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Bellows Couplings for Printing Applications

Ruland bellows couplings are made of two lightweight anodized aluminum hubs joined by a flexible stainless steel bellows creating a low inertia, zero-backlash coupling. The thin walls of the bellows allow the coupling to flex under misalignment while remaining rigid under torsional loads. Engineers designing large format printing systems often prefer to use bellows couplings because they are lightweight, accommodate all forms of misalignment, and have the greatest size-for-size torque and torsional stiffness of any Ruland flexible coupling. Their high torsional stiffness and balanced design is critical in large format printers to prevent banding.
Ruland manufactures bellows couplings with balanced design for reduced vibration at speeds up to 10,000 RPM. They are available in clamp and set screw hubs with or without keyways in bore sizes ranging from 1/8” to 1” and 3mm to 25mm. Ruland bellows couplings are manufactured in our Marlborough, MA factory under strict controls using proprietary processes.

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  1. Ruland BC12-5/16"-7MM-A, Bellows Coupling
    BC12-5/16"-7MM-A
    Ab 72,61 € 106,49 €
    Ruland BC12-5/16"-7MM-A, 5/16" x 7mm Balgkupplung, hoher Torsionssteife, Aluminium, 0,750" (19,1mm) außendurchmesserm, 1,306" (33,2mm) länge
  2. Ruland BC16-1/2"-7MM-A, Bellows Coupling
    BC16-1/2"-7MM-A
    Ab 80,66 € 118,31 €
    Ruland BC16-1/2"-7MM-A, 1/2" x 7mm Balgkupplung, hoher Torsionssteife, Aluminium, 1,000" (25,4mm) außendurchmesserm, 1,345" (34,2mm) länge
  3. Ruland BC16-3/8"-7MM-A, Bellows Coupling
    BC16-3/8"-7MM-A
    Ab 80,66 € 118,31 €
    Ruland BC16-3/8"-7MM-A, 3/8" x 7mm Balgkupplung, hoher Torsionssteife, Aluminium, 1,000" (25,4mm) außendurchmesserm, 1,345" (34,2mm) länge
  4. Ruland BC16-5/16"-7MM-A, Bellows Coupling
    BC16-5/16"-7MM-A
    Ab 80,66 € 118,31 €
    Ruland BC16-5/16"-7MM-A, 5/16" x 7mm Balgkupplung, hoher Torsionssteife, Aluminium, 1,000" (25,4mm) außendurchmesserm, 1,345" (34,2mm) länge
  5. Ruland BCK16-1/2"-7MM-A, Bellows Coupling
    BCK16-1/2"-7MM-A
    Ab 95,77 € 140,46 €
    Ruland BCK16-1/2"-7MM-A, 1/2" x 7mm Balgkupplung mit passfedernuten, hoher Torsionssteife, Aluminium, 1,000" (25,4mm) außendurchmesserm, 1,345" (34,2mm) länge
  6. Ruland BCK16-3/8"-7MM-A, Bellows Coupling
    BCK16-3/8"-7MM-A
    Ab 95,77 € 140,46 €
    Ruland BCK16-3/8"-7MM-A, 3/8" x 7mm Balgkupplung mit passfedernuten, hoher Torsionssteife, Aluminium, 1,000" (25,4mm) außendurchmesserm, 1,345" (34,2mm) länge
  7. Ruland MBC19-7-7-A, Bellows Coupling
    MBC19-7-7-A
    Ab 72,61 € 106,49 €
    Ruland MBC19-7-7-A, 7mm x 7mm Balgkupplung, hoher Torsionssteife, Aluminium, 19,1mm außendurchmesserm, 33,2mm länge
