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Bellows Couplings for Robotic Systems

Ruland zero-backlash bellows couplings are comprised of two anodized aluminum hubs and a flexible stainless steel bellows allowing for a lightweight, high torque solution that is required for many robot designs. The stainless steel bellows remain rigid under torsional loads while accommodating all forms of misalignment. Ruland manufactures bellows couplings with a balanced design for reduced vibration at speeds up to 10,000 RPM.
Bellows coupling have the greatest size-for-size torque and torsional stiffness of any Ruland flexible coupling making them a common choice for surgical robots where high torsional stiffness is preferred to ensure accurate positioning. They are available in clamp and set screw hubs with or without keyways in bore sizes from 1/8” to 1” and 3mm to 25mm.

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Items 1-24 of 27

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  1. Ruland CL-31-A, One-Piece Shaft Collar
    CL-31-A
    As low as $25.88 $37.95
    Ruland CL-31-A, 1 15/16" One-Piece Shaft Collar, Aluminum, Clamp Style, 3" OD, 0.688" Width
  2. Ruland CL-31-F, One-Piece Shaft Collar
    CL-31-F
    As low as $17.97 $26.36
    Ruland CL-31-F, 1 15/16" One-Piece Shaft Collar, Black Oxide Steel, Clamp Style, 3" OD, 0.688" Width
  3. Ruland CL-31-SS, One-Piece Shaft Collar
    CL-31-SS
    As low as $72.22 $105.92
    Ruland CL-31-SS, 1 15/16" One-Piece Shaft Collar, 303 Stainless Steel, Clamp Style, 3" OD, 0.688" Width
  4. Ruland CL-31-ST, One-Piece Shaft Collar
    CL-31-ST
    As low as $102.94 $228.76
    Ruland CL-31-ST, 1 15/16" One-Piece Shaft Collar, 316 Stainless Steel, Clamp Style, 3" OD, 0.688" Width
  5. Ruland LV-MCL-31E-AN, Shaft Collar with Lever
    LV-MCL-31E-AN
    As low as $66.42 $82.53
    Ruland LV-MCL-31E-AN, 1 15/16" One-Piece Shaft Collar with Clamping Lever, Aluminum Collar with Zinc Plated Lever, 78 mm OD, 19 mm Width
  6. Ruland LV-MCL-31E-F, Shaft Collar with Lever
    LV-MCL-31E-F
    As low as $53.59 $63.72
    Ruland LV-MCL-31E-F, 1 15/16" One-Piece Shaft Collar with Clamping Lever, Steel Collar with Zinc Plated Lever, 78mm OD, 19mm Width
  7. Ruland LV-MCL-31E-SS, Shaft Collar with Lever
    LV-MCL-31E-SS
    As low as $129.15 $174.53
    Ruland LV-MCL-31E-SS, 1 15/16" One-Piece Shaft Collar with Clamping Lever, 303 SS Collar with Zinc Plated Lever, 78mm OD, 19mm Width
  8. Ruland LV-MSP-31E-AN, Shaft Collar with Lever
    LV-MSP-31E-AN
    As low as $70.62 $88.69
    Ruland LV-MSP-31E-AN, 1 15/16" Two-Piece Shaft Collar with Clamping Lever, Anodized Aluminum Collar with Zinc Plated Lever, 78mm OD, 19mm Width
  9. Ruland LV-MSP-31E-F, Shaft Collar with Lever
    LV-MSP-31E-F
    As low as $57.92 $70.07
    Ruland LV-MSP-31E-F, 1 15/16" Two-Piece Shaft Collar with Clamping Lever, Steel Collar with Zinc Plated Lever, 78mm OD, 19mm Width
  10. Ruland LV-MSP-31E-SS, Shaft Collar with Lever
    LV-MSP-31E-SS
    As low as $136.44 $185.22
