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    Beam Couplings for Encoders

    Ruland 4-beam couplings are manufactured from a single piece of aluminum or stainless steel with multiple spiral (helical) cuts allowing for a zero-backlash encoder coupling with higher accuracy and better overall misalignment capabilities than traditional single beam couplings. They are designed with extra flexibility to provide reduced bearing loads, which is critical in encoders which have small sensitive bearings. Ruland 4-beam couplings have a balanced design for reduced vibration at speeds up to 6,000 RPM. Ruland manufactures two series of 4-beam couplings, P and MW, giving designers a variety of performance and dimensional characteristics to choose from. Ruland manufactures 4-beam couplings in our Marlborough, Massachusetts factory with bore sizes ranging from 3/32” to 1/2” or 3mm to 12mm.

    Products

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    Items 49-72 of 1382

    Set Descending Direction
    1. Ruland MWC20-5MM-3/16"-A, Four Beam Coupling
      MWC20-5MM-3/16"-A
      As low as $37.91 $55.60
      Ruland MWC20-5MM-3/16"-A, 5mm x 3/16" Four Beam Coupling, Aluminum, Clamp Style, 0.787" (20.0mm) OD, 1.102" (28.0mm) Length
      Add to Compare
    2. Ruland MWC20-5MM-3/16"-SS, Four Beam Coupling
      MWC20-5MM-3/16"-SS
      As low as $87.75 $128.69
      Ruland MWC20-5MM-3/16"-SS, 5mm x 3/16" Four Beam Coupling, Stainless Steel, Clamp Style, 0.787" (20.0mm) OD, 1.102" (28.0mm) Length
      Add to Compare
    3. Ruland MWC20-6-4-A, Four Beam Coupling
      MWC20-6-4-A
      As low as $37.91 $55.60
      Ruland MWC20-6-4-A, 6mm x 4mm Four Beam Coupling, Aluminum, Clamp Style, 20.0mm OD, 28.0mm Length
      Add to Compare
    4. Ruland MWC20-6-4-SS, Four Beam Coupling
      MWC20-6-4-SS
      As low as $87.75 $128.69
      Ruland MWC20-6-4-SS, 6mm x 4mm Four Beam Coupling, Stainless Steel, Clamp Style, 20.0mm OD, 28.0mm Length
      Add to Compare
    5. Ruland MWC20-6-5-A, Four Beam Coupling
      MWC20-6-5-A
      As low as $37.91 $55.60
      Ruland MWC20-6-5-A, 6mm x 5mm Four Beam Coupling, Aluminum, Clamp Style, 20.0mm OD, 28.0mm Length
      Add to Compare
    6. Ruland MWC20-6-5-SS, Four Beam Coupling
      MWC20-6-5-SS
      As low as $87.75 $128.69
      Ruland MWC20-6-5-SS, 6mm x 5mm Four Beam Coupling, Stainless Steel, Clamp Style, 20.0mm OD, 28.0mm Length
      Add to Compare
    7. Ruland MWC20-6-6-A, Four Beam Coupling
      MWC20-6-6-A
      As low as $37.91 $55.60
      Ruland MWC20-6-6-A, 6mm x 6mm Four Beam Coupling, Aluminum, Clamp Style, 20.0mm OD, 28.0mm Length
      Add to Compare
    8. Ruland MWC20-6-6-SS, Four Beam Coupling
      MWC20-6-6-SS
      As low as $87.75 $128.69
      Ruland MWC20-6-6-SS, 6mm x 6mm Four Beam Coupling, Stainless Steel, Clamp Style, 20.0mm OD, 28.0mm Length
      Add to Compare
    9. Ruland MWC20-6MM-3/16"-A, Four Beam Coupling
      MWC20-6MM-3/16"-A
      As low as $37.91 $55.60
