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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 289-312 of 402

Set Descending Direction
  1. Ruland MJCC80-40-A, Jaw Coupling Hub
    MJCC80-40-A
    As low as $113.36 $166.26
    Ruland MJCC80-40-A, 40mm Jaw Coupling Hub, Aluminum, Clamp Style With Keyway, 79.4mm OD, 40.4mm Length
  2. Ruland MJCC80-42-A, Jaw Coupling Hub
    MJCC80-42-A
    As low as $113.36 $166.26
    Ruland MJCC80-42-A, 42mm Jaw Coupling Hub, Aluminum, Clamp Style With Keyway, 79.4mm OD, 40.4mm Length
  3. Ruland MJCC80-45-A, Jaw Coupling Hub
    MJCC80-45-A
    As low as $113.36 $166.26
    Ruland MJCC80-45-A, 45mm Jaw Coupling Hub, Aluminum, Clamp Style With Keyway, 79.4mm OD, 40.4mm Length
  4. Ruland MJS15-3-A, Jaw Coupling Hub
    MJS15-3-A
    As low as $11.57 $16.98
    Ruland MJS15-3-A, 3mm Jaw Coupling Hub, Aluminum, Set Screw Style, 15.0mm OD, 7.6mm Length
  5. Ruland MJS15-4-A, Jaw Coupling Hub
    MJS15-4-A
    As low as $11.57 $16.98
    Ruland MJS15-4-A, 4mm Jaw Coupling Hub, Aluminum, Set Screw Style, 15.0mm OD, 7.6mm Length
  6. Ruland MJS15-5-A, Jaw Coupling Hub
    MJS15-5-A
    As low as $11.57 $16.98
    Ruland MJS15-5-A, 5mm Jaw Coupling Hub, Aluminum, Set Screw Style, 15.0mm OD, 7.6mm Length
  7. Ruland MJS15-6-A, Jaw Coupling Hub
    MJS15-6-A
    As low as $11.57 $16.98
    Ruland MJS15-6-A, 6mm Jaw Coupling Hub, Aluminum, Set Screw Style, 15.0mm OD, 7.6mm Length
  8. Ruland MJS19-4-A, Jaw Coupling Hub
    MJS19-4-A
    As low as $13.01 $19.07
    Ruland MJS19-4-A, 4mm Jaw Coupling Hub, Aluminum, Set Screw Style, 19.1mm OD, 9.8mm Length
  9. Ruland MJS19-5-A, Jaw Coupling Hub
    MJS19-5-A
    As low as $13.01 $19.07
    Ruland MJS19-5-A, 5mm Jaw Coupling Hub, Aluminum, Set Screw Style, 19.1mm OD, 9.8mm Length
  10. Ruland MJS19-6-A, Jaw Coupling Hub
    MJS19-6-A
    As low as $13.01 $19.07
    Ruland MJS19-6-A, 6mm Jaw Coupling Hub, Aluminum, Set Screw Style, 19.1mm OD, 9.8mm Length
  11. Ruland MJS19-7-A, Jaw Coupling Hub
    MJS19-7-A
    As low as $13.01 $19.07
    Ruland MJS19-7-A, 7mm Jaw Coupling Hub, Aluminum, Set Screw Style, 19.1mm OD, 9.8mm Length
  12. Ruland MJS19-8-A, Jaw Coupling Hub
    MJS19-8-A
    As low as $13.01 $19.07
    Ruland MJS19-8-A, 8mm Jaw Coupling Hub, Aluminum, Set Screw Style, 19.1mm OD, 9.8mm Length
  13. Ruland MJS25-10-A, Jaw Coupling Hub
    MJS25-10-A
    As low as $16.59 $24.33
    Ruland MJS25-10-A, 10mm Jaw Coupling Hub, Aluminum, Set Screw Style, 25.4mm OD, 11.9mm Length
  14. Ruland MJS25-11-A - Jaw Coupling Hub
    MJS25-11-A
    As low as $16.59 $24.33
    Ruland MJS25-11-A, 11mm Jaw Coupling Hub, Aluminum, Set Screw Style, 25.4mm OD, 11.9mm Length
  15. Ruland MJS25-12-A, Jaw Coupling Hub
    MJS25-12-A
    As low as $16.59 $24.33
    Ruland MJS25-12-A, 12mm Jaw Coupling Hub, Aluminum, Set Screw Style, 25.4mm OD, 11.9mm Length
  16. Ruland MJS25-6-A, Jaw Coupling Hub
    MJS25-6-A
    As low as $16.59 $24.33
    Ruland MJS25-6-A, 6mm Jaw Coupling Hub, Aluminum, Set Screw Style, 25.4mm OD, 11.9mm Length
  17. Ruland MJS25-7-A, Jaw Coupling Hub
    MJS25-7-A
    As low as $16.59 $24.33
    Ruland MJS25-7-A, 7mm Jaw Coupling Hub, Aluminum, Set Screw Style, 25.4mm OD, 11.9mm Length
  18. Ruland MJS25-8-A, Jaw Coupling Hub
    MJS25-8-A
    As low as $16.59 $24.33
    Ruland MJS25-8-A, 8mm Jaw Coupling Hub, Aluminum, Set Screw Style, 25.4mm OD, 11.9mm Length
  19. Ruland MJS25-9-A, Jaw Coupling Hub
    MJS25-9-A
    As low as $16.59 $24.33
    Ruland MJS25-9-A, 9mm Jaw Coupling Hub, Aluminum, Set Screw Style, 25.4mm OD, 11.9mm Length
  20. Ruland MJS33-10-A, Jaw Coupling Hub
    MJS33-10-A
    As low as $24.05 $35.28
    Ruland MJS33-10-A, 10mm Jaw Coupling Hub, Aluminum, Set Screw Style, 33.3mm OD, 15.0mm Length
  21. Ruland MJS33-11-A, Jaw Coupling Hub
    MJS33-11-A
    As low as $24.05 $35.28
    Ruland MJS33-11-A, 11mm Jaw Coupling Hub, Aluminum, Set Screw Style, 33.3mm OD, 15.0mm Length
  22. Ruland MJS33-12-A, Jaw Coupling Hub
    MJS33-12-A
    As low as $24.05 $35.28
    Ruland MJS33-12-A, 12mm Jaw Coupling Hub, Aluminum, Set Screw Style, 33.3mm OD, 15.0mm Length
  23. Ruland MJS33-13-A, Jaw Coupling Hub
    MJS33-13-A
    As low as $24.05 $35.28
    Ruland MJS33-13-A, 13mm Jaw Coupling Hub, Aluminum, Set Screw Style, 33.3mm OD, 15.0mm Length
  24. Ruland MJS33-14-A, Jaw Coupling Hub
    MJS33-14-A
    As low as $24.05 $35.28
    Ruland MJS33-14-A, 14mm Jaw Coupling Hub, Aluminum, Set Screw Style, 33.3mm OD, 15.0mm Length
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