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Bellows Coupling: Inch to Metric

Bellows couplings with inch to metric bore combinations are available with clamp style hubs with or without keyways in bore dimensions ranging from 1/8" (3mm) to 1-3/4" (45mm). Stainless steel hubs and other custom features are available by special order.

Features

  • High torque with low inertia
  • Balanced design for high RPM
  • Long Life with no maintenance
  • High torsional stiffness
  • Constant velocity
  • Zero backlash
  • RoHS3 and REACH Compliant
  • Maximum speed: 10,000 RPM
  • Bore tolerance:
    +.001 in / -.000 in
    +.03mm/–.000mm
  • Temperature Range: -40°F to 200°F

Material

  • Aluminum hubs are standard
  • Stainless steel hubs available upon request
Line DrawingLine Drawing

How to Specify

Part numbers are in the following format with numbers representing sixteenths of an inch or millimeters:

Part Number Identification

Products

View as Grid Table

Items 1-24 of 793

Set Descending Direction
  1. Ruland BC10-1/4"-3MM-A, Bellows Coupling
    BC10-1/4"-3MM-A
    Ruland BC10-1/4"-3MM-A, 1/4" x 3mm Bellows Coupling, High Stiffness, Aluminum, 0.590" (15.0mm) OD, 1.076" (27.3mm) Length
  2. Ruland BC10-1/4"-4MM-A, Bellows Coupling
    BC10-1/4"-4MM-A
    Ruland BC10-1/4"-4MM-A, 1/4" x 4mm Bellows Coupling, High Stiffness, Aluminum, 0.590" (15.0mm) OD, 1.076" (27.3mm) Length
  3. Ruland BC10-1/4"-5MM-A, Bellows Coupling
    BC10-1/4"-5MM-A
    Ruland BC10-1/4"-5MM-A, 1/4" x 5mm Bellows Coupling, High Stiffness, Aluminum, 0.590" (15.0mm) OD, 1.076" (27.3mm) Length
  4. Ruland BC10-1/4"-6MM-A, Bellows Coupling
    BC10-1/4"-6MM-A
    Ruland BC10-1/4"-6MM-A, 1/4" x 6mm Bellows Coupling, High Stiffness, Aluminum, 0.590" (15.0mm) OD, 1.076" (27.3mm) Length
  5. Ruland BC10-1/8"-3MM-A, Bellows Coupling
    BC10-1/8"-3MM-A
    Ruland BC10-1/8"-3MM-A, 1/8" x 3mm Bellows Coupling, High Stiffness, Aluminum, 0.590" (15.0mm) OD, 1.076" (27.3mm) Length
  6. Ruland BC10-3/16"-3MM-A, Bellows Coupling
    BC10-3/16"-3MM-A
    Ruland BC10-3/16"-3MM-A, 3/16" x 3mm Bellows Coupling, High Stiffness, Aluminum, 0.590" (15.0mm) OD, 1.076" (27.3mm) Length
  7. Ruland BC10-3/16"-4MM-A, Bellows Coupling
    BC10-3/16"-4MM-A
    Ruland BC10-3/16"-4MM-A, 3/16" x 4mm Bellows Coupling, High Stiffness, Aluminum, 0.590" (15.0mm) OD, 1.076" (27.3mm) Length
  8. Ruland BC10-4MM-1/8"-A, Bellows Coupling
    BC10-4MM-1/8"-A
    Ruland BC10-4MM-1/8"-A, 4mm x 1/8" Bellows Coupling, High Stiffness, Aluminum, 0.590" (15.0mm) OD, 1.076" (27.3mm) Length
  9. Ruland BC10-5MM-1/8"-A, Bellows Coupling
    BC10-5MM-1/8"-A
    Ruland BC10-5MM-1/8"-A, 5mm x 1/8" Bellows Coupling, High Stiffness, Aluminum, 0.590" (15.0mm) OD, 1.076" (27.3mm) Length
  10. Ruland BC10-5MM-3/16"-A, Bellows Coupling
    BC10-5MM-3/16"-A
