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    Extended Length Bellows Coupling: Inch to Metric

    Extended length bellows couplings with inch to metric bore combinations are available in set screw or clamp style hubs with bore dimensions ranging from 3/16" (4mm) to 3/4" (20mm). 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
    • Increased Mislignment
    • 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 169-192 of 227

    Set Descending Direction
    1. Ruland BCLK21-16MM-3/8"-A, Bellows Coupling
      BCLK21-16MM-3/8"-A
      As low as $121.17 $177.72
      Ruland BCLK21-16MM-3/8"-A, 16mm x 3/8" Bellows Coupling with Keyways, Increased Misalignment, Aluminum, 1.313" (33.3mm) OD, 1.962" (49.8mm) Length
      Add to Compare
    2. Ruland BCLK21-16MM-5/16"-A, Bellows Coupling
      BCLK21-16MM-5/16"-A
      As low as $121.17 $177.72
      Ruland BCLK21-16MM-5/16"-A, 16mm x 5/16" Bellows Coupling with Keyways, Increased Misalignment, Aluminum, 1.313" (33.3mm) OD, 1.962" (49.8mm) Length
      Add to Compare
    3. Ruland BCLK21-16MM-5/8"-A, Bellows Coupling
      BCLK21-16MM-5/8"-A
      As low as $121.17 $177.72
      Ruland BCLK21-16MM-5/8"-A, 16mm x 5/8" Bellows Coupling with Keyways, Increased Misalignment, Aluminum, 1.313" (33.3mm) OD, 1.962" (49.8mm) Length
      Add to Compare
    4. Ruland BCLK21-3/8"-8MM-A, Bellows Coupling
      BCLK21-3/8"-8MM-A
      As low as $121.17 $177.72
      Ruland BCLK21-3/8"-8MM-A, 3/8" x 8mm Bellows Coupling with Keyways, Increased Misalignment, Aluminum, 1.313" (33.3mm) OD, 1.962" (49.8mm) Length
      Add to Compare
    5. Ruland BCLK21-3/8"-9MM-A, Bellows Coupling
      BCLK21-3/8"-9MM-A
      As low as $121.17 $177.72
      Ruland BCLK21-3/8"-9MM-A, 3/8" x 9mm Bellows Coupling with Keyways, Increased Misalignment, Aluminum, 1.313" (33.3mm) OD, 1.962" (49.8mm) Length
      Add to Compare
    6. Ruland BCLK21-5/8"-10MM-A, Bellows Coupling
      BCLK21-5/8"-10MM-A
      As low as $121.17 $177.72
      Ruland BCLK21-5/8"-10MM-A, 5/8" x 10mm Bellows Coupling with Keyways, Increased Misalignment, Aluminum, 1.313" (33.3mm) OD, 1.962" (49.8mm) Length
      Add to Compare
    7. Ruland BCLK21-5/8"-11MM-A, Bellows Coupling
      BCLK21-5/8"-11MM-A
      As low as $121.17 $177.72
      Ruland BCLK21-5/8"-11MM-A, 5/8" x 11mm Bellows Coupling with Keyways, Increased Misalignment, Aluminum, 1.313" (33.3mm) OD, 1.962" (49.8mm) Length
      Add to Compare
    8. Ruland BCLK21-5/8"-12MM-A, Bellows Coupling
      BCLK21-5/8"-12MM-A
      As low as $121.17 $177.72
      Ruland BCLK21-5/8"-12MM-A, 5/8" x 12mm Bellows Coupling with Keyways, Increased Misalignment, Aluminum, 1.313" (33.3mm) OD, 1.962" (49.8mm) Length
      Add to Compare
    9. Ruland BCLK21-5/8"-13MM-A, Bellows Coupling
      BCLK21-5/8"-13MM-A
      As low as $121.17 $177.72
      Ruland BCLK21-5/8"-13MM-A, 5/8" x 13mm Bellows Coupling with Keyways, Increased Misalignment, Aluminum, 1.313" (33.3mm) OD, 1.962" (49.8mm) Length
      Add to Compare
    10. Ruland BCLK21-5/8"-14MM-A, Bellows Coupling
      BCLK21-5/8"-14MM-A
      As low as $121.17 $177.72
      Ruland BCLK21-5/8"-14MM-A, 5/8" x 14mm Bellows Coupling with Keyways, Increased Misalignment, Aluminum, 1.313" (33.3mm) OD, 1.962" (49.8mm) Length
      Add to Compare
    11. Ruland BCLK21-5/8"-15MM-A, Bellows Coupling
      BCLK21-5/8"-15MM-A
      As low as $121.17 $177.72
      Ruland BCLK21-5/8"-15MM-A, 5/8" x 15mm Bellows Coupling with Keyways, Increased Misalignment, Aluminum, 1.313" (33.3mm) OD, 1.962" (49.8mm) Length
      Add to Compare
    12. Ruland BCLK21-5/8"-8MM-A, Bellows Coupling
      BCLK21-5/8"-8MM-A
