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    P-Series Four Beam Couplings

    P-series beam couplings are designed specifically for precision applications, such as encoders and tachometers that use delicate components. The small bearings on these components make low radial forces essential to longevity and continued high performance. They provide extra flexibility to yield reduced bearing loads. These flexible couplings are shorter than the F-series six beam couplings and conform to industry standard lengths, fitting into confined spaces and allowing for easy retrofits in existing equipment. At the same time, the helical cut pattern continues to provide excellent torque capabilities and low wind-up. P-series beam couplings are manufactured from a single piece of 7075 aluminum for lightweight and low inertia or 303 stainless steel for increased torque capabilities.

    Features

    •  Aluminum
      • Extra flexible with low bearing loads
      • Lightweight for low inertia
      • Temperature range: -40°F to 225°F
    • Stainless Steel
      • Flexible with low bearing loads
      • Corrosion resistant
      • Temperature range: -40°F to 350°F
    • Multiple beam cuts improve parallel misalignment capabilities
    • Zero backlash
    • Constant velocity
    • RoHS3 and REACH Compliant
    • Maximum speed: 6,000 RPM

    How to Specify

    Part numbers are in the following format with numbers
    representing sixteenths of an inch:

    Part Number Identification

    Products

    View as Grid Table

    Items 49-72 of 1049

    Set Descending Direction
    1. Ruland PCMR22-7-7-SS, Four Beam Coupling
      PCMR22-7-7-SS
      As low as $98.42 $144.36
      Ruland PCMR22-7-7-SS, 7mm x 7mm Four Beam Coupling, Stainless Steel, Clamp Style, 22.2mm OD, 27.0mm Length
      Add to Compare
    2. Ruland PCMR22-8-5-A, Four Beam Coupling
      PCMR22-8-5-A
      As low as $37.53 $55.04
      Ruland PCMR22-8-5-A, 8mm x 5mm Four Beam Coupling, Aluminum, Clamp Style, 22.2mm OD, 27.0mm Length
      Add to Compare
    3. Ruland PCMR22-8-5-SS, Four Beam Coupling
      PCMR22-8-5-SS
      As low as $98.42 $144.36
      Ruland PCMR22-8-5-SS, 8mm x 5mm Four Beam Coupling, Stainless Steel, Clamp Style, 22.2mm OD, 27.0mm Length
      Add to Compare
    4. Ruland PCMR22-8-6-A, Four Beam Coupling
      PCMR22-8-6-A
      As low as $37.53 $55.04
      Ruland PCMR22-8-6-A, 8mm x 6mm Four Beam Coupling, Aluminum, Clamp Style, 22.2mm OD, 27.0mm Length
      Add to Compare
    5. Ruland PCMR22-8-6-SS, Four Beam Coupling
      PCMR22-8-6-SS
      As low as $98.42 $144.36
      Ruland PCMR22-8-6-SS, 8mm x 6mm Four Beam Coupling, Stainless Steel, Clamp Style, 22.2mm OD, 27.0mm Length
      Add to Compare
    6. Ruland PCMR22-8-7-A, Four Beam Coupling
      PCMR22-8-7-A
      As low as $37.53 $55.04
      Ruland PCMR22-8-7-A, 8mm x 7mm Four Beam Coupling, Aluminum, Clamp Style, 22.2mm OD, 27.0mm Length
      Add to Compare
    7. Ruland PCMR22-8-7-SS, Four Beam Coupling
      PCMR22-8-7-SS
      As low as $98.42 $144.36