      Ruland MWC20-6MM-3/16"-A, 6mm x 3/16" Four Beam Coupling, Aluminum, Clamp Style, 0.787" (20.0mm) OD, 1.102" (28.0mm) Length
      Add to Compare
    10. Ruland MWC20-6MM-3/16"-SS, Four Beam Coupling
      MWC20-6MM-3/16"-SS
      As low as $87.75 $128.69
      Ruland MWC20-6MM-3/16"-SS, 6mm x 3/16" Four Beam Coupling, Stainless Steel, Clamp Style, 0.787" (20.0mm) OD, 1.102" (28.0mm) Length
      Add to Compare
    11. Ruland MWC25-1/4"-1/4"-A, Four Beam Coupling
      MWC25-1/4"-1/4"-A
      As low as $40.03 $58.71
      Ruland MWC25-1/4"-1/4"-A, 1/4" x 1/4" Four Beam Coupling, Aluminum, Clamp Style, 0.984" (25.0mm) OD, 1.181" (30.0mm) Length
      Add to Compare
    12. Ruland MWC25-1/4"-1/4"-SS, Four Beam Coupling
      MWC25-1/4"-1/4"-SS
      As low as $99.53 $145.97
      Ruland MWC25-1/4"-1/4"-SS, 1/4" x 1/4" Four Beam Coupling, Stainless Steel, Clamp Style, 0.984" (25.0mm) OD, 1.181" (30.0mm) Length
      Add to Compare
    13. Ruland MWC25-1/4"-6MM-A, Four Beam Coupling
      MWC25-1/4"-6MM-A
      As low as $40.03 $58.71
      Ruland MWC25-1/4"-6MM-A, 1/4" x 6mm Four Beam Coupling, Aluminum, Clamp Style, 0.984" (25.0mm) OD, 1.181" (30.0mm) Length
      Add to Compare
    14. Ruland MWC25-1/4"-6MM-SS, Four Beam Coupling
      MWC25-1/4"-6MM-SS
      As low as $99.53 $145.97
      Ruland MWC25-1/4"-6MM-SS, 1/4" x 6mm Four Beam Coupling, Stainless Steel, Clamp Style, 0.984" (25.0mm) OD, 1.181" (30.0mm) Length
      Add to Compare
    15. Ruland MWC25-10-10-A, Four Beam Coupling
      MWC25-10-10-A
      As low as $40.03 $58.71
      Ruland MWC25-10-10-A, 10mm x 10mm Four Beam Coupling, Aluminum, Clamp Style, 25.0mm OD, 30.0mm Length
      Add to Compare
    16. Ruland MWC25-10-10-SS, Four Beam Coupling
      MWC25-10-10-SS
      As low as $99.53 $145.97
      Ruland MWC25-10-10-SS, 10mm x 10mm Four Beam Coupling, Stainless Steel, Clamp Style, 25.0mm OD, 30.0mm Length
      Add to Compare
    17. Ruland MWC25-10-6-A, Four Beam Coupling
      MWC25-10-6-A
      As low as $40.03 $58.71
      Ruland MWC25-10-6-A, 10mm x 6mm Four Beam Coupling, Aluminum, Clamp Style, 25.0mm OD, 30.0mm Length
      Add to Compare
    18. Ruland MWC25-10-6-SS, Four Beam Coupling
      MWC25-10-6-SS
      As low as $99.53 $145.97
      Ruland MWC25-10-6-SS, 10mm x 6mm Four Beam Coupling, Stainless Steel, Clamp Style, 25.0mm OD, 30.0mm Length
      Add to Compare
    19. Ruland MWC25-10-7-A, Four Beam Coupling
      MWC25-10-7-A
      As low as $40.03 $58.71
      Ruland MWC25-10-7-A, 10mm x 7mm Four Beam Coupling, Aluminum, Clamp Style, 25.0mm OD, 30.0mm Length
      Add to Compare
    20. Ruland MWC25-10-7-SS, Four Beam Coupling
      MWC25-10-7-SS
      As low as $99.53 $145.97
      Ruland MWC25-10-7-SS, 10mm x 7mm Four Beam Coupling, Stainless Steel, Clamp Style, 25.0mm OD, 30.0mm Length
      Add to Compare
    21. Ruland MWC25-10-8-A, Four Beam Coupling
      MWC25-10-8-A
      As low as $40.03 $58.71
      Ruland MWC25-10-8-A, 10mm x 8mm Four Beam Coupling, Aluminum, Clamp Style, 25.0mm OD, 30.0mm Length