    Ruland LV-MSP-31E-SS, 1 15/16" Two-Piece Shaft Collar with Clamping Lever, 303 SS Collar with Zinc Plated Lever, 78mm OD, 19mm Width
  11. Ruland MCL-31E-AN, International Shaft Collar
    MCL-31E-AN
    As low as $34.52 $50.63
    Ruland MCL-31E-AN, 1 15/16" International Shaft Collar, Anodized Aluminum, One-Piece Clamp Style, 78mm OD, 19mm Width
  12. Ruland MCL-31E-F, International Shaft Collar
    MCL-31E-F
    As low as $21.69 $31.82
    Ruland MCL-31E-F, 1 15/16" International Shaft Collar, Black Oxide Steel, One-Piece Clamp Style, 78mm OD, 19mm Width
  13. Ruland MCL-31E-SS, International Shaft Collar
    MCL-31E-SS
    As low as $97.25 $142.63
    Ruland MCL-31E-SS, 1 15/16" International Shaft Collar, 303 Stainless Steel, One-Piece Clamp Style, 78mm OD, 19mm Width
  14. Ruland MSP-31E-AN, International Shaft Collar
    MSP-31E-AN
    As low as $38.72 $56.79
    Ruland MSP-31E-AN, 1 15/16" International Shaft Collar, Anodized Aluminum, Two-Piece Clamp Style, 78mm OD, 19mm Width
  15. Ruland MSP-31E-F, International Shaft Collar
    MSP-31E-F
    As low as $26.02 $38.17
    Ruland MSP-31E-F, 1 15/16" International Shaft Collar, Black Oxide Steel, Two-Piece Clamp Style, 78mm OD, 19mm Width
  16. Ruland MSP-31E-SS, International Shaft Collar
    MSP-31E-SS
    As low as $104.54 $153.32
    Ruland MSP-31E-SS, 1 15/16" International Shaft Collar, 303 Stainless Steel, Two-Piece Clamp Style, 78mm OD, 19mm Width
  17. Ruland MSP-31E-ST, International Shaft Collar
    MSP-31E-ST
    As low as $136.63 $303.63
    Ruland MSP-31E-ST, 1 15/16" International Shaft Collar, 316 Stainless Steel, Two-Piece Clamp Style, 78mm OD, 19mm Width
  18. Ruland SP-31-A, Two-Piece Shaft Collar
    SP-31-A
    As low as $31.10 $45.61
    Ruland SP-31-A, 1 15/16" Two-Piece Shaft Collar, Aluminum, Clamp Style, 3" OD, 0.688" Width
  19. Ruland SP-31-F, Two-Piece Shaft Collar
    SP-31-F
    As low as $21.21 $31.11
    Ruland SP-31-F, 1 15/16" Two-Piece Shaft Collar, Black Oxide Steel, Clamp Style, 3" OD, 0.688" Width
  20. Ruland SP-31-SS, Two-Piece Shaft Collar
    SP-31-SS
    As low as $80.12 $117.51
    Ruland SP-31-SS, 1 15/16" Two-Piece Shaft Collar, 303 Stainless Steel, Clamp Style, 3" OD, 0.688" Width
  21. Ruland SP-31-ST, Two-Piece Shaft Collar
    SP-31-ST
    As low as $129.91 $288.68
    Ruland SP-31-ST, 1 15/16" Two-Piece Shaft Collar, 316 Stainless Steel, Clamp Style, 3" OD, 0.688" Width
  22. Ruland SPB-31-A, Balanced Shaft Collar
    SPB-31-A
    As low as $34.49 $50.59
    Ruland SPB-31-A, 1 15/16" Balanced Shaft Collar, Aluminum, Two-Piece Clamp Style, 3" OD, 0.688" Width
  23. Ruland SPB-31-F, Balanced Shaft Collar
    SPB-31-F
    As low as $23.53 $34.50
    Ruland SPB-31-F, 1 15/16" Balanced Shaft Collar, Black Oxide Steel, Two-Piece Clamp Style, 3" OD, 0.688" Width
  24. Ruland SPB-31-SS, Balanced Shaft Collar
    SPB-31-SS
    As low as $89.73 $131.61
    Ruland SPB-31-SS, 1 15/16" Balanced Shaft Collar, 303 Stainless Steel, Two-Piece Clamp Style, 3" OD, 0.688" Width
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