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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.

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    1. Ruland PCMR10-3-3-SS, Four Beam Coupling
      PCMR10-3-3-SS
      As low as $86.65 $127.09
      Ruland PCMR10-3-3-SS, 3mm x 3mm Four Beam Coupling, Stainless Steel, Clamp Style, 9.5mm OD, 14.3mm Length
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    2. PCMR13-4-4-SS
      PCMR13-4-4-SS
      As low as $88.31 $129.52
      Ruland PCMR13-4-4-SS, 4mm x 4mm Four Beam Coupling, Stainless Steel, Clamp Style, 12.7mm OD, 19.1mm Length
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    3. Ruland PCMR16-3-3-SS, Four Beam Coupling
      PCMR16-3-3-SS
      As low as $89.78 $131.68
      Ruland PCMR16-3-3-SS, 3mm x 3mm Four Beam Coupling, Stainless Steel, Clamp Style, 15.9mm OD, 20.3mm Length
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    4. Ruland PCMR16-4-3-SS, Four Beam Coupling
      PCMR16-4-3-SS
      As low as $89.78 $131.68
      Ruland PCMR16-4-3-SS, 4mm x 3mm Four Beam Coupling, Stainless Steel, Clamp Style, 15.9mm OD, 20.3mm Length
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    5. Ruland PCMR16-4-4-SS, Four Beam Coupling
      PCMR16-4-4-SS
      As low as $89.78 $131.68
      Ruland PCMR16-4-4-SS, 4mm x 4mm Four Beam Coupling, Stainless Steel, Clamp Style, 15.9mm OD, 20.3mm Length
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    6. Ruland PCMR16-5-3-SS, Four Beam Coupling
      PCMR16-5-3-SS
      As low as $89.78 $131.68
      Ruland PCMR16-5-3-SS, 5mm x 3mm Four Beam Coupling, Stainless Steel, Clamp Style, 15.9mm OD, 20.3mm Length
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    7. Ruland PCMR16-5-4-SS, Four Beam Coupling
      PCMR16-5-4-SS
      As low as $89.78 $131.68
      Ruland PCMR16-5-4-SS, 5mm x 4mm Four Beam Coupling, Stainless Steel, Clamp Style, 15.9mm OD, 20.3mm Length
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    8. Ruland PCMR16-5-5-SS, Four Beam Coupling
      PCMR16-5-5-SS
      As low as $89.78 $131.68
      Ruland PCMR16-5-5-SS, 5mm x 5mm Four Beam Coupling, Stainless Steel, Clamp Style, 15.9mm OD, 20.3mm Length
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    9. Ruland PCMR19-3-3-SS, Four Beam Coupling
      PCMR19-3-3-SS
      As low as $83.24 $122.08
      Ruland PCMR19-3-3-SS, 3mm x 3mm Four Beam Coupling, Stainless Steel, Clamp Style, 19.1mm OD, 22.9mm Length
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    10. Ruland PCMR19-4-3-SS, Four Beam Coupling
      PCMR19-4-3-SS
      As low as $83.24 $122.08
      Ruland PCMR19-4-3-SS, 4mm x 3mm Four Beam Coupling, Stainless Steel, Clamp Style, 19.1mm OD, 22.9mm Length
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    11. Ruland PCMR19-4-4-SS, Four Beam Coupling
      PCMR19-4-4-SS
      As low as $83.24 $122.08
      Ruland PCMR19-4-4-SS, 4mm x 4mm Four Beam Coupling, Stainless Steel, Clamp Style, 19.1mm OD, 22.9mm Length
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    12. Ruland PCMR19-5-3-SS, Four Beam Coupling
      PCMR19-5-3-SS
      As low as $83.24 $122.08
      Ruland PCMR19-5-3-SS, 5mm x 3mm Four Beam Coupling, Stainless Steel, Clamp Style, 19.1mm OD, 22.9mm Length
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    13. Ruland PCMR19-5-4-SS, Four Beam Coupling
      PCMR19-5-4-SS
      As low as $83.24 $122.08
      Ruland PCMR19-5-4-SS, 5mm x 4mm Four Beam Coupling, Stainless Steel, Clamp Style, 19.1mm OD, 22.9mm Length
