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    Disc Coupling - Inch to Metric, Single

    Features

    • High torque
    • Balanced design for high RPM
    • Low Inertia
    • No maintenance
    • High torsional stiffness
    • Constant velocity
    • Long life
    • Zero backlash
    • RoHS3 and REACH Compliant
    • Maximum speed: 10,000 RPM
    • Bore tolerance:
      +.001 in / -.000 in
      +.03mm/–.000mm
    • Temperature Range: -10°F to 200°F
    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 73-96 of 534

    Set Descending Direction
    1. Ruland DCS21-15MM-1/2"-A, Single Disc Coupling
      DCS21-15MM-1/2"-A
      As low as $68.41 $100.34
      Ruland DCS21-15MM-1/2"-A, 15mm x 1/2" Single Disc Coupling, Aluminum, Clamp Style, 1.313" (33.3mm) OD, 1.313" (33.3mm) Length
      Add to Compare
    2. Ruland DCS21-15MM-3/8"-A, Single Disc Coupling
      DCS21-15MM-3/8"-A
      As low as $68.41 $100.34
      Ruland DCS21-15MM-3/8"-A, 15mm x 3/8" Single Disc Coupling, Aluminum, Clamp Style, 1.313" (33.3mm) OD, 1.313" (33.3mm) Length
      Add to Compare
    3. Ruland DCS21-15MM-5/16"-A, Single Disc Coupling
      DCS21-15MM-5/16"-A
      As low as $68.41 $100.34
      Ruland DCS21-15MM-5/16"-A, 15mm x 5/16" Single Disc Coupling, Aluminum, Clamp Style, 1.313" (33.3mm) OD, 1.313" (33.3mm) Length
      Add to Compare
    4. Ruland DCS21-16MM-1/2"-A, Single Disc Coupling
      DCS21-16MM-1/2"-A
      As low as $68.41 $100.34
      Ruland DCS21-16MM-1/2"-A, 16mm x 1/2" Single Disc Coupling, Aluminum, Clamp Style, 1.313" (33.3mm) OD, 1.313" (33.3mm) Length
      Add to Compare
    5. Ruland DCS21-16MM-3/8"-A, Single Disc Coupling
      DCS21-16MM-3/8"-A
      As low as $68.41 $100.34
      Ruland DCS21-16MM-3/8"-A, 16mm x 3/8" Single Disc Coupling, Aluminum, Clamp Style, 1.313" (33.3mm) OD, 1.313" (33.3mm) Length
      Add to Compare
    6. Ruland DCS21-16MM-5/16"-A, Single Disc Coupling
      DCS21-16MM-5/16"-A
      As low as $68.41 $100.34
      Ruland DCS21-16MM-5/16"-A, 16mm x 5/16" Single Disc Coupling, Aluminum, Clamp Style, 1.313" (33.3mm) OD, 1.313" (33.3mm) Length
      Add to Compare
    7. Ruland DCS21-16MM-5/8"-A, Single Disc Coupling
      DCS21-16MM-5/8"-A
      As low as $68.41 $100.34
      Ruland DCS21-16MM-5/8"-A, 16mm x 5/8" Single Disc Coupling, Aluminum, Clamp Style, 1.313" (33.3mm) OD, 1.313" (33.3mm) Length
      Add to Compare
    8. Ruland DCS21-3/8"-8MM-A, Single Disc Coupling
      DCS21-3/8"-8MM-A
      As low as $68.41 $100.34
      Ruland DCS21-3/8"-8MM-A, 3/8" x 8mm Single Disc Coupling, Aluminum, Clamp Style, 1.313" (33.3mm) OD, 1.313" (33.3mm) Length
      Add to Compare
    9. Ruland DCS21-3/8"-9MM-A, Single Disc Coupling
      DCS21-3/8"-9MM-A
      As low as $68.41 $100.34
      Ruland DCS21-3/8"-9MM-A, 3/8" x 9mm Single Disc Coupling, Aluminum, Clamp Style, 1.313" (33.3mm) OD, 1.313" (33.3mm) Length
      Add to Compare
    10. Ruland DCS21-5/8"-10MM-A, Single Disc Coupling
      DCS21-5/8"-10MM-A
      As low as $68.41 $100.34
      Ruland DCS21-5/8"-10MM-A, 5/8" x 10mm Single Disc Coupling, Aluminum, Clamp Style, 1.313" (33.3mm) OD, 1.313" (33.3mm) Length
      Add to Compare
    11. Ruland DCS21-5/8"-11MM-A, Single Disc Coupling
      DCS21-5/8"-11MM-A
      As low as $68.41 $100.34
