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Standard Bellows Coupling: Inch

Standard bellows couplings with inch dimensions are available are available with clamp style hubs with or without keyways in bore sizes ranging from 1/8” to 1-3/4”. 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"/-.000"
  • 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:

Part Number Identification

Products

View as Grid Table

Items 193-216 of 266

Set Descending Direction
  1. Ruland BCK36-16-12-A, Bellows Coupling
    BCK36-16-12-A
    As low as $203.99 $299.18
    Ruland BCK36-16-12-A, 1" x 3/4" Bellows Coupling with Keyways, High Stiffness, Aluminum, 2.250", OD 3.235" Length
  2. Ruland BCK36-16-14-A, Bellows Coupling
    BCK36-16-14-A
    As low as $203.99 $299.18
    Ruland BCK36-16-14-A, 1" x 7/8" Bellows Coupling with Keyways, High Stiffness, Aluminum, 2.250", OD 3.235" Length
  3. Ruland BCK36-16-16-A, Bellows Coupling
    BCK36-16-16-A
    As low as $203.99 $299.18
    Ruland BCK36-16-16-A, 1" x 1" Bellows Coupling with Keyways, High Stiffness, Aluminum, 2.250", OD 3.235" Length
  4. Ruland BCK36-16-8-A, Bellows Coupling
    BCK36-16-8-A
    As low as $203.99 $299.18
    Ruland BCK36-16-8-A, 1" x 1/2" Bellows Coupling with Keyways, High Stiffness, Aluminum, 2.250", OD 3.235" Length
  5. Ruland BCK36-18-10-A, Bellows Coupling
    BCK36-18-10-A
    As low as $203.99 $299.18
    Ruland BCK36-18-10-A, 1 1/8" x 5/8" Bellows Coupling with Keyways, High Stiffness, Aluminum, 2.250", OD 3.235" Length
  6. Ruland BCK36-18-12-A, Bellows Coupling
    BCK36-18-12-A
    As low as $203.99 $299.18
    Ruland BCK36-18-12-A, 1 1/8" x 3/4" Bellows Coupling with Keyways, High Stiffness, Aluminum, 2.250", OD 3.235" Length
  7. Ruland BCK36-18-14-A, Bellows Coupling
    BCK36-18-14-A
    As low as $203.99 $299.18
    Ruland BCK36-18-14-A, 1 1/8" x 7/8" Bellows Coupling with Keyways, High Stiffness, Aluminum, 2.250", OD 3.235" Length
  8. Ruland BCK36-18-16-A, Bellows Coupling
    BCK36-18-16-A
    As low as $203.99 $299.18
    Ruland BCK36-18-16-A, 1 1/8" x 1" Bellows Coupling with Keyways, High Stiffness, Aluminum, 2.250", OD 3.235" Length
  9. Ruland BCK36-18-18-A, Bellows Coupling
    BCK36-18-18-A
    As low as $203.99 $299.18
    Ruland BCK36-18-18-A, 1 1/8" x 1 1/8" Bellows Coupling with Keyways, High Stiffness, Aluminum, 2.250", OD 3.235" Length
  10. Ruland BCK36-18-8-A, Bellows Coupling
    BCK36-18-8-A
    As low as $203.99 $299.18
    Ruland BCK36-18-8-A, 1 1/8" x 1/2" Bellows Coupling with Keyways, High Stiffness, Aluminum, 2.250", OD 3.235" Length
  11. Ruland BCK36-20-10-A, Bellows Coupling
    BCK36-20-10-A
    As low as $203.99 $299.18
    Ruland BCK36-20-10-A, 1 1/4" x 5/8" Bellows Coupling with Keyways, High Stiffness, Aluminum, 2.250", OD 3.235" Length
  12. Ruland BCK36-20-12-A, Bellows Coupling
    BCK36-20-12-A
    As low as $203.99 $299.18
    Ruland BCK36-20-12-A, 1 1/4" x 3/4" Bellows Coupling with Keyways, High Stiffness, Aluminum, 2.250", OD 3.235" Length
  13. Ruland BCK36-20-14-A, Bellows Coupling
    BCK36-20-14-A
    As low as $203.99 $299.18
    Ruland BCK36-20-14-A, 1 1/4" x 7/8" Bellows Coupling with Keyways, High Stiffness, Aluminum, 2.250", OD 3.235" Length
  14. Ruland BCK36-20-16-A, Bellows Coupling
    BCK36-20-16-A
    As low as $203.99 $299.18
    Ruland BCK36-20-16-A, 1 1/4" x 1" Bellows Coupling with Keyways, High Stiffness, Aluminum, 2.250", OD 3.235" Length
  15. Ruland BCK36-20-18-A, Bellows Coupling
    BCK36-20-18-A
    As low as $203.99 $299.18
    Ruland BCK36-20-18-A, 1 1/4" x 1 1/8" Bellows Coupling with Keyways, High Stiffness, Aluminum, 2.250", OD 3.235" Length
  16. Ruland BCK36-20-20-A, Bellows Coupling
    BCK36-20-20-A
    As low as $203.99 $299.18
    Ruland BCK36-20-20-A, 1 1/4" x 1 1/4" Bellows Coupling with Keyways, High Stiffness, Aluminum, 2.250", OD 3.235" Length
  17. Ruland BCK36-20-8-A, Bellows Coupling
    BCK36-20-8-A
    As low as $203.99 $299.18
    Ruland BCK36-20-8-A, 1 1/4" x 1/2" Bellows Coupling with Keyways, High Stiffness, Aluminum, 2.250", OD 3.235" Length
  18. Ruland BCK36-8-8-A, Bellows Coupling
    BCK36-8-8-A
    As low as $203.99 $299.18
    Ruland BCK36-8-8-A, 1/2" x 1/2" Bellows Coupling with Keyways, High Stiffness, Aluminum, 2.250", OD 3.235" Length
  19. BCK44-12-12-A, Bellows Coupling
    BCK44-12-12-A
    As low as $227.73 $334.00
    Ruland BCK44-12-12-A, 3/4" x 3/4" Bellows Coupling with Keyways, High Stiffness, Aluminum, 2.750", OD 3.439" Length
  20. BCK44-14-12-A, Bellows Coupling
    BCK44-14-12-A
    As low as $227.73 $334.00
    Ruland BCK44-14-12-A, 7/8" x 3/4" Bellows Coupling with Keyways, High Stiffness, Aluminum, 2.750", OD 3.439" Length
  21. BCK44-14-14-A, Bellows Coupling
    BCK44-14-14-A
    As low as $227.73 $334.00
    Ruland BCK44-14-14-A, 7/8" x 7/8" Bellows Coupling with Keyways, High Stiffness, Aluminum, 2.750", OD 3.439" Length
  22. BCK44-16-12-A, Bellows Coupling
    BCK44-16-12-A
    As low as $227.73 $334.00
    Ruland BCK44-16-12-A, 1" x 3/4" Bellows Coupling with Keyways, High Stiffness, Aluminum, 2.750", OD 3.439" Length
  23. BCK44-16-14-A, Bellows Coupling
    BCK44-16-14-A
    As low as $227.73 $334.00
    Ruland BCK44-16-14-A, 1" x 7/8" Bellows Coupling with Keyways, High Stiffness, Aluminum, 2.750", OD 3.439" Length
  24. BCK44-16-16-A, Bellows Coupling
    BCK44-16-16-A
    As low as $227.73 $334.00
    Ruland BCK44-16-16-A, 1" x 1" Bellows Coupling with Keyways, High Stiffness, Aluminum, 2.750", OD 3.439" Length
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