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    Bellows Couplings for Automation & Linear Motion

    Ruland bellows couplings are made of two lightweight anodized aluminum hubs joined by a flexible stainless steel bellows. The thin walls of the bellows allow the coupling to flex under misalignment while remaining rigid under torsional loads. Engineers designing precision linear 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.

    Ruland manufactures bellows couplings with a low inertia, zero-backlash design, making them a suitable option for high torque applications where a rigid coupling is not feasible due to weight or misalignment requirements. 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.

    Products

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    Items 1-12 of 1336

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    1. Ruland BC10-1/4"-3MM-A, Bellows Coupling
      BC10-1/4"-3MM-A
      As low as $85.99 $126.12
      Ruland BC10-1/4"-3MM-A, 1/4" x 3mm Bellows Coupling, High Stiffness, Aluminum, 0.590" (15.0mm), OD 1.076" (27.3mm) Length
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    2. Ruland BC10-1/4"-4MM-A, Bellows Coupling
      BC10-1/4"-4MM-A
      As low as $85.99 $126.12
      Ruland BC10-1/4"-4MM-A, 1/4" x 4mm Bellows Coupling, High Stiffness, Aluminum, 0.590" (15.0mm), OD 1.076" (27.3mm) Length
      Add to Compare
    3. Ruland BC10-1/4"-5MM-A, Bellows Coupling
      BC10-1/4"-5MM-A
      As low as $85.99 $126.12
      Ruland BC10-1/4"-5MM-A, 1/4" x 5mm Bellows Coupling, High Stiffness, Aluminum, 0.590" (15.0mm), OD 1.076" (27.3mm) Length
      Add to Compare
    4. Ruland BC10-1/4"-6MM-A, Bellows Coupling
      BC10-1/4"-6MM-A
      As low as $85.99 $126.12
      Ruland BC10-1/4"-6MM-A, 1/4" x 6mm Bellows Coupling, High Stiffness, Aluminum, 0.590" (15.0mm), OD 1.076" (27.3mm) Length
      Add to Compare
    5. Ruland BC10-1/8"-3MM-A, Bellows Coupling
      BC10-1/8"-3MM-A
      As low as $85.99 $126.12
      Ruland BC10-1/8"-3MM-A, 1/8" x 3mm Bellows Coupling, High Stiffness, Aluminum, 0.590" (15.0mm), OD 1.076" (27.3mm) Length
      Add to Compare
    6. Ruland BC10-2-2-A, Bellows Coupling
      BC10-2-2-A
      As low as $85.99 $126.12
      Ruland BC10-2-2-A, 1/8" x 1/8" Bellows Coupling, High Stiffness, Aluminum, 0.590", OD 1.076" Length
      Add to Compare
    7. Ruland BC10-3-2-A, Bellows Coupling
      BC10-3-2-A
      As low as $85.99 $126.12
      Ruland BC10-3-2-A, 3/16" x 1/8" Bellows Coupling, High Stiffness, Aluminum, 0.590", OD 1.076" Length
      Add to Compare
    8. Ruland BC10-3-3-A, Bellows Coupling
      BC10-3-3-A
      As low as $85.99 $126.12
      Ruland BC10-3-3-A, 3/16" x 3/16" Bellows Coupling, High Stiffness, Aluminum, 0.590", OD 1.076" Length
      Add to Compare
    9. Ruland BC10-3/16"-3MM-A, Bellows Coupling
      BC10-3/16"-3MM-A
      As low as $85.99 $126.12
      Ruland BC10-3/16"-3MM-A, 3/16" x 3mm Bellows Coupling, High Stiffness, Aluminum, 0.590" (15.0mm), OD 1.076" (27.3mm) Length
      Add to Compare
    10. Ruland BC10-3/16"-4MM-A, Bellows Coupling
      BC10-3/16"-4MM-A
      As low as $85.99 $126.12
      Ruland BC10-3/16"-4MM-A, 3/16" x 4mm Bellows Coupling, High Stiffness, Aluminum, 0.590" (15.0mm), OD 1.076" (27.3mm) Length
      Add to Compare
    11. Ruland BC10-4-2-A, Bellows Coupling
      BC10-4-2-A
      As low as $85.99 $126.12
      Ruland BC10-4-2-A, 1/4" x 1/8" Bellows Coupling, High Stiffness, Aluminum, 0.590", OD 1.076" Length
      Add to Compare
    12. Ruland BC10-4-3-A, Bellows Coupling
      BC10-4-3-A
      As low as $85.99 $126.12
      Ruland BC10-4-3-A, 1/4" x 3/16" Bellows Coupling, High Stiffness, Aluminum, 0.590", OD 1.076" Length
      Add to Compare
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    Browse By