      Ruland DCS21-5/8"-11MM-A, 5/8" x 11mm Single Disc Coupling, Aluminum, Clamp Style, 1.313" (33.3mm) OD, 1.313" (33.3mm) Length
      Add to Compare
    12. Ruland DCS21-5/8"-12MM-A, Single Disc Coupling
      DCS21-5/8"-12MM-A
      As low as $68.41 $100.34
      Ruland DCS21-5/8"-12MM-A, 5/8" x 12mm Single Disc Coupling, Aluminum, Clamp Style, 1.313" (33.3mm) OD, 1.313" (33.3mm) Length
      Add to Compare
    13. Ruland DCS21-5/8"-13MM-A, Single Disc Coupling
      DCS21-5/8"-13MM-A
      As low as $68.41 $100.34
      Ruland DCS21-5/8"-13MM-A, 5/8" x 13mm Single Disc Coupling, Aluminum, Clamp Style, 1.313" (33.3mm) OD, 1.313" (33.3mm) Length
      Add to Compare
    14. Ruland DCS21-5/8"-14MM-A, Single Disc Coupling
      DCS21-5/8"-14MM-A
      As low as $68.41 $100.34
      Ruland DCS21-5/8"-14MM-A, 5/8" x 14mm Single Disc Coupling, Aluminum, Clamp Style, 1.313" (33.3mm) OD, 1.313" (33.3mm) Length
      Add to Compare
    15. Ruland DCS21-5/8"-15MM-A, Single Disc Coupling
      DCS21-5/8"-15MM-A
      As low as $68.41 $100.34
      Ruland DCS21-5/8"-15MM-A, 5/8" x 15mm Single Disc Coupling, Aluminum, Clamp Style, 1.313" (33.3mm) OD, 1.313" (33.3mm) Length
      Add to Compare
    16. Ruland DCS21-5/8"-8MM-A, Single Disc Coupling
      DCS21-5/8"-8MM-A
      As low as $68.41 $100.34
      Ruland DCS21-5/8"-8MM-A, 5/8" x 8mm Single Disc Coupling, Aluminum, Clamp Style, 1.313" (33.3mm) OD, 1.313" (33.3mm) Length
      Add to Compare
    17. Ruland DCS21-5/8"-9MM-A, Single Disc Coupling
      DCS21-5/8"-9MM-A
      As low as $68.41 $100.34
      Ruland DCS21-5/8"-9MM-A, 5/8" x 9mm Single Disc Coupling, Aluminum, Clamp Style, 1.313" (33.3mm) OD, 1.313" (33.3mm) Length
      Add to Compare
    18. Ruland DCS21-8MM-5/16"-A, Single Disc Coupling
      DCS21-8MM-5/16"-A
      As low as $68.41 $100.34
      Ruland DCS21-8MM-5/16"-A, 8mm x 5/16" Single Disc Coupling, Aluminum, Clamp Style, 1.313" (33.3mm) OD, 1.313" (33.3mm) Length
      Add to Compare
    19. Ruland DCS21-9MM-5/16"-A, Single Disc Coupling
      DCS21-9MM-5/16"-A
      As low as $68.41 $100.34
      Ruland DCS21-9MM-5/16"-A, 9mm x 5/16" Single Disc Coupling, Aluminum, Clamp Style, 1.313" (33.3mm) OD, 1.313" (33.3mm) Length
      Add to Compare
    20. Ruland DCS26-1/2"-10MM-A, Single Disc Coupling
      DCS26-1/2"-10MM-A
      As low as $77.38 $113.49
      Ruland DCS26-1/2"-10MM-A, 1/2" x 10mm Single Disc Coupling, Aluminum, Clamp Style, 1.625" (41.3mm) OD, 1.563" (39.7mm) Length
      Add to Compare
    21. Ruland DCS26-1/2"-11MM-A, Single Disc Coupling
      DCS26-1/2"-11MM-A
      As low as $77.38 $113.49
      Ruland DCS26-1/2"-11MM-A, 1/2" x 11mm Single Disc Coupling, Aluminum, Clamp Style, 1.625" (41.3mm) OD, 1.563" (39.7mm) Length
      Add to Compare
    22. Ruland DCS26-1/2"-12MM-A, Single Disc Coupling
      DCS26-1/2"-12MM-A
      As low as $77.38 $113.49
      Ruland DCS26-1/2"-12MM-A, 1/2" x 12mm Single Disc Coupling, Aluminum, Clamp Style, 1.625" (41.3mm) OD, 1.563" (39.7mm) Length
      Add to Compare
    23. Ruland DCS26-10MM-3/8"-A, Single Disc Coupling
      DCS26-10MM-3/8"-A
      As low as $77.38 $113.49
      Ruland DCS26-10MM-3/8"-A, 10mm x 3/8" Single Disc Coupling, Aluminum, Clamp Style, 1.625" (41.3mm) OD, 1.563" (39.7mm) Length
      Add to Compare
