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    Bellows Couplings for Conveyors

    Bellows couplings are comprised of two anodized aluminum hubs mounted to a stainless steel bellows creating a low inertia zero-backlash coupling that is well suited for speeds up to 10,000 RPM. The thin wall of the bellows allows the coupling to remain flexible under misalignment conditions while maintaining rigidity under torsional loads. Precision conveyors for semiconductor such pallet conveyors often require high speed and torque, which are two of the primary benefits of using a bellows coupling. These conveyors may be positioning sensitive items worth tens of thousands of dollars or more. Size for size, bellows are the stiffest flexible coupling Ruland offers reducing the likelihood of vibration or windup adversely impacting the system. Bellows couplings are manufactured in our Marlborough, Massachusetts factory in bore sizes ranging from 1/8” to 1” or 3mm to 25mm.

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    1. Ruland BCK16-1/2"-10MM-A, Bellows Coupling
      BCK16-1/2"-10MM-A
      As low as $104.27 $152.92
      Ruland BCK16-1/2"-10MM-A, 1/2" x 10mm Bellows Coupling with Keyways, High Stiffness, Aluminum, 1.000" (25.4mm), OD 1.345" (34.2mm) Length
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    2. Ruland BCK16-1/2"-11MM-A, Bellows Coupling
      BCK16-1/2"-11MM-A
      As low as $104.27 $152.92
      Ruland BCK16-1/2"-11MM-A, 1/2" x 11mm Bellows Coupling with Keyways, High Stiffness, Aluminum, 1.000" (25.4mm), OD 1.345" (34.2mm) Length
      Add to Compare
    3. Ruland BCK16-1/2"-12MM-A, Bellows Coupling
      BCK16-1/2"-12MM-A
      As low as $104.27 $152.92
      Ruland BCK16-1/2"-12MM-A, 1/2" x 12mm Bellows Coupling with Keyways, High Stiffness, Aluminum, 1.000" (25.4mm), OD 1.345" (34.2mm) Length
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    4. Ruland BCK16-1/2"-6MM-A, Bellows Coupling
      BCK16-1/2"-6MM-A
      As low as $104.27 $152.92
      Ruland BCK16-1/2"-6MM-A, 1/2" x 6mm Bellows Coupling with Keyways, High Stiffness, Aluminum, 1.000" (25.4mm), OD 1.345" (34.2mm) Length
      Add to Compare
    5. Ruland BCK16-1/2"-7MM-A, Bellows Coupling
      BCK16-1/2"-7MM-A
      As low as $104.27 $152.92
      Ruland BCK16-1/2"-7MM-A, 1/2" x 7mm Bellows Coupling with Keyways, High Stiffness, Aluminum, 1.000" (25.4mm), OD 1.345" (34.2mm) Length
      Add to Compare
    6. Ruland BCK16-1/2"-8MM-A, Bellows Coupling
      BCK16-1/2"-8MM-A
      As low as $104.27 $152.92
      Ruland BCK16-1/2"-8MM-A, 1/2" x 8mm Bellows Coupling with Keyways, High Stiffness, Aluminum, 1.000" (25.4mm), OD 1.345" (34.2mm) Length
      Add to Compare
    7. Ruland BCK16-1/2"-9MM-A, Bellows Coupling
      BCK16-1/2"-9MM-A
      As low as $104.27 $152.92
      Ruland BCK16-1/2"-9MM-A, 1/2" x 9mm Bellows Coupling with Keyways, High Stiffness, Aluminum, 1.000" (25.4mm), OD 1.345" (34.2mm) Length
      Add to Compare
    8. Ruland BCK16-10MM-1/4"-A, Bellows Coupling
      BCK16-10MM-1/4"-A
      As low as $104.27 $152.92
      Ruland BCK16-10MM-1/4"-A, 10mm x 1/4" Bellows Coupling with Keyways, High Stiffness, Aluminum, 1.000" (25.4mm), OD 1.345" (34.2mm) Length
      Add to Compare
    9. Ruland BCK16-10MM-3/8"-A, Bellows Coupling
      BCK16-10MM-3/8"-A
      As low as $104.27 $152.92
      Ruland BCK16-10MM-3/8"-A, 10mm x 3/8" Bellows Coupling with Keyways, High Stiffness, Aluminum, 1.000" (25.4mm), OD 1.345" (34.2mm) Length