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    Shopping Options
    Bore Type
    Unit of Measurement
    1. Inch 154 items
    2. Inch/Metric 541 items
    3. Metric 641 items
    Bore (B1)
    1. 0.1250 in 2 items
    2. 0.1875 in 6 items
    3. 0.2500 in 14 items
    4. 0.3125 in 12 items
    5. 0.3750 in 24 items
    6. 0.5000 in 54 items
    7. 0.6250 in 62 items
    8. 0.7500 in 68 items
    9. 0.8750 in 52 items
    10. 1.0000 in 64 items
    11. 1.1250 in 34 items
    12. 1.2500 in 38 items
    13. 3 mm 1 item
    14. 4 mm 4 items
    15. 5 mm 8 items
    16. 6 mm 11 items
    17. 7 mm 11 items
    18. 8 mm 22 items
    19. 9 mm 18 items
    20. 10 mm 30 items
    21. 11 mm 36 items
    22. 12 mm 44 items
    23. 13 mm 36 items
    24. 14 mm 46 items
    25. 15 mm 54 items
    26. 16 mm 70 items
    27. 17 mm 50 items
    28. 18 mm 56 items
    29. 19 mm 62 items
    30. 20 mm 74 items
    31. 21 mm 1 item
    32. 22 mm 48 items
    33. 24 mm 56 items
    34. 25 mm 60 items
    35. 28 mm 32 items
    36. 30 mm 36 items
    37. 32 mm 40 items
    Small Bore (B2)
    1. 0.1250 in 6 items
    2. 0.1875 in 11 items
    3. 0.2500 in 22 items
    4. 0.3125 in 42 items
    5. 0.3750 in 60 items
    6. 0.5000 in 108 items
    7. 0.6250 in 76 items
    8. 0.7500 in 42 items
    9. 0.8750 in 26 items
    10. 1.0000 in 14 items
    11. 1.1250 in 8 items
    12. 1.2500 in 4 items
    13. 3 mm 7 items
    14. 4 mm 13 items
    15. 5 mm 9 items
    16. 6 mm 26 items
    17. 7 mm 20 items
    18. 8 mm 39 items
    19. 9 mm 34 items
    20. 10 mm 54 items
    21. 11 mm 48 items
    22. 12 mm 76 items
    23. 13 mm 60 items
    24. 14 mm 92 items
    25. 15 mm 84 items
    26. 16 mm 68 items
    27. 17 mm 60 items
    28. 18 mm 54 items
    29. 19 mm 49 items
    30. 20 mm 36 items
    31. 22 mm 30 items
    32. 24 mm 22 items
    33. 25 mm 18 items
    34. 28 mm 10 items
    35. 30 mm 6 items
    36. 32 mm 2 items
    Keyway
    1. No 705 items
    2. Yes 631 items
    Outer Diameter (OD)
    1. 0.590 in (15.0 mm) 28 items
    2. 0.750 in (19.1 mm) 36 items
    3. 1.000 in (25.4 mm) 124 items
    4. 1.313 in (33.3 mm) 181 items
    5. 1.625 in (41.3 mm) 240 items
    6. 2.000 in (50.8 mm) 307 items
    7. 2.250 in (57.2 mm) 420 items
    Length (L)
    1. 1.076 in (27.3 mm) 28 items
    2. 1.306 in (33.2 mm) 36 items
    3. 1.345 in (34.2 mm) 124 items
    4. 1.700 in (43.2 mm) 181 items
    5. 2.035 in (51.7 mm) 240 items
    6. 2.413 in (61.3 mm) 307 items
    7. 3.235 in (82.2 mm) 420 items
    Static Torque
    1. 2.5 Nm 10 items
    2. 4.5 Nm 15 items
    3. 6.8 Nm 55 items
    4. 13.6 Nm 90 items
    5. 28.0 Nm 132 items
    6. 45.2 Nm 157 items
    7. 60.00 Nm 182 items
    8. 22 lb-in 6 items
    9. 40 lb-in 6 items
    10. 60 lb-in 17 items
    11. 120 lb-in 19 items
    12. 250 lb-in 20 items
    13. 400 lb-in 30 items
    14. 530 lb-in 56 items
    15. 22 lb-in (2.5 Nm) 12 items
    16. 40 lb-in (4.5 Nm) 15 items
    17. 60 lb-in (6.8 Nm) 52 items
    18. 120 lb-in (13.6 Nm) 72 items
    19. 250 lb-in (28.0 Nm) 88 items
    20. 400 lb-in (45.2 Nm) 120 items
    21. 530 lb-in (60.00 Nm) 182 items
    Angular Misalignment
    1. 1.5° 369 items
    2. 2.0° 967 items
    Parallel Misalignment
    1. 0.004 in 29 items
    2. 0.006 in 19 items
    3. 0.010 in 50 items
    4. 0.012 in 56 items
    5. 0.004 in (0.10 mm) 79 items
    6. 0.006 in (0.15 mm) 72 items
    7. 0.010 in (0.25 mm) 208 items
    8. 0.012 in (0.30 mm) 182 items
    9. 0.10 mm 80 items
    10. 0.15 mm 90 items
    11. 0.25 mm 289 items
    12. 0.30 mm 182 items
    Axial Motion
    1. 0.008 in 6 items
    2. 0.010 in 6 items
    3. 0.012 in 17 items
    4. 0.016 in 19 items
    5. 0.020 in 50 items
    6. 0.030 in 56 items
    7. 0.008 in (0.20 mm) 12 items
    8. 0.010 in (0.25 mm) 15 items
    9. 0.012 in (0.30 mm) 52 items
    10. 0.016 in (0.40 mm) 72 items
    11. 0.020 in (0.51 mm) 208 items
    12. 0.030 in (0.76 mm) 182 items
    13. 0.20 mm 10 items
    14. 0.25 mm 15 items
    15. 0.30 mm 55 items
    16. 0.40 mm 90 items
    17. 0.50 mm 289 items
    18. 0.75 mm 182 items
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