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    14. Ruland PCMR19-5-5-SS, Four Beam Coupling
      PCMR19-5-5-SS
      As low as $83.24 $122.08
      Ruland PCMR19-5-5-SS, 5mm x 5mm Four Beam Coupling, Stainless Steel, Clamp Style, 19.1mm OD, 22.9mm Length
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    15. Ruland PCMR19-6-3-SS, Four Beam Coupling
      PCMR19-6-3-SS
      As low as $83.24 $122.08
      Ruland PCMR19-6-3-SS, 6mm x 3mm Four Beam Coupling, Stainless Steel, Clamp Style, 19.1mm OD, 22.9mm Length
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    16. Ruland PCMR19-6-4-SS, Four Beam Coupling
      PCMR19-6-4-SS
      As low as $83.24 $122.08
      Ruland PCMR19-6-4-SS, 6mm x 4mm Four Beam Coupling, Stainless Steel, Clamp Style, 19.1mm OD, 22.9mm Length
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    17. Ruland PCMR19-6-5-SS, Four Beam Coupling
      PCMR19-6-5-SS
      As low as $83.24 $122.08
      Ruland PCMR19-6-5-SS, 6mm x 5mm Four Beam Coupling, Stainless Steel, Clamp Style, 19.1mm OD, 22.9mm Length
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    18. Ruland PCMR19-6-6-SS, Four Beam Coupling
      PCMR19-6-6-SS
      As low as $83.24 $122.08
      Ruland PCMR19-6-6-SS, 6mm x 6mm Four Beam Coupling, Stainless Steel, Clamp Style, 19.1mm OD, 22.9mm Length
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    19. Ruland PCMR22-5-5-SS, Four Beam Coupling
      PCMR22-5-5-SS
      As low as $98.42 $144.36
      Ruland PCMR22-5-5-SS, 5mm x 5mm Four Beam Coupling, Stainless Steel, Clamp Style, 22.2mm OD, 27.0mm Length
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    20. Ruland PCMR22-6-5-SS, Four Beam Coupling
      PCMR22-6-5-SS
      As low as $98.42 $144.36
      Ruland PCMR22-6-5-SS, 6mm x 5mm Four Beam Coupling, Stainless Steel, Clamp Style, 22.2mm OD, 27.0mm Length
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    21. Ruland PCMR22-6-6-SS, Four Beam Coupling
      PCMR22-6-6-SS
      As low as $98.42 $144.36
      Ruland PCMR22-6-6-SS, 6mm x 6mm Four Beam Coupling, Stainless Steel, Clamp Style, 22.2mm OD, 27.0mm Length
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    22. Ruland PCMR22-7-5-SS, Four Beam Coupling
      PCMR22-7-5-SS
      As low as $98.42 $144.36
      Ruland PCMR22-7-5-SS, 7mm x 5mm Four Beam Coupling, Stainless Steel, Clamp Style, 22.2mm OD, 27.0mm Length
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    23. Ruland PCMR22-7-6-SS, Four Beam Coupling
      PCMR22-7-6-SS
      As low as $98.42 $144.36
      Ruland PCMR22-7-6-SS, 7mm x 6mm Four Beam Coupling, Stainless Steel, Clamp Style, 22.2mm OD, 27.0mm Length
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    24. 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
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      303 Stainless Steel
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    1. Clamp 262 items
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    Unit of Measurement
    1. Inch 104 items
    2. Inch/Metric 222 items
    3. Metric 198 items
    Bore (B1)
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    1. 0.0938 in 10 items
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    14. 8 mm 38 items
    15. 9 mm 30 items
    16. 10 mm 18 items
    17. 11 mm 12 items
    18. 12 mm 8 items
    Material
    1. 303 Stainless Steel 524 items
    2. Aluminum 525 items
    Outer Diameter (OD)
    1. 0.375 in 2 items
    2. 0.500 in 6 items
    3. 0.625 in 12 items