      Ruland PCMR22-8-7-SS, 8mm x 7mm Four Beam Coupling, Stainless Steel, Clamp Style, 22.2mm OD, 27.0mm Length
      Add to Compare
    8. Ruland PCMR22-8-8-A, Four Beam Coupling
      PCMR22-8-8-A
      As low as $37.53 $55.04
      Ruland PCMR22-8-8-A, 8mm x 8mm Four Beam Coupling, Aluminum, Clamp Style, 22.2mm OD, 27.0mm Length
      Add to Compare
    9. Ruland PCMR22-8-8-SS, Four Beam Coupling
      PCMR22-8-8-SS
      As low as $98.42 $144.36
      Ruland PCMR22-8-8-SS, 8mm x 8mm Four Beam Coupling, Stainless Steel, Clamp Style, 22.2mm OD, 27.0mm Length
      Add to Compare
    10. Ruland PCMR25-10-10-A, Four Beam Coupling
      PCMR25-10-10-A
      As low as $40.03 $58.71
      Ruland PCMR25-10-10-A, 10mm x 10mm Four Beam Coupling, Aluminum, Clamp Style, 25.4mm OD, 31.8mm Length
      Add to Compare
    11. Ruland PCMR25-10-10-SS, Four Beam Coupling
      PCMR25-10-10-SS
      As low as $99.80 $146.37
      Ruland PCMR25-10-10-SS, 10mm x 10mm Four Beam Coupling, Stainless Steel, Clamp Style, 25.4mm OD, 31.8mm Length
      Add to Compare
    12. Ruland PCMR25-10-6-A, Four Beam Coupling
      PCMR25-10-6-A
      As low as $40.03 $58.71
      Ruland PCMR25-10-6-A, 10mm x 6mm Four Beam Coupling, Aluminum, Clamp Style, 25.4mm OD, 31.8mm Length
      Add to Compare
    13. Ruland PCMR25-10-6-SS, Four Beam Coupling
      PCMR25-10-6-SS
      As low as $99.80 $146.37
      Ruland PCMR25-10-6-SS, 10mm x 6mm Four Beam Coupling, Stainless Steel, Clamp Style, 25.4mm OD, 31.8mm Length
      Add to Compare
    14. Ruland PCMR25-10-7-A, Four Beam Coupling
      PCMR25-10-7-A
      As low as $40.03 $58.71
      Ruland PCMR25-10-7-A, 10mm x 7mm Four Beam Coupling, Aluminum, Clamp Style, 25.4mm OD, 31.8mm Length
      Add to Compare
    15. Ruland PCMR25-10-7-SS, Four Beam Coupling
      PCMR25-10-7-SS
      As low as $99.80 $146.37
      Ruland PCMR25-10-7-SS, 10mm x 7mm Four Beam Coupling, Stainless Steel, Clamp Style, 25.4mm OD, 31.8mm Length
      Add to Compare
    16. Ruland PCMR25-10-8-A, Four Beam Coupling
      PCMR25-10-8-A
      As low as $40.03 $58.71
      Ruland PCMR25-10-8-A, 10mm x 8mm Four Beam Coupling, Aluminum, Clamp Style, 25.4mm OD, 31.8mm Length
      Add to Compare
    17. Ruland PCMR25-10-8-SS, Four Beam Coupling
      PCMR25-10-8-SS
      As low as $99.80 $146.37
      Ruland PCMR25-10-8-SS, 10mm x 8mm Four Beam Coupling, Stainless Steel, Clamp Style, 25.4mm OD, 31.8mm Length
      Add to Compare
    18. Ruland PCMR25-10-9-A, Four Beam Coupling
      PCMR25-10-9-A
      As low as $40.03 $58.71
      Ruland PCMR25-10-9-A, 10mm x 9mm Four Beam Coupling, Aluminum, Clamp Style, 25.4mm OD, 31.8mm Length
      Add to Compare
    19. Ruland PCMR25-10-9-SS, Four Beam Coupling
      PCMR25-10-9-SS
      As low as $99.80 $146.37
      Ruland PCMR25-10-9-SS, 10mm x 9mm Four Beam Coupling, Stainless Steel, Clamp Style, 25.4mm OD, 31.8mm Length
      Add to Compare
    20. Ruland PCMR25-6-6-A, Four Beam Coupling
      PCMR25-6-6-A
      As low as $40.03 $58.71