    Ruland BC10-5MM-3/16"-A, 5mm x 3/16" Bellows Coupling, High Stiffness, Aluminum, 0.590" (15.0mm) OD, 1.076" (27.3mm) Length
  11. Ruland BC10-6MM-1/8"-A, Bellows Coupling
    BC10-6MM-1/8"-A
    Ruland BC10-6MM-1/8"-A, 6mm x 1/8" Bellows Coupling, High Stiffness, Aluminum, 0.590" (15.0mm) OD, 1.076" (27.3mm) Length
  12. Ruland BC10-6MM-3/16"-A, Bellows Coupling
    BC10-6MM-3/16"-A
    Ruland BC10-6MM-3/16"-A, 6mm x 3/16" Bellows Coupling, High Stiffness, Aluminum, 0.590" (15.0mm) OD, 1.076" (27.3mm) Length
  13. Ruland BC12-1/4"-4MM-A, Bellows Coupling
    BC12-1/4"-4MM-A
    Ruland BC12-1/4"-4MM-A, 1/4" x 4mm Bellows Coupling, Aluminum, Clamp Style, 0.750" (19.1mm) OD, 1.303" (33.1mm) Length
  14. Ruland BC12-1/4"-5MM-A, Bellows Coupling
    BC12-1/4"-5MM-A
    Ruland BC12-1/4"-5MM-A, 1/4" x 5mm Bellows Coupling, Aluminum, Clamp Style, 0.750" (19.1mm) OD, 1.303" (33.1mm) Length
  15. Ruland BC12-1/4"-6MM-A, Bellows Coupling
    BC12-1/4"-6MM-A
    Ruland BC12-1/4"-6MM-A, 1/4" x 6mm Bellows Coupling, Aluminum, Clamp Style, 0.750" (19.1mm) OD, 1.303" (33.1mm) Length
  16. Ruland BC12-3/16"-4MM-A, Bellows Coupling
    BC12-3/16"-4MM-A
    Ruland BC12-3/16"-4MM-A, 3/16" x 4mm Bellows Coupling, Aluminum, Clamp Style, 0.750" (19.1mm) OD, 1.303" (33.1mm) Length
  17. Ruland BC12-5/16"-4MM-A, Bellows Coupling
    BC12-5/16"-4MM-A
    Ruland BC12-5/16"-4MM-A, 5/16" x 4mm Bellows Coupling, Aluminum, Clamp Style, 0.750" (19.1mm) OD, 1.303" (33.1mm) Length
  18. Ruland BC12-5/16"-5MM-A, Bellows Coupling
    BC12-5/16"-5MM-A
    Ruland BC12-5/16"-5MM-A, 5/16" x 5mm Bellows Coupling, Aluminum, Clamp Style, 0.750" (19.1mm) OD, 1.303" (33.1mm) Length
  19. Ruland BC12-5/16"-6MM-A, Bellows Coupling
    BC12-5/16"-6MM-A
    Ruland BC12-5/16"-6MM-A, 5/16" x 6mm Bellows Coupling, Aluminum, Clamp Style, 0.750" (19.1mm) OD, 1.303" (33.1mm) Length
  20. Ruland BC12-5/16"-7MM-A, Bellows Coupling
    BC12-5/16"-7MM-A
    Ruland BC12-5/16"-7MM-A, 5/16" x 7mm Bellows Coupling, Aluminum, Clamp Style, 0.750" (19.1mm) OD, 1.303" (33.1mm) Length
  21. Ruland BC12-5MM-3/16"-A, Bellows Coupling
    BC12-5MM-3/16"-A
    Ruland BC12-5MM-3/16"-A, 5mm x 3/16" Bellows Coupling, Aluminum, Clamp Style, 0.750" (19.1mm) OD, 1.303" (33.1mm) Length
  22. Ruland BC12-6MM-3/16"-A, Bellows Coupling
    BC12-6MM-3/16"-A
    Ruland BC12-6MM-3/16"-A, 6mm x 3/16" Bellows Coupling, Aluminum, Clamp Style, 0.750" (19.1mm) OD, 1.303" (33.1mm) Length
  23. Ruland BC12-7MM-1/4"-A, Bellows Coupling
    BC12-7MM-1/4"-A
    Ruland BC12-7MM-1/4"-A, 7mm x 1/4" Bellows Coupling, Aluminum, Clamp Style, 0.750" (19.1mm) OD, 1.303" (33.1mm) Length
  24. Ruland BC12-7MM-3/16"-A, Bellows Coupling
    BC12-7MM-3/16"-A
    Ruland BC12-7MM-3/16"-A, 7mm x 3/16" Bellows Coupling, Aluminum, Clamp Style, 0.750" (19.1mm) OD, 1.303" (33.1mm) Length
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