, Aluminum, Clamp Style, 57.2mm OD, 28.7mm Length
  6. Ruland MJC57-19-A, Jaw Coupling Hub
    MJC57-19-A
    As low as $76.11 $111.63
    Ruland MJC57-19-A, 19mm Jaw Coupling Hub, Aluminum, Clamp Style, 57.2mm OD, 28.7mm Length
  7. Ruland MJC57-20-A, Jaw Coupling Hub
    MJC57-20-A
    As low as $76.11 $111.63
    Ruland MJC57-20-A, 20mm Jaw Coupling Hub, Aluminum, Clamp Style, 57.2mm OD, 28.7mm Length
  8. Ruland MJC57-22-A, Jaw Coupling Hub
    MJC57-22-A
    As low as $76.11 $111.63
    Ruland MJC57-22-A, 22mm Jaw Coupling Hub, Aluminum, Clamp Style, 57.2mm OD, 28.7mm Length
  9. Ruland MJC57-24-A, Jaw Coupling Hub
    MJC57-24-A
    As low as $76.11 $111.63
    Ruland MJC57-24-A, 24mm Jaw Coupling Hub, Aluminum, Clamp Style, 57.2mm OD, 28.7mm Length
  10. Ruland MJC57-25-A, Jaw Coupling Hub
    MJC57-25-A
    As low as $76.11 $111.63
    Ruland MJC57-25-A, 25mm Jaw Coupling Hub, Aluminum, Clamp Style, 57.2mm OD, 28.7mm Length
  11. Ruland MJC57-28-A, Jaw Coupling Hub
    MJC57-28-A
    As low as $76.11 $111.63
    Ruland MJC57-28-A, 28mm Jaw Coupling Hub, Aluminum, Clamp Style, 57.2mm OD, 28.7mm Length
  12. Ruland MJC57-30-A, Jaw Coupling Hub
    MJC57-30-A
    As low as $76.11 $111.63
    Ruland MJC57-30-A, 30mm Jaw Coupling Hub, Aluminum, Clamp Style, 57.2mm OD, 28.7mm Length
  13. Ruland MJC57-32-A, Jaw Coupling Hub
    MJC57-32-A
    As low as $76.11 $111.63
    Ruland MJC57-32-A, 32mm Jaw Coupling Hub, Aluminum, Clamp Style, 57.2mm OD, 28.7mm Length
  14. Ruland MJC70-20-A, Jaw Coupling Hub
    MJC70-20-A
    As low as $84.98 $124.63
    Ruland MJC70-20-A, 20mm Jaw Coupling Hub, Aluminum, Clamp Style, 69.9mm OD, 33.0mm Length
  15. Ruland MJC70-22-A, Jaw Coupling Hub
    MJC70-22-A
    As low as $84.98 $124.63
    Ruland MJC70-22-A, 22mm Jaw Coupling Hub, Aluminum, Clamp Style, 69.9mm OD, 33.0mm Length
  16. Ruland MJC70-24-A, Jaw Coupling Hub
    MJC70-24-A
    As low as $84.98 $124.63
    Ruland MJC70-24-A, 24mm Jaw Coupling Hub, Aluminum, Clamp Style, 69.9mm OD, 33.0mm Length
  17. Ruland MJC70-25-A, Jaw Coupling Hub
    MJC70-25-A
    As low as $84.98 $124.63
    Ruland MJC70-25-A, 25mm Jaw Coupling Hub, Aluminum, Clamp Style, 69.9mm OD, 33.0mm Length
  18. Ruland MJC70-28-A, Jaw Coupling Hub
    MJC70-28-A
    As low as $84.98 $124.63
    Ruland MJC70-28-A, 28mm Jaw Coupling Hub, Aluminum, Clamp Style, 69.9mm OD, 33.0mm Length
  19. Ruland MJC70-30-A, Jaw Coupling Hub
    MJC70-30-A
    As low as $84.98 $124.63
    Ruland MJC70-30-A, 30mm Jaw Coupling Hub, Aluminum, Clamp Style, 69.9mm OD, 33.0mm Length
  20. Ruland MJC70-32-A, Jaw Coupling Hub
    MJC70-32-A
    As low as $84.98 $124.63
    Ruland MJC70-32-A, 32mm Jaw Coupling Hub, Aluminum, Clamp Style, 69.9mm OD, 33.0mm Length
  21. Ruland MJC70-35-A, Jaw Coupling Hub
    MJC70-35-A
    As low as $84.98 $124.63
    Ruland MJC70-35-A, 35mm Jaw Coupling Hub, Aluminum, Clamp Style, 69.9mm OD, 33.0mm Length
  22. Ruland MJC70-38-A, Jaw Coupling Hub
    MJC70-38-A
    As low as $84.98 $124.63
    Ruland MJC70-38-A, 38mm Jaw Coupling Hub, Aluminum, Clamp Style, 69.9mm OD, 33.0mm Length
  23. Ruland MJC80-25-A, Jaw Coupling Hub
    MJC80-25-A
    As low as $97.72 $143.33
    Ruland MJC80-25-A, 25mm Jaw Coupling Hub, Aluminum, Clamp Style, 79.4mm OD, 40.4mm Length
  24. Ruland MJC80-28-A, Jaw Coupling Hub
    MJC80-28-A
    As low as $97.72 $143.33
    Ruland MJC80-28-A, 28mm Jaw Coupling Hub, Aluminum, Clamp Style, 79.4mm OD, 40.4mm Length
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