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    10. Ruland BCK16-10MM-5/16"-A, Bellows Coupling
      BCK16-10MM-5/16"-A
      As low as $104.27 $152.92
      Ruland BCK16-10MM-5/16"-A, 10mm x 5/16" Bellows Coupling with Keyways, High Stiffness, Aluminum, 1.000" (25.4mm), OD 1.345" (34.2mm) Length
      Add to Compare
    11. Ruland BCK16-11MM-1/4"-A, Bellows Coupling
      BCK16-11MM-1/4"-A
      As low as $104.27 $152.92
      Ruland BCK16-11MM-1/4"-A, 11mm x 1/4" Bellows Coupling with Keyways, High Stiffness, Aluminum, 1.000" (25.4mm), OD 1.345" (34.2mm) Length
      Add to Compare
    12. Ruland BCK16-11MM-3/8"-A, Bellows Coupling
      BCK16-11MM-3/8"-A
      As low as $104.27 $152.92
      Ruland BCK16-11MM-3/8"-A, 11mm x 3/8" Bellows Coupling with Keyways, High Stiffness, Aluminum, 1.000" (25.4mm), OD 1.345" (34.2mm) Length
      Add to Compare
    13. Ruland BCK16-11MM-5/16"-A, Bellows Coupling
      BCK16-11MM-5/16"-A
      As low as $104.27 $152.92
      Ruland BCK16-11MM-5/16"-A, 11mm x 5/16" Bellows Coupling with Keyways, High Stiffness, Aluminum, 1.000" (25.4mm), OD 1.345" (34.2mm) Length
      Add to Compare
    14. Ruland BCK16-12MM-1/4"-A, Bellows Coupling
      BCK16-12MM-1/4"-A
      As low as $104.27 $152.92
      Ruland BCK16-12MM-1/4"-A, 12mm x 1/4" Bellows Coupling with Keyways, High Stiffness, Aluminum, 1.000" (25.4mm), OD 1.345" (34.2mm) Length
      Add to Compare
    15. Ruland BCK16-12MM-3/8"-A, Bellows Coupling
      BCK16-12MM-3/8"-A
      As low as $104.27 $152.92
      Ruland BCK16-12MM-3/8"-A, 12mm x 3/8" Bellows Coupling with Keyways, High Stiffness, Aluminum, 1.000" (25.4mm), OD 1.345" (34.2mm) Length
      Add to Compare
    16. Ruland BCK16-12MM-5/16"-A, Bellows Coupling
      BCK16-12MM-5/16"-A
      As low as $104.27 $152.92
      Ruland BCK16-12MM-5/16"-A, 12mm x 5/16" Bellows Coupling with Keyways, High Stiffness, Aluminum, 1.000" (25.4mm), OD 1.345" (34.2mm) Length
      Add to Compare
    17. Ruland BCK16-3/8"-6MM-A, Bellows Coupling
      BCK16-3/8"-6MM-A
      As low as $104.27 $152.92
      Ruland BCK16-3/8"-6MM-A, 3/8" x 6mm Bellows Coupling with Keyways, High Stiffness, Aluminum, 1.000" (25.4mm), OD 1.345" (34.2mm) Length
      Add to Compare
    18. Ruland BCK16-3/8"-7MM-A, Bellows Coupling
      BCK16-3/8"-7MM-A
      As low as $104.27 $152.92
      Ruland BCK16-3/8"-7MM-A, 3/8" x 7mm Bellows Coupling with Keyways, High Stiffness, Aluminum, 1.000" (25.4mm), OD 1.345" (34.2mm) Length
      Add to Compare
    19. Ruland BCK16-3/8"-8MM-A, Bellows Coupling
      BCK16-3/8"-8MM-A
      As low as $104.27 $152.92
      Ruland BCK16-3/8"-8MM-A, 3/8" x 8mm Bellows Coupling with Keyways, High Stiffness, Aluminum, 1.000" (25.4mm), OD 1.345" (34.2mm) Length
      Add to Compare
    20. Ruland BCK16-3/8"-9MM-A, Bellows Coupling
      BCK16-3/8"-9MM-A
      As low as $104.27 $152.92
      Ruland BCK16-3/8"-9MM-A, 3/8" x 9mm Bellows Coupling with Keyways, High Stiffness, Aluminum, 1.000" (25.4mm), OD 1.345" (34.2mm) Length
      Add to Compare
    21. 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
      Add to Compare
    22. 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
      Add to Compare
    23. 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
      Add to Compare
    24. 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
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