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    Disc Coupling - Inch to Metric

    Double disc couplings with inch to metric bores. Bore sizes range from 1/8" to 1-1/4" and from 4mm to 32mm.

    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 1-24 of 660

    Set Descending Direction
    1. Ruland DCD10-1/4"-3MM-A, Double Disc Coupling
      DCD10-1/4"-3MM-A
      As low as $72.73 $106.67
      Ruland DCD10-1/4"-3MM-A, 1/4" x 3mm Double Disc Coupling, Aluminum, Clamp Style, 0.590" (15.0mm) OD, 0.937" (23.8mm) Length
      Add to Compare
    2. Ruland DCD10-1/4"-4MM-A, Double Disc Coupling
      DCD10-1/4"-4MM-A
      As low as $72.73 $106.67
      Ruland DCD10-1/4"-4MM-A, 1/4" x 4mm Double Disc Coupling, Aluminum, Clamp Style, 0.590" (15.0mm) OD, 0.937" (23.8mm) Length
      Add to Compare
    3. Ruland DCD10-1/4"-5MM-A, Double Disc Coupling
      DCD10-1/4"-5MM-A
      As low as $72.73 $106.67
      Ruland DCD10-1/4"-5MM-A, 1/4" x 5mm Double Disc Coupling, Aluminum, Clamp Style, 0.590" (15.0mm) OD, 0.937" (23.8mm) Length
      Add to Compare
    4. Ruland DCD10-1/4"-6MM-A, Double Disc Coupling
      DCD10-1/4"-6MM-A
      As low as $72.73 $106.67
      Ruland DCD10-1/4"-6MM-A, 1/4" x 6mm Double Disc Coupling, Aluminum, Clamp Style, 0.590" (15.0mm) OD, 0.937" (23.8mm) Length
      Add to Compare
    5. Ruland DCD10-1/8"-3MM-A, Double Disc Coupling
      DCD10-1/8"-3MM-A
      As low as $72.73 $106.67
      Ruland DCD10-1/8"-3MM-A, 1/8" x 3mm Double Disc Coupling, Aluminum, Clamp Style, 0.590" (15.0mm) OD, 0.937" (23.8mm) Length
      Add to Compare
    6. Ruland DCD10-3/16"-3MM-A, Double Disc Coupling
      DCD10-3/16"-3MM-A
      As low as $72.73 $106.67
      Ruland DCD10-3/16"-3MM-A, 3/16" x 3mm Double Disc Coupling, Aluminum, Clamp Style, 0.590" (15.0mm) OD, 0.937" (23.8mm) Length
      Add to Compare
    7. Ruland DCD10-3/16"-4MM-A, Double Disc Coupling
      DCD10-3/16"-4MM-A
      As low as $72.73 $106.67
      Ruland DCD10-3/16"-4MM-A, 3/16" x 4mm Double Disc Coupling, Aluminum, Clamp Style, 0.590" (15.0mm) OD, 0.937" (23.8mm) Length
      Add to Compare
    8. Ruland DCD10-4MM-1/8"-A, Double Disc Coupling
      DCD10-4MM-1/8"-A
      As low as $72.73 $106.67
      Ruland DCD10-4MM-1/8"-A, 4mm x 1/8" Double Disc Coupling, Aluminum, Clamp Style, 0.590" (15.0mm) OD, 0.937" (23.8mm) Length
      Add to Compare
    9. Ruland DCD10-5MM-1/8"-A, Double Disc Coupling
      DCD10-5MM-1/8"-A
      As low as $72.73 $106.67
      Ruland DCD10-5MM-1/8"-A, 5mm x 1/8" Double Disc Coupling, Aluminum, Clamp Style, 0.590" (15.0mm) OD, 0.937" (23.8mm) Length
      Add to Compare
    10. Ruland DCD10-5MM-3/16"-A, Double Disc Coupling
      DCD10-5MM-3/16"-A
      As low as $72.73 $106.67
      Ruland DCD10-5MM-3/16"-A, 5mm x 3/16" Double Disc Coupling, Aluminum, Clamp Style, 0.590" (15.0mm) OD, 0.937" (23.8mm) Length
      Add to Compare
    11. Ruland DCD10-6MM-1/8"-A, Double Disc Coupling
      DCD10-6MM-1/8"-A
      As low as $72.73 $106.67