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    14. 1.000 in (25.4 mm) 30 items
    15. 1.125 in (28.6 mm) 56 items
    16. 1.250 in (31.8 mm) 56 items
    17. 9.5 mm 2 items
    18. 12.7 mm 2 items
    19. 15.9 mm 12 items
    20. 19.1 mm 20 items
    21. 22.2 mm 20 items
    22. 25.4 mm 30 items
    23. 28.6 mm 56 items
    24. 31.8 mm 56 items
    Length (L)
    1. 0.563 in 2 items
    2. 0.750 in 6 items
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    4. 0.900 in 20 items
    5. 1.063 in 12 items
    6. 1.250 in 12 items
    7. 1.500 in 40 items
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    10. 0.800 in (20.3 mm) 18 items
    11. 0.900 in (22.9 mm) 32 items
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    14. 1.500 in (38.1 mm) 112 items
    15. 14.3 mm 2 items
    16. 19.1 mm 2 items
    17. 20.3 mm 12 items
    18. 22.9 mm 20 items
    19. 27.0 mm 20 items
    20. 31.8 mm 30 items
    21. 38.1 mm 112 items
    Static Torque
    1. 0.85 Nm 2 items
    2. 1.24 Nm 2 items
    3. 1.81 Nm 10 items
    4. 2.15 Nm 8 items
    5. 2.26 Nm 2 items
    6. 2.49 Nm 14 items
    7. 2.60 Nm 10 items
    8. 2.71 Nm 4 items
    9. 3.05 Nm 2 items
    10. 3.95 Nm 2 items
    11. 4.63 Nm 18 items
    12. 4.97 Nm 10 items
    13. 5.20 Nm 26 items
    14. 5.54 Nm 2 items
    15. 6.10 Nm 14 items
    16. 6.78 Nm 10 items
    17. 7.12 Nm 2 items
    18. 7.91 Nm 27 items
    19. 9.15 Nm 21 items
    20. 9.72 Nm 10 items
    21. 10.40 Nm 2 items
    22. 7.5 lb-in 2 items
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    25. 19 lb-in 8 items
    26. 20 lb-in 2 items
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    28. 23 lb-in 10 items
    29. 24 lb-in 4 items
    30. 27 lb-in 2 items
    31. 35 lb-in 2 items
    32. 41 lb-in 6 items
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    34. 46 lb-in 8 items
    35. 49 lb-in 2 items
    36. 54 lb-in 6 items
    37. 60 lb-in 4 items
    38. 63 lb-in 2 items
    39. 70 lb-in 8 items
    40. 81 lb-in 6 items
    41. 86 lb-in 4 items
    42. 92 lb-in 2 items
    43. 7.5 lb-in (0.85 Nm) 2 items
    44. 11 lb-in (1.24 Nm) 2 items
    45. 11.0 lb-in (1.24 Nm) 2 items
    46. 16 lb-in (1.81 Nm) 6 items
    47. 16.0 lb-in (1.81 Nm) 10 items
    48. 19 lb-in (2.15 Nm) 8 items
    49. 19.0 lb-in (2.15 Nm) 6 items
    50. 20 lb-in (2.26 Nm) 2 items
    51. 22 lb-in (2.49 Nm) 6 items
    52. 22.0 lb-in (2.49 Nm) 10 items
    53. 23 lb-in (2.60 Nm) 6 items
    54. 23.0 lb-in (2.60 Nm) 10 items
    55. 24 lb-in (2.71 Nm) 4 items
    56. 24.0 lb-in (2.71 Nm) 2 items
    57. 27.0 lb-in (3.05 Nm) 2 items
    58. 30.0 lb-in (3.39 Nm) 1 item
    59. 35 lb-in (3.96 Nm) 2 items
    60. 41 lb-in (4.63 Nm) 8 items
    61. 41.0 lb-in (4.63 Nm) 6 items
    62. 44 lb-in (4.97 Nm) 4 items
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    65. 46.0 lb-in (5.20 Nm) 12 items
    66. 49 lb-in (5.54 Nm) 2 items
    67. 49.0 lb-in (5.54 Nm) 2 items
    68. 54 lb-in (6.10 Nm) 8 items
    69. 60 lb-in (6.78 Nm) 4 items
    70. 60.0 lb-in (6.78 Nm) 4 items
    71. 54.0 lb-in (6.10 Nm) 10 items
    72. 63 lb-in (7.12 Nm) 2 items
    73. 63.0 lb-in (7.12 Nm) 2 items
    74. 70 lb-in (7.91 Nm) 14 items
    75. 70.0 lb-in (7.91 Nm) 12 items
    76. 81 lb-in (9.15 Nm) 8 items
    77. 81.0 lb-in (9.15 Nm) 10 items
    78. 86 lb-in (9.72 Nm) 4 items
    79. 86.0 lb-in (9.72 Nm) 4 items
    80. 92 lb-in (10.40 Nm) 2 items
    81. 92.0 lb-in (10.40 Nm) 2 items
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