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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 1-24 of 325

Set Descending Direction
  1. JC10-2-A
    JC10-2-A
    Ruland JC10-2-A, 1/8" Jaw Coupling Hub, Aluminum, Clamp Style, 0.590" OD, 0.300" Length
  2. Ruland JC10-3-A, Jaw Coupling Hub
    JC10-3-A
    Ruland JC10-3-A, 3/16" Jaw Coupling Hub, Aluminum, Clamp Style, 0.590" OD, 0.300" Length
  3. Ruland JC10-4-A, Jaw Coupling Hub
    JC10-4-A
    Ruland JC10-4-A, 1/4" Jaw Coupling Hub, Aluminum, Clamp Style, 0.590" OD, 0.300" Length
  4. Ruland JC12-3-A, Jaw Coupling Hub
    JC12-3-A
    Ruland JC12-3-A, 3/16" Jaw Coupling Hub, Aluminum, Clamp Style, 0.750" OD, 0.385" Length
  5. Ruland JC12-4-A, Jaw Coupling Hub
    JC12-4-A
    Ruland JC12-4-A, 1/4" Jaw Coupling Hub, Aluminum, Clamp Style, 0.750" OD, 0.385" Length
  6. Ruland JC12-5-A, Jaw Coupling Hub
    JC12-5-A
    Ruland JC12-5-A, 5/16" Jaw Coupling Hub, Aluminum, Clamp Style, 0.750" OD, 0.385" Length
  7. Ruland JC16-4-A, Jaw Coupling Hub
    JC16-4-A
    Ruland JC16-4-A, 1/4" Jaw Coupling Hub, Aluminum, Clamp Style, 1.000" OD, 0.467" Length
  8. Ruland JC16-5-A, Jaw Coupling Hub
    JC16-5-A
    Ruland JC16-5-A, 5/16" Jaw Coupling Hub, Aluminum, Clamp Style, 1.000" OD, 0.467" Length
  9. Ruland JC16-6-A, Jaw Coupling Hub
    JC16-6-A
    Ruland JC16-6-A, 3/8" Jaw Coupling Hub, Aluminum, Clamp Style, 1.000" OD, 0.467" Length
  10. Ruland JC16-8-A, Jaw Coupling Hub
    JC16-8-A
    Ruland JC16-8-A, 1/2" Jaw Coupling Hub, Aluminum, Clamp Style, 1.000" OD, 0.467" Length
  11. Ruland JC21-10-A, Jaw Coupling Hub
    JC21-10-A
    Ruland JC21-10-A, 5/8" Jaw Coupling Hub, Aluminum, Clamp Style, 1.313" OD, 0.590" Length
  12. Ruland JC21-5-A, Jaw Coupling Hub
    JC21-5-A
    Ruland JC21-5-A, 5/16" Jaw Coupling Hub, Aluminum, Clamp Style, 1.313" OD, 0.590" Length
  13. Ruland JC21-6-A, Jaw Coupling Hub
    JC21-6-A
    Ruland JC21-6-A, 3/8" Jaw Coupling Hub, Aluminum, Clamp Style, 1.313" OD, 0.590" Length
  14. Ruland JC21-8-A, Jaw Coupling Hub
    JC21-8-A
    Ruland JC21-8-A, 1/2" Jaw Coupling Hub, Aluminum, Clamp Style, 1.313" OD, 0.590" Length
  15. Ruland JC26-10-A, Jaw Coupling Hub
    JC26-10-A
    Ruland JC26-10-A, 5/8" Jaw Coupling Hub, Aluminum, Clamp Style, 1.625" OD, 0.710" Length
  16. Ruland JC26-12-A, Jaw Coupling Hub
    JC26-12-A
    Ruland JC26-12-A, 3/4" Jaw Coupling Hub, Aluminum, Clamp Style, 1.625" OD, 0.710" Length
  17. Ruland JC26-6-A, Jaw Coupling Hub
    JC26-6-A
    Ruland JC26-6-A, 3/8" Jaw Coupling Hub, Aluminum, Clamp Style, 1.625" OD, 0.710" Length
  18. Ruland JC26-8-A, Jaw Coupling Hub
    JC26-8-A
    Ruland JC26-8-A, 1/2" Jaw Coupling Hub, Aluminum, Clamp Style, 1.625" OD, 0.710" Length
  19. Ruland JC32-10-A, Jaw Coupling Hub
    JC32-10-A
    Ruland JC32-10-A, 5/8" Jaw Coupling Hub, Aluminum, Clamp Style, 2.000" OD, 0.820" Length
  20. Ruland JC32-12-A, Jaw Coupling Hub
    JC32-12-A
    Ruland JC32-12-A, 3/4" Jaw Coupling Hub, Aluminum, Clamp Style, 2.000" OD, 0.820" Length
  21. Ruland JC32-14-A, Jaw Coupling Hub
    JC32-14-A
    Ruland JC32-14-A, 7/8" Jaw Coupling Hub, Aluminum, Clamp Style, 2.000" OD, 0.820" Length
  22. Ruland JC32-16-A, Jaw Coupling Hub
    JC32-16-A
    Ruland JC32-16-A, 1" Jaw Coupling Hub, Aluminum, Clamp Style, 2.000" OD, 0.820" Length
  23. Ruland JC32-8-A, Jaw Coupling Hub
    JC32-8-A
    Ruland JC32-8-A, 1/2" Jaw Coupling Hub, Aluminum, Clamp Style, 2.000" OD, 0.820" Length
  24. Ruland JC36-10-A, Jaw Coupling Hub
    JC36-10-A
    Ruland JC36-10-A, 5/8" Jaw Coupling Hub, Aluminum, Clamp Style, 2.250" OD, 1.130" Length
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