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Keyed Bellows Couplings: Clamp Style, Inch

Clamp style bellows couplings with inch dimensions and bores with keyways. Bore sizes from 3/8" to 1".

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
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 1-24 of 125

Set Descending Direction
  1. Ruland BCK16-6-4-A, Bellows Coupling
    BCK16-6-4-A
    As low as $104.27 $152.92
    Ruland BCK16-6-4-A, 3/8" x 1/4" Bellows Coupling with Keyways, High Stiffness, Aluminum, 1.000" OD, 1.345" Length
  2. Ruland BCK16-6-5-A, Bellows Coupling
    BCK16-6-5-A
    As low as $104.27 $152.92
    Ruland BCK16-6-5-A, 3/8" x 5/16" Bellows Coupling with Keyways, High Stiffness, Aluminum, 1.000" OD, 1.345" Length
  3. Ruland BCK16-6-6-A, Bellows Coupling
    BCK16-6-6-A
    As low as $104.27 $152.92
    Ruland BCK16-6-6-A, 3/8" x 3/8" Bellows Coupling with Keyways, High Stiffness, Aluminum, 1.000" OD, 1.345" Length
  4. Ruland BCK16-8-4-A, Bellows Coupling
    BCK16-8-4-A
    As low as $104.27 $152.92
    Ruland BCK16-8-4-A, 1/2" x 1/4" Bellows Coupling with Keyways, High Stiffness, Aluminum, 1.000" OD, 1.345" Length
  5. Ruland BCK16-8-5-A, Bellows Coupling
    BCK16-8-5-A
    As low as $104.27 $152.92
    Ruland BCK16-8-5-A, 1/2" x 5/16" Bellows Coupling with Keyways, High Stiffness, Aluminum, 1.000" OD, 1.345" Length
  6. Ruland BCK16-8-6-A, Bellows Coupling
    BCK16-8-6-A
    As low as $104.27 $152.92
    Ruland BCK16-8-6-A, 1/2" x 3/8" Bellows Coupling with Keyways, High Stiffness, Aluminum, 1.000" OD, 1.345" Length
  7. Ruland BCK16-8-8-A, Bellows Coupling
    BCK16-8-8-A
    As low as $104.27 $152.92
    Ruland BCK16-8-8-A, 1/2" x 1/2" Bellows Coupling with Keyways, High Stiffness, Aluminum, 1.000" OD, 1.345" Length
  8. Ruland BCK21-10-10-A, Bellows Coupling
    BCK21-10-10-A
    As low as $113.14 $165.94
    Ruland BCK21-10-10-A, 5/8" x 5/8" Bellows Coupling with Keyways, High Stiffness, Aluminum, 1.313" OD, 1.700" Length
  9. Ruland BCK21-10-5-A, Bellows Coupling
    BCK21-10-5-A
    As low as $113.14 $165.94
    Ruland BCK21-10-5-A, 5/8" x 5/16" Bellows Coupling with Keyways, High Stiffness, Aluminum, 1.313" OD, 1.700" Length
  10. Ruland BCK21-10-6-A, Bellows Coupling
    BCK21-10-6-A
    As low as $113.14 $165.94
    Ruland BCK21-10-6-A, 5/8" x 3/8" Bellows Coupling with Keyways, High Stiffness, Aluminum, 1.313" OD, 1.700" Length
  11. Ruland BCK21-10-8-A, Bellows Coupling
    BCK21-10-8-A
    As low as $113.14 $165.94
    Ruland BCK21-10-8-A, 5/8" x 1/2" Bellows Coupling with Keyways, High Stiffness, Aluminum, 1.313" OD, 1.700" Length
  12. Ruland BCK21-6-5-A, Bellows Coupling
    BCK21-6-5-A
    As low as $113.14 $165.94
    Ruland BCK21-6-5-A, 3/8" x 5/16" Bellows Coupling with Keyways, High Stiffness, Aluminum, 1.313" OD, 1.700" Length
  13. Ruland BCK21-6-6-A, Bellows Coupling
    BCK21-6-6-A
    As low as $113.14 $165.94
    Ruland BCK21-6-6-A, 3/8" x 3/8" Bellows Coupling with Keyways, High Stiffness, Aluminum, 1.313" OD, 1.700" Length
  14. Ruland BCK21-8-5-A, Bellows Coupling
    BCK21-8-5-A
    As low as $113.14 $165.94
    Ruland BCK21-8-5-A, 1/2" x 5/16" Bellows Coupling with Keyways, High Stiffness, Aluminum, 1.313" OD, 1.700" Length
  15. Ruland BCK21-8-6-A, Bellows Coupling
    BCK21-8-6-A
    As low as $113.14 $165.94
    Ruland BCK21-8-6-A, 1/2" x 3/8" Bellows Coupling with Keyways, High Stiffness, Aluminum, 1.313" OD, 1.700" Length
  16. Ruland BCK21-8-8-A, Bellows Coupling
    BCK21-8-8-A
    As low as $113.14 $165.94
    Ruland BCK21-8-8-A, 1/2" x 1/2" Bellows Coupling with Keyways, High Stiffness, Aluminum, 1.313" OD, 1.700" Length
  17. Ruland BCK26-10-10-A, Bellows Coupling
    BCK26-10-10-A
    As low as $135.16 $198.24
    Ruland BCK26-10-10-A, 5/8" x 5/8" Bellows Coupling with Keyways, High Stiffness, Aluminum, 1.625" OD, 2.035" Length
  18. Ruland BCK26-10-6-A, Bellows Coupling
    BCK26-10-6-A
    As low as $135.16 $198.24
    Ruland BCK26-10-6-A, 5/8" x 3/8" Bellows Coupling with Keyways, High Stiffness, Aluminum, 1.625" OD, 2.035" Length
  19. Ruland BCK26-10-8-A, Bellows Coupling
    BCK26-10-8-A
    As low as $135.16 $198.24
    Ruland BCK26-10-8-A, 5/8" x 1/2" Bellows Coupling with Keyways, High Stiffness, Aluminum, 1.625" OD, 2.035" Length
  20. Ruland BCK26-12-10-A, Bellows Coupling
    BCK26-12-10-A
    As low as $135.16 $198.24
    Ruland BCK26-12-10-A, 3/4" x 5/8" Bellows Coupling with Keyways, High Stiffness, Aluminum, 1.625" OD, 2.035" Length
  21. Ruland BCK26-12-12-A, Bellows Coupling
    BCK26-12-12-A
    As low as $135.16 $198.24
    Ruland BCK26-12-12-A, 3/4" x 3/4" Bellows Coupling with Keyways, High Stiffness, Aluminum, 1.625" OD, 2.035" Length
  22. Ruland BCK26-12-6-A, Bellows Coupling
    BCK26-12-6-A
    As low as $135.16 $198.24
    Ruland BCK26-12-6-A, 3/4" x 3/8" Bellows Coupling with Keyways, High Stiffness, Aluminum, 1.625" OD, 2.035" Length
  23. Ruland BCK26-12-8-A, Bellows Coupling
    BCK26-12-8-A
    As low as $135.16 $198.24
    Ruland BCK26-12-8-A, 3/4" x 1/2" Bellows Coupling with Keyways, High Stiffness, Aluminum, 1.625" OD, 2.035" Length
  24. Ruland BCK26-6-6-A, Bellows Coupling
    BCK26-6-6-A
    As low as $135.16 $198.24
    Ruland BCK26-6-6-A, 3/8" x 3/8" Bellows Coupling with Keyways, High Stiffness, Aluminum, 1.625" OD, 2.035" Length
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