      Ruland PCMR25-6-6-A, 6mm x 6mm Four Beam Coupling, Aluminum, Clamp Style, 25.4mm OD, 31.8mm Length
      Add to Compare
    21. Ruland PCMR25-6-6-SS, Four Beam Coupling
      PCMR25-6-6-SS
      As low as $99.80 $146.37
      Ruland PCMR25-6-6-SS, 6mm x 6mm Four Beam Coupling, Stainless Steel, Clamp Style, 25.4mm OD, 31.8mm Length
      Add to Compare
    22. Ruland PCMR25-7-6-A, Four Beam Coupling
      PCMR25-7-6-A
      As low as $40.03 $58.71
      Ruland PCMR25-7-6-A, 7mm x 6mm Four Beam Coupling, Aluminum, Clamp Style, 25.4mm OD, 31.8mm Length
      Add to Compare
    23. Ruland PCMR25-7-6-SS, Four Beam Coupling
      PCMR25-7-6-SS
      As low as $99.80 $146.37
      Ruland PCMR25-7-6-SS, 7mm x 6mm Four Beam Coupling, Stainless Steel, Clamp Style, 25.4mm OD, 31.8mm Length
      Add to Compare
    24. Ruland PCMR25-7-7-A, Four Beam Coupling
      PCMR25-7-7-A
      As low as $40.03 $58.71
      Ruland PCMR25-7-7-A, 7mm x 7mm Four Beam Coupling, Aluminum, Clamp Style, 25.4mm OD, 31.8mm Length
      Add to Compare
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    Style
    1. Clamp 525 items
    2. Set Screw 524 items
    Unit of Measurement
    1. Inch 208 items
    2. Inch/Metric 444 items
    3. Metric 397 items
    Bore (B1)
    1. 0.0938 in 8 items
    2. 0.1250 in 28 items
    3. 0.1563 in 24 items
    4. 0.1875 in 44 items
    5. 0.2500 in 72 items
    6. 0.3125 in 72 items
    7. 0.3750 in 84 items
    8. 0.5000 in 88 items
    9. 3 mm 23 items
    10. 4 mm 34 items
    11. 5 mm 56 items
    12. 6 mm 52 items
    13. 7 mm 56 items
    14. 8 mm 88 items
    15. 9 mm 72 items
    16. 10 mm 96 items
    17. 11 mm 72 items
    18. 12 mm 80 items
    Small Bore (B2)
    1. 0.0938 in 20 items
    2. 0.1250 in 52 items
    3. 0.1563 in 40 items
    4. 0.1875 in 52 items
    5. 0.2500 in 128 items
    6. 0.3125 in 92 items
    7. 0.3750 in 48 items
    8. 0.5000 in 8 items
    9. 3 mm 67 items
    10. 4 mm 34 items
    11. 5 mm 40 items
    12. 6 mm 148 items
    13. 7 mm 108 items
    14. 8 mm 76 items
    15. 9 mm 60 items
    16. 10 mm 36 items
    17. 11 mm 24 items
    18. 12 mm 16 items
    Material
    1. 303 Stainless Steel 524 items
    2. Aluminum 525 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. 0.625 in (15.9 mm) 36 items
    12. 0.750 in (19.1 mm) 64 items
    13. 0.875 in (22.2 mm) 48 items
    14. 1.000 in (25.4 mm) 60 items
    15. 1.125 in (28.6 mm) 112 items
    16. 1.250 in (31.8 mm) 112 items
    17. 9.5 mm 4 items
    18. 12.7 mm 5 items
    19. 15.9 mm 24 items
    20. 19.1 mm 40 items
    21. 22.2 mm 40 items
    22. 25.4 mm 60 items
    23. 28.6 mm 112 items
    24. 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. 0.800 in (20.3 mm) 36 items
    11. 0.900 in (22.9 mm) 64 items
    12. 1.063 in (27.0 mm) 48 items
    13. 1.250 in (31.8 mm) 60 items
    14. 1.500 in (38.1 mm) 224 items
    15. 14.3 mm 4 items
    16. 19.1 mm 5 items
    17. 20.3 mm 24 items
    18. 22.9 mm 40 items
    19. 27.0 mm 40 items
    20. 31.8 mm 60 items
    21. 38.1 mm 224 items