      Add to Compare
    22. Ruland MWC25-10-8-SS, Four Beam Coupling
      MWC25-10-8-SS
      As low as $99.53 $145.97
      Ruland MWC25-10-8-SS, 10mm x 8mm Four Beam Coupling, Stainless Steel, Clamp Style, 25.0mm OD, 30.0mm Length
      Add to Compare
    23. Ruland MWC25-10-9-A, Four Beam Coupling
      MWC25-10-9-A
      As low as $40.03 $58.71
      Ruland MWC25-10-9-A, 10mm x 9mm Four Beam Coupling, Aluminum, Clamp Style, 25.0mm OD, 30.0mm Length
      Add to Compare
    24. Ruland MWC25-10-9-SS, Four Beam Coupling
      MWC25-10-9-SS
      As low as $99.53 $145.97
      Ruland MWC25-10-9-SS, 10mm x 9mm Four Beam Coupling, Stainless Steel, Clamp Style, 25.0mm OD, 30.0mm Length
      Add to Compare
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    Style
    1. Clamp 695 items
    2. Set Screw 687 items
    Unit of Measurement
    1. Inch 250 items
    2. Inch/Metric 567 items
    3. Metric 565 items
    Bore (B1)
    1. 0.0938 in 8 items
    2. 0.1250 in 36 items
    3. 0.1563 in 24 items
    4. 0.1875 in 68 items
    5. 0.2500 in 89 items
    6. 0.3125 in 72 items
    7. 0.3750 in 120 items
    8. 0.5000 in 116 items
    9. 3 mm 27 items
    10. 4 mm 50 items
    11. 5 mm 88 items
    12. 6 mm 72 items
    13. 7 mm 68 items
    14. 8 mm 108 items
    15. 9 mm 100 items
    16. 10 mm 140 items
    17. 11 mm 92 items
    18. 12 mm 104 items
    Small Bore (B2)
    1. 0.0938 in 20 items
    2. 0.1250 in 68 items
    3. 0.1563 in 40 items
    4. 0.1875 in 72 items
    5. 0.2500 in 154 items
    6. 0.3125 in 92 items
    7. 0.3750 in 76 items
    8. 0.5000 in 12 items
    9. 3 mm 87 items
    10. 4 mm 64 items
    11. 5 mm 54 items
    12. 6 mm 183 items
    13. 7 mm 128 items
    14. 8 mm 120 items
    15. 9 mm 96 items
    16. 10 mm 56 items
    17. 11 mm 36 items
    18. 12 mm 24 items
    Material
    1. 303 Stainless Steel 691 items
    2. Aluminum 691 items
    Outer Diameter (OD)
    1. 0.375 in 4 items
    2. 0.500 in 12 items
    3. 0.625 in 24 items
    4. 0.750 in 40 items
    5. 0.875 in 24 items
    6. 1.000 in 24 items
    7. 1.125 in 40 items
    8. 1.250 in 40 items
    9. 0.375 in (9.5 mm) 4 items
    10. 0.500 in (12.7 mm) 8 items
    11. 0.590 in (15.0 mm) 36 items
    12. 0.625 in (15.9 mm) 36 items
    13. 0.750 in (19.1 mm) 64 items
    14. 0.787 in (20.0 mm) 25 items
    15. 0.875 in (22.2 mm) 48 items
    16. 0.984 in (25.0 mm) 52 items
    17. 1.000 in (25.4 mm) 60 items
    18. 1.125 in (28.6 mm) 112 items
    19. 1.181 in (30.0 mm) 52 items
    20. 1.250 in (31.8 mm) 112 items
    21. 9.5 mm 4 items
    22. 12.7 mm 5 items
    23. 15.0 mm 24 items
    24. 15.9 mm 24 items
    25. 19.1 mm 40 items
    26. 20.0 mm 24 items
    27. 22.2 mm 40 items
    28. 25.0 mm 60 items
    29. 25.4 mm 60 items
    30. 28.6 mm 112 items
    31. 30.0 mm 60 items
    32. 31.8 mm 112 items
    Length (L)
    1. 0.563 in 4 items
    2. 0.750 in 12 items
    3. 0.800 in 24 items
    4. 0.900 in 40 items
    5. 1.063 in 24 items