    24. Ruland DCS26-11MM-3/8"-A, Single Disc Coupling
      DCS26-11MM-3/8"-A
      As low as $77.38 $113.49
      Ruland DCS26-11MM-3/8"-A, 11mm x 3/8" Single Disc Coupling, Aluminum, Clamp Style, 1.625" (41.3mm) OD, 1.563" (39.7mm) Length
      Add to Compare
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    Browse By

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    Shopping Options
    Bore Type
    Bore (B1)
    1. 0.1250 in 1 item
    2. 0.1875 in 3 items
    3. 0.2500 in 8 items
    4. 0.3125 in 6 items
    5. 0.3750 in 12 items
    6. 0.5000 in 32 items
    7. 0.6250 in 40 items
    8. 0.7500 in 48 items
    9. 0.8750 in 36 items
    10. 1.0000 in 44 items
    11. 1.1250 in 22 items
    12. 1.2500 in 24 items
    13. 4 mm 1 item
    14. 5 mm 3 items
    15. 6 mm 3 items
    16. 7 mm 3 items
    17. 8 mm 9 items
    18. 9 mm 6 items
    19. 10 mm 12 items
    20. 11 mm 12 items
    21. 12 mm 12 items
    22. 13 mm 12 items
    23. 14 mm 14 items
    24. 15 mm 14 items
    25. 16 mm 22 items
    26. 17 mm 14 items
    27. 18 mm 14 items
    28. 19 mm 14 items
    29. 20 mm 20 items
    30. 22 mm 12 items
    31. 24 mm 16 items
    32. 25 mm 16 items
    33. 28 mm 10 items
    34. 30 mm 12 items
    35. 32 mm 7 items
    Small Bore (B2)
    1. 0.1250 in 3 items
    2. 0.1875 in 6 items
    3. 0.2500 in 13 items
    4. 0.3125 in 29 items
    5. 0.3750 in 42 items
    6. 0.5000 in 71 items
    7. 0.6250 in 49 items
    8. 0.7500 in 23 items
    9. 0.8750 in 13 items
    10. 1.0000 in 5 items
    11. 1.1250 in 3 items
    12. 1.2500 in 1 item
    13. 3 mm 3 items
    14. 4 mm 5 items
    15. 5 mm 3 items
    16. 6 mm 9 items
    17. 7 mm 6 items
    18. 8 mm 10 items
    19. 9 mm 10 items
    20. 10 mm 12 items
    21. 11 mm 12 items
    22. 12 mm 22 items
    23. 13 mm 14 items
    24. 14 mm 26 items
    25. 15 mm 26 items
    26. 16 mm 18 items
    27. 17 mm 18 items
    28. 18 mm 18 items
    29. 19 mm 18 items
    30. 20 mm 12 items
    31. 22 mm 12 items
    32. 24 mm 8 items
    33. 25 mm 8 items
    34. 28 mm 4 items
    35. 30 mm 2 items
    Keyway
    1. No 286 items
    2. Yes 248 items
    Outer Diameter (OD)
    1. 0.590 in (15.0 mm) 12 items
    2. 0.750 in (19.1 mm) 15 items
    3. 1.000 in (25.4 mm) 52 items
    4. 1.313 in (33.3 mm) 72 items
    5. 1.625 in (41.3 mm) 88 items
    6. 2.000 in (50.8 mm) 120 items
    7. 2.250 in (57.2 mm) 175 items
    Length (L)
    1. 0.719 in (18.3 mm) 12 items
    2. 0.906 in (23.0 mm) 15 items
    3. 1.031 in (26.2 mm) 52 items
    4. 1.313 in (33.3 mm) 72 items
    5. 1.563 in (39.7 mm) 88 items
    6. 1.813 in (46.1 mm) 120 items
    7. 2.313 in (58.8 mm) 175 items
    Static Torque
    1. 15 lb-in (1.7 Nm) 12 items
    2. 25 lb-in (2.8 Nm) 15 items
    3. 50 lb-in (5.6 Nm) 52 items
    4. 100 lb-in (11.3 Nm) 72 items
    5. 180 lb-in (20.3 Nm) 88 items
    6. 350 lb-in (39.6 Nm) 120 items
    7. 450 lb-in (50.9 Nm) 175 items
    Angular Misalignment
    1. 0.5° 12 items
    2. 1.0° 522 items
    Axial Motion
    1. 0.002 in (0.05 mm) 12 items
    2. 0.004 in (0.10 mm) 15 items
    3. 0.006 in (0.15 mm) 52 items
    4. 0.008 in (0.20 mm) 72 items
    5. 0.010 in (0.25 mm) 88 items
    6. 0.012 in (0.30 mm) 120 items
    7. 0.015 in (0.38 mm) 175 items
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