    Static Torque
    1. 0.62 Nm 2 items
    2. 0.85 Nm 2 items
    3. 0.90 Nm 3 items
    4. 1.24 Nm 2 items
    5. 1.36 Nm 10 items
    6. 1.58 Nm 8 items
    7. 1.70 Nm 2 items
    8. 1.81 Nm 24 items
    9. 1.92 Nm 10 items
    10. 2.03 Nm 4 items
    11. 2.15 Nm 8 items
    12. 2.26 Nm 4 items
    13. 2.49 Nm 14 items
    14. 2.60 Nm 10 items
    15. 2.71 Nm 4 items
    16. 2.94 Nm 2 items
    17. 3.05 Nm 2 items
    18. 3.39 Nm 14 items
    19. 3.73 Nm 10 items
    20. 3.84 Nm 26 items
    21. 3.95 Nm 2 items
    22. 4.07 Nm 1 item
    23. 4.52 Nm 18 items
    24. 4.63 Nm 18 items
    25. 4.76 Nm 1 item
    26. 4.97 Nm 20 items
    27. 5.20 Nm 26 items
    28. 5.31 Nm 2 items
    29. 5.54 Nm 2 items
    30. 5.88 Nm 27 items
    31. 6.10 Nm 14 items
    32. 6.78 Nm 31 items
    33. 7.12 Nm 2 items
    34. 7.23 Nm 10 items
    35. 7.68 Nm 2 items
    36. 7.91 Nm 27 items
    37. 9.15 Nm 21 items
    38. 9.72 Nm 10 items
    39. 10.40 Nm 2 items
    40. 5.5 lb-in 2 items
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    78. 5.5 lb-in (0.62 Nm) 2 items
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    80. 8 lb-in (0.90 Nm) 4 items
    81. 11 lb-in (1.24 Nm) 2 items
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    100. 23 lb-in (2.60 Nm) 6 items
    101. 23.0 lb-in (2.60 Nm) 10 items
    102. 24 lb-in (2.71 Nm) 4 items
    103. 24.0 lb-in (2.71 Nm) 2 items
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    105. 27.0 lb-in (3.05 Nm) 2 items
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    108. 33 lb-in (3.73 Nm) 4 items
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    110. 34 lb-in (3.84 Nm) 14 items
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    112. 35 lb-in (3.96 Nm) 2 items
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    117. 41 lb-in (4.63 Nm) 8 items
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    119. 44 lb-in (4.97 Nm) 8 items
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    121. 46 lb-in (5.20 Nm) 14 items
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    123. 47 lb-in (5.31 Nm) 2 items
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    125. 49 lb-in (5.54 Nm) 2 items
    126. 49.0 lb-in (5.54 Nm) 2 items
    127. 52 lb-in (5.88 Nm) 14 items
    128. 54 lb-in (6.10 Nm) 8 items
    129. 60 lb-in (6.78 Nm) 12 items
    130. 60.0 lb-in (6.78 Nm) 18 items
    131. 52.0 lb-in (5.88 Nm) 12 items
    132. 54.0 lb-in (6.10 Nm) 10 items
    133. 63 lb-in (7.12 Nm) 2 items
    134. 63.0 lb-in (7.12 Nm) 2 items
    135. 64 lb-in (7.23 Nm) 4 items
    136. 64.0 lb-in (7.23 Nm) 4 items
    137. 68 lb-in (7.68 Nm) 2 items
    138. 68.0 lb-in (7.68 Nm) 2 items
    139. 70 lb-in (7.91 Nm) 14 items
    140. 70.0 lb-in (7.91 Nm) 12 items
    141. 81 lb-in (9.15 Nm) 8 items
    142. 81.0 lb-in (9.15 Nm) 10 items
    143. 86 lb-in (9.72 Nm) 4 items
    144. 86.0 lb-in (9.72 Nm) 4 items
    145. 92 lb-in (10.40 Nm) 2 items
    146. 92.0 lb-in (10.40 Nm) 2 items
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