  8. Ruland MBC19-8-7-A, Bellows Coupling
    MBC19-8-7-A
    Ab 72,61 € 106,49 €
    Ruland MBC19-8-7-A, 8mm x 7mm Balgkupplung, hoher Torsionssteife, Aluminium, 19,1mm außendurchmesserm, 33,2mm länge
  9. Ruland MBC25-10-7-A, Bellows Coupling
    MBC25-10-7-A
    Ab 80,66 € 118,31 €
    Ruland MBC25-10-7-A, 10mm x 7mm Balgkupplung, hoher Torsionssteife, Aluminium, 25,4mm außendurchmesserm, 34,2mm länge
  10. Ruland MBC25-11-7-A, Bellows Coupling
    MBC25-11-7-A
    Ab 80,66 € 118,31 €
    Ruland MBC25-11-7-A, 11mm x 7mm Balgkupplung, hoher Torsionssteife, Aluminium, 25,4mm außendurchmesserm, 34,2mm länge
  11. Ruland MBC25-12-7-A, Bellows Coupling
    MBC25-12-7-A
    Ab 80,66 € 118,31 €
    Ruland MBC25-12-7-A, 12mm x 7mm Balgkupplung, hoher Torsionssteife, Aluminium, 25,4mm außendurchmesserm, 34,2mm länge
  12. Ruland MBC25-7-7-A, Bellows Coupling
    MBC25-7-7-A
    Ab 80,66 € 118,31 €
    Ruland MBC25-7-7-A, 7mm x 7mm Balgkupplung, hoher Torsionssteife, Aluminium, 25,4mm außendurchmesserm, 34,2mm länge
  13. Ruland MBC25-8-7-A, Bellows Coupling
    MBC25-8-7-A
    Ab 80,66 € 118,31 €
    Ruland MBC25-8-7-A, 8mm x 7mm Balgkupplung, hoher Torsionssteife, Aluminium, 25,4mm außendurchmesserm, 34,2mm länge
  14. Ruland MBC25-9-7-A, Bellows Coupling
    MBC25-9-7-A
    Ab 80,66 € 118,31 €
    Ruland MBC25-9-7-A, 9mm x 7mm Balgkupplung, hoher Torsionssteife, Aluminium, 25,4mm außendurchmesserm, 34,2mm länge
  15. Ruland MBCK25-10-7-A, Bellows Coupling
    MBCK25-10-7-A
    Ab 95,77 € 140,46 €
    Ruland MBCK25-10-7-A, 10mm x 7mm Balgkupplung mit passfedernuten, hoher Torsionssteife, Aluminium, 25,4mm außendurchmesserm, 34,2mm länge
  16. Ruland MBCK25-11-7-A, Bellows Coupling
    MBCK25-11-7-A
    Ab 95,77 € 140,46 €
    Ruland MBCK25-11-7-A, 11mm x 7mm Balgkupplung mit passfedernuten, hoher Torsionssteife, Aluminium, 25,4mm außendurchmesserm, 34,2mm länge
  17. Ruland MBCK25-12-7-A, Bellows Coupling
    MBCK25-12-7-A
    Ab 95,77 € 140,46 €
    Ruland MBCK25-12-7-A, 12mm x 7mm Balgkupplung mit passfedernuten, hoher Torsionssteife, Aluminium, 25,4mm außendurchmesserm, 34,2mm länge
  18. Ruland MBCK25-7-7-A, Bellows Coupling
    MBCK25-7-7-A
    Ab 95,77 € 140,46 €
    Ruland MBCK25-7-7-A, 7mm x 7mm Balgkupplung mit passfedernuten, hoher Torsionssteife, Aluminium, 25,4mm außendurchmesserm, 34,2mm länge
  19. Ruland MBCK25-8-7-A, Bellows Coupling
    MBCK25-8-7-A
    Ab 95,77 € 140,46 €
    Ruland MBCK25-8-7-A, 8mm x 7mm Balgkupplung mit passfedernuten, hoher Torsionssteife, Aluminium, 25,4mm außendurchmesserm, 34,2mm länge
  20. Ruland MBCK25-9-7-A, Bellows Coupling
    MBCK25-9-7-A
    Ab 95,77 € 140,46 €
    Ruland MBCK25-9-7-A, 9mm x 7mm Balgkupplung mit passfedernuten, hoher Torsionssteife, Aluminium, 25,4mm außendurchmesserm, 34,2mm länge
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