      Ruland DCD10-6MM-1/8"-A, 6mm x 1/8" Double Disc Coupling, Aluminum, Clamp Style, 0.590" (15.0mm) OD, 0.937" (23.8mm) Length
      Add to Compare
    12. Ruland DCD10-6MM-3/16"-A, Double Disc Coupling
      DCD10-6MM-3/16"-A
      As low as $72.73 $106.67
      Ruland DCD10-6MM-3/16"-A, 6mm x 3/16" Double Disc Coupling, Aluminum, Clamp Style, 0.590" (15.0mm) OD, 0.937" (23.8mm) Length
      Add to Compare
    13. Ruland DCD12-1/4"-4MM-A, Double Disc Coupling
      DCD12-1/4"-4MM-A
      As low as $68.17 $99.98
      Ruland DCD12-1/4"-4MM-A, 1/4" x 4mm Double Disc Coupling, Aluminum, Clamp Style, 0.750" (19.1mm) OD, 1.189" (30.2mm) Length
      Add to Compare
    14. Ruland DCD12-1/4"-5MM-A, Double Disc Coupling
      DCD12-1/4"-5MM-A
      As low as $68.17 $99.98
      Ruland DCD12-1/4"-5MM-A, 1/4" x 5mm Double Disc Coupling, Aluminum, Clamp Style, 0.750" (19.1mm) OD, 1.189" (30.2mm) Length
      Add to Compare
    15. Ruland DCD12-1/4"-6MM-A, Double Disc Coupling
      DCD12-1/4"-6MM-A
      As low as $68.17 $99.98
      Ruland DCD12-1/4"-6MM-A, 1/4" x 6mm Double Disc Coupling, Aluminum, Clamp Style, 0.750" (19.1mm) OD, 1.189" (30.2mm) Length
      Add to Compare
    16. Ruland DCD12-3/16"-4MM-A, Double Disc Coupling
      DCD12-3/16"-4MM-A
      As low as $68.17 $99.98
      Ruland DCD12-3/16"-4MM-A, 3/16" x 4mm Double Disc Coupling, Aluminum, Clamp Style, 0.750" (19.1mm) OD, 1.189" (30.2mm) Length
      Add to Compare
    17. Ruland DCD12-5/16"-4MM-A, Double Disc Coupling
      DCD12-5/16"-4MM-A
      As low as $68.17 $99.98
      Ruland DCD12-5/16"-4MM-A, 5/16" x 4mm Double Disc Coupling, Aluminum, Clamp Style, 0.750" (19.1mm) OD, 1.189" (30.2mm) Length
      Add to Compare
    18. Ruland DCD12-5/16"-5MM-A, Double Disc Coupling
      DCD12-5/16"-5MM-A
      As low as $68.17 $99.98
      Ruland DCD12-5/16"-5MM-A, 5/16" x 5mm Double Disc Coupling, Aluminum, Clamp Style, 0.750" (19.1mm) OD, 1.189" (30.2mm) Length
      Add to Compare
    19. Ruland DCD12-5/16"-6MM-A, Double Disc Coupling
      DCD12-5/16"-6MM-A
      As low as $68.17 $99.98
      Ruland DCD12-5/16"-6MM-A, 5/16" x 6mm Double Disc Coupling, Aluminum, Clamp Style, 0.750" (19.1mm) OD, 1.189" (30.2mm) Length
      Add to Compare
    20. Ruland DCD12-5/16"-7MM-A, Double Disc Coupling
      DCD12-5/16"-7MM-A
      As low as $68.17 $99.98
      Ruland DCD12-5/16"-7MM-A, 5/16" x 7mm Double Disc Coupling, Aluminum, Clamp Style, 0.750" (19.1mm) OD, 1.189" (30.2mm) Length
      Add to Compare
    21. Ruland DCD12-5MM-3/16"-A, Double Disc Coupling
      DCD12-5MM-3/16"-A
      As low as $68.17 $99.98
      Ruland DCD12-5MM-3/16"-A, 5mm x 3/16" Double Disc Coupling, Aluminum, Clamp Style, 0.750" (19.1mm) OD, 1.189" (30.2mm) Length
      Add to Compare
    22. Ruland DCD12-6MM-3/16"-A, Double Disc Coupling
      DCD12-6MM-3/16"-A
      As low as $68.17 $99.98
      Ruland DCD12-6MM-3/16"-A, 6mm x 3/16" Double Disc Coupling, Aluminum, Clamp Style, 0.750" (19.1mm) OD, 1.189" (30.2mm) Length
      Add to Compare