      As low as $121.17 $177.72
      Ruland BCLK21-5/8"-8MM-A, 5/8" x 8mm Bellows Coupling with Keyways, Increased Misalignment, Aluminum, 1.313" (33.3mm) OD, 1.962" (49.8mm) Length
      Add to Compare
    13. Ruland BCLK21-5/8"-9MM-A, Bellows Coupling
      BCLK21-5/8"-9MM-A
      As low as $121.17 $177.72
      Ruland BCLK21-5/8"-9MM-A, 5/8" x 9mm Bellows Coupling with Keyways, Increased Misalignment, Aluminum, 1.313" (33.3mm) OD, 1.962" (49.8mm) Length
      Add to Compare
    14. Ruland BCLK21-8MM-5/16"-A, Bellows Coupling
      BCLK21-8MM-5/16"-A
      As low as $121.17 $177.72
      Ruland BCLK21-8MM-5/16"-A, 8mm x 5/16" Bellows Coupling with Keyways, Increased Misalignment, Aluminum, 1.313" (33.3mm) OD, 1.962" (49.8mm) Length
      Add to Compare
    15. Ruland BCLK21-9MM-5/16"-A, Bellows Coupling
      BCLK21-9MM-5/16"-A
      As low as $121.17 $177.72
      Ruland BCLK21-9MM-5/16"-A, 9mm x 5/16" Bellows Coupling with Keyways, Increased Misalignment, Aluminum, 1.313" (33.3mm) OD, 1.962" (49.8mm) Length
      Add to Compare
    16. Ruland BCLK26-1/2"-10MM-A, Bellows Coupling
      BCLK26-1/2"-10MM-A
      As low as $144.76 $212.31
      Ruland BCLK26-1/2"-10MM-A, 1/2" x 10mm Bellows Coupling with Keyways, Increased Misalignment, Aluminum, 1.625" (41.3mm), OD 2.316" (58.8 mm) length
      Add to Compare
    17. Ruland BCLK26-1/2"-11MM-A, Bellows Coupling
      BCLK26-1/2"-11MM-A
      As low as $144.76 $212.31
      Ruland BCLK26-1/2"-11MM-A, 1/2" x 11mm Bellows Coupling with Keyways, Increased Misalignment, Aluminum, 1.625" (41.3mm), OD 2.316" (58.8 mm) length
      Add to Compare
    18. Ruland BCLK26-1/2"-12MM-A, Bellows Coupling
      BCLK26-1/2"-12MM-A
      As low as $144.76 $212.31
      Ruland BCLK26-1/2"-12MM-A, 1/2" x 12mm Bellows Coupling with Keyways, Increased Misalignment, Aluminum, 1.625" (41.3mm), OD 2.316" (58.8 mm) length
      Add to Compare
    19. Ruland BCLK26-10MM-3/8"-A, Bellows Coupling
      BCLK26-10MM-3/8"-A
      As low as $144.76 $212.31
      Ruland BCLK26-10MM-3/8"-A, 10mm x 3/8" Bellows Coupling with Keyways, Increased Misalignment, Aluminum, 1.625" (41.3mm), OD 2.316" (58.8 mm) length
      Add to Compare
    20. Ruland BCLK26-11MM-3/8"-A, Bellows Coupling
      BCLK26-11MM-3/8"-A
      As low as $144.76 $212.31
      Ruland BCLK26-11MM-3/8"-A, 11mm x 3/8" Bellows Coupling with Keyways, Increased Misalignment, Aluminum, 1.625" (41.3mm), OD 2.316" (58.8 mm) length
      Add to Compare
    21. Ruland BCLK26-12MM-3/8"-A, Bellows Coupling
      BCLK26-12MM-3/8"-A
      As low as $144.76 $212.31
      Ruland BCLK26-12MM-3/8"-A, 12mm x 3/8" Bellows Coupling with Keyways, Increased Misalignment, Aluminum, 1.625" (41.3mm), OD 2.316" (58.8 mm) length
      Add to Compare
    22. Ruland BCLK26-13MM-1/2"-A, Bellows Coupling
      BCLK26-13MM-1/2"-A
      As low as $144.76 $212.31
      Ruland BCLK26-13MM-1/2"-A, 13mm x 1/2" Bellows Coupling with Keyways, Increased Misalignment, Aluminum, 1.625" (41.3mm), OD 2.316" (58.8 mm) length
      Add to Compare
    23. Ruland BCLK26-13MM-3/8"-A, Bellows Coupling
      BCLK26-13MM-3/8"-A
      As low as $144.76 $212.31
      Ruland BCLK26-13MM-3/8"-A, 13mm x 3/8" Bellows Coupling with Keyways, Increased Misalignment, Aluminum, 1.625" (41.3mm), OD 2.316" (58.8 mm) length
      Add to Compare
    24. Ruland BCLK26-14MM-1/2"-A, Bellows Coupling
      BCLK26-14MM-1/2"-A
      As low as $144.76 $212.31
      Ruland BCLK26-14MM-1/2"-A, 14mm x 1/2" Bellows Coupling with Keyways, Increased Misalignment, Aluminum, 1.625" (41.3mm), OD 2.316" (58.8 mm) length
      Add to Compare
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