    6. 1.250 in 24 items
    7. 1.500 in 80 items
    8. 0.563 in (14.3 mm) 4 items
    9. 0.750 in (19.1 mm) 8 items
    10. 0.787 in (20.0 mm) 27 items
    11. 0.800 in (20.3 mm) 36 items
    12. 0.866 in (22.0 mm) 18 items
    13. 0.900 in (22.9 mm) 64 items
    14. 0.945 in (24.0 mm) 26 items
    15. 1.063 in (27.0 mm) 48 items
    16. 1.102 in (28.0 mm) 16 items
    17. 1.181 in (30.0 mm) 52 items
    18. 1.250 in (31.8 mm) 60 items
    19. 1.496 in (38.0 mm) 26 items
    20. 1.500 in (38.1 mm) 224 items
    21. 14.3 mm 4 items
    22. 19.1 mm 5 items
    23. 20.0 mm 24 items
    24. 20.3 mm 24 items
    25. 22.0 mm 12 items
    26. 22.9 mm 40 items
    27. 24.0 mm 30 items
    28. 27.0 mm 40 items
    29. 28.0 mm 12 items
    30. 30.0 mm 60 items
    31. 31.8 mm 60 items
    32. 38.0 mm 30 items
    33. 38.1 mm 224 items
    Static Torque
    1. 0.62 Nm 2 items
    2. 0.81 Nm 18 items
    3. 0.85 Nm 14 items
    4. 0.90 Nm 3 items
    5. 1.15 Nm 9 items
    6. 1.20 Nm 18 items
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    9. 1.36 Nm 10 items
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    11. 1.70 Nm 14 items
    12. 1.81 Nm 24 items
    13. 1.92 Nm 10 items
    14. 2.00 Nm 12 items
    15. 2.03 Nm 4 items
    16. 2.15 Nm 8 items
    17. 2.26 Nm 4 items
    18. 2.49 Nm 14 items
    19. 2.60 Nm 10 items
    20. 2.71 Nm 4 items
    21. 2.94 Nm 2 items
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    23. 3.10 Nm 36 items
    24. 3.39 Nm 14 items
    25. 3.42 Nm 20 items
    26. 3.73 Nm 10 items
    27. 3.84 Nm 26 items
    28. 3.95 Nm 2 items
    29. 4.07 Nm 1 item
    30. 4.52 Nm 18 items
    31. 4.60 Nm 36 items
    32. 4.63 Nm 18 items
    33. 4.76 Nm 1 item
    34. 4.97 Nm 20 items
    35. 5.10 Nm 20 items
    36. 5.20 Nm 26 items
    37. 5.31 Nm 2 items
    38. 5.54 Nm 2 items
    39. 5.88 Nm 27 items
    40. 6.10 Nm 14 items
    41. 6.60 Nm 37 items
    42. 6.78 Nm 31 items
    43. 6.90 Nm 19 items
    44. 7.12 Nm 2 items
    45. 7.23 Nm 10 items
    46. 7.68 Nm 2 items
    47. 7.91 Nm 27 items
    48. 9.15 Nm 21 items
    49. 9.72 Nm 10 items
    50. 10.00 Nm 36 items
    51. 10.40 Nm 22 items
    52. 5.5 lb-in 2 items
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    114. 24 lb-in (2.71 Nm) 4 items
    115. 24.0 lb-in (2.71 Nm) 2 items
    116. 26 lb-in (2.94 Nm) 2 items
    117. 27.0 lb-in (3.05 Nm) 2 items
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    124. 35 lb-in (3.96 Nm) 2 items
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    139. 52 lb-in (5.88 Nm) 14 items
    140. 54 lb-in (6.10 Nm) 8 items
    141. 60 lb-in (6.78 Nm) 12 items
    142. 60.0 lb-in (6.78 Nm) 18 items
    143. 52.0 lb-in (5.88 Nm) 12 items
    144. 54.0 lb-in (6.10 Nm) 10 items
    145. 63 lb-in (7.12 Nm) 2 items
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    156. 86.0 lb-in (9.72 Nm) 4 items
    157. 92 lb-in (10.40 Nm) 2 items
    158. 92.0 lb-in (10.40 Nm) 2 items
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