    23. Ruland DCD12-7MM-1/4"-A, Double Disc Coupling
      DCD12-7MM-1/4"-A
      As low as $68.17 $99.98
      Ruland DCD12-7MM-1/4"-A, 7mm x 1/4" Double Disc Coupling, Aluminum, Clamp Style, 0.750" (19.1mm) OD, 1.189" (30.2mm) Length
      Add to Compare
    24. Ruland DCD12-7MM-3/16"-A, Double Disc Coupling
      DCD12-7MM-3/16"-A
      As low as $68.17 $99.98
      Ruland DCD12-7MM-3/16"-A, 7mm x 3/16" Double Disc Coupling, Aluminum, Clamp Style, 0.750" (19.1mm) OD, 1.189" (30.2mm) Length
      Add to Compare
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    Browse By

    Filter
    Shopping Options
    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 38 items
    10. 1.0000 in 49 items
    11. 1.1250 in 29 items
    12. 1.2500 in 33 items
    13. 1.3750 in 11 items
    14. 1.5000 in 15 items
    15. 1.6250 in 7 items
    16. 1.7500 in 8 items
    17. 4 mm 1 item
    18. 5 mm 3 items
    19. 6 mm 3 items
    20. 7 mm 3 items
    21. 8 mm 9 items
    22. 9 mm 6 items
    23. 10 mm 12 items
    24. 11 mm 12 items
    25. 12 mm 12 items
    26. 13 mm 12 items
    27. 14 mm 14 items
    28. 15 mm 14 items
    29. 16 mm 22 items
    30. 17 mm 14 items
    31. 18 mm 14 items
    32. 19 mm 14 items
    33. 20 mm 21 items
    34. 22 mm 13 items
    35. 24 mm 18 items
    36. 25 mm 18 items
    37. 28 mm 14 items
    38. 30 mm 18 items
    39. 32 mm 15 items
    40. 35 mm 10 items
    41. 38 mm 10 items
    42. 40 mm 5 items
    43. 42 mm 6 items
    44. 45 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 32 items
    9. 0.8750 in 20 items
    10. 1.0000 in 18 items
    11. 1.1250 in 14 items
    12. 1.2500 in 10 items
    13. 1.3750 in 7 items
    14. 1.5000 in 3 items
    15. 1.6250 in 2 items
    16. 1.7500 in 1 item
    17. 3 mm 3 items
    18. 4 mm 5 items
    19. 5 mm 3 items
    20. 6 mm 9 items
    21. 7 mm 6 items
    22. 8 mm 10 items
    23. 9 mm 10 items
    24. 10 mm 12 items
    25. 11 mm 12 items
    26. 12 mm 22 items
    27. 13 mm 14 items
    28. 14 mm 26 items
    29. 15 mm 25 items
    30. 16 mm 19 items
    31. 17 mm 18 items
    32. 18 mm 18 items
    33. 19 mm 18 items
    34. 20 mm 18 items
    35. 22 mm 18 items
    36. 24 mm 13 items
    37. 25 mm 20 items
    38. 28 mm 14 items
    39. 30 mm 10 items
    40. 32 mm 6 items
    41. 35 mm 4 items
    42. 38 mm 4 items
    43. 40 mm 2 items
    44. 42 mm 1 item
    Keyway
    1. No 412 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
    8. 2.750 in (69.9 mm) 63 items
    9. 3.125 in (79.4 mm) 63 items
    Length (L)
    1. 0.937 in (23.8 mm) 12 items
    2. 1.189 in (30.2 mm) 15 items
    3. 1.374 in (34.9 mm) 52 items
    4. 1.770 in (45.0 mm) 72 items
    5. 2.165 in (55.0 mm) 88 items
    6. 2.519 in (64.0 mm) 120 items
    7. 3.080 in (78.2 mm) 175 items
    8. 3.531 in (89.7 mm) 63 items
    9. 3.938 in (100.0 mm) 63 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
    8. 850 lb-in (96.03 Nm) 63 items
    9. 1150 lb-in (129.93 Nm) 63 items
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