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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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    Items 1-24 of 524

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    1. Ruland PSMR10-3-3-A, Four Beam Coupling
      PSMR10-3-3-A
      As low as $29.62 $43.44
      Ruland PSMR10-3-3-A, 3mm x 3mm Four Beam Coupling, Aluminum, Set Screw Style, 9.5mm OD, 14.3mm Length
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    2. Ruland PSMR10-3-3-SS, Four Beam Coupling
      PSMR10-3-3-SS
      As low as $79.31 $116.32
      Ruland PSMR10-3-3-SS, 3mm x 3mm Four Beam Coupling, Stainless Steel, Set Screw Style, 9.5mm OD, 14.3mm Length
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    3. Ruland PSMR13-3-3-A, Four Beam Coupling
      PSMR13-3-3-A
      As low as $28.30 $41.51
      Ruland PSMR13-3-3-A, 3mm x 3mm Four Beam Coupling, Aluminum, Set Screw Style, 12.7mm OD, 19.1mm Length
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    4. Ruland PSMR13-3-3-SS, Four Beam Coupling
      PSMR13-3-3-SS
      As low as $80.84 $118.56
      Ruland PSMR13-3-3-SS, 3mm x 3mm Four Beam Coupling, Stainless Steel, Set Screw Style, 12.7mm OD, 19.1mm Length
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    5. Ruland PSMR16-3-3-A, Four Beam Coupling
      PSMR16-3-3-A
      As low as $27.28 $40.01
      Ruland PSMR16-3-3-A, 3mm x 3mm Four Beam Coupling, Aluminum, Set Screw Style, 15.9mm OD, 20.3mm Length
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    6. Ruland PSMR16-3-3-SS, Four Beam Coupling
      PSMR16-3-3-SS
      As low as $80.07 $117.44
      Ruland PSMR16-3-3-SS, 3mm x 3mm Four Beam Coupling, Stainless Steel, Set Screw Style, 15.9mm OD, 20.3mm Length
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    7. Ruland PSMR16-4-3-A, Four Beam Coupling
      PSMR16-4-3-A
      As low as $27.28 $40.01
      Ruland PSMR16-4-3-A, 4mm x 3mm Four Beam Coupling, Aluminum, Set Screw Style, 15.9mm OD, 20.3mm Length
      Add to Compare
    8. Ruland PSMR16-4-3-SS, Four Beam Coupling
      PSMR16-4-3-SS
      As low as $80.07 $117.44
      Ruland PSMR16-4-3-SS, 4mm x 3mm Four Beam Coupling, Stainless Steel, Set Screw Style, 15.9mm OD, 20.3mm Length
      Add to Compare
    9. Ruland PSMR16-4-4-A, Four Beam Coupling
      PSMR16-4-4-A
      As low as $27.28 $40.01
      Ruland PSMR16-4-4-A, 4mm x 4mm Four Beam Coupling, Aluminum, Set Screw Style, 15.9mm OD, 20.3mm Length
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    10. Ruland PSMR16-4-4-SS, Four Beam Coupling
      PSMR16-4-4-SS
      As low as $80.07 $117.44
      Ruland PSMR16-4-4-SS, 4mm x 4mm Four Beam Coupling, Stainless Steel, Set Screw Style, 15.9mm OD, 20.3mm Length
      Add to Compare
    11. Ruland PSMR16-5-3-A, Four Beam Coupling
      PSMR16-5-3-A
      As low as $27.28 $40.01
      Ruland PSMR16-5-3-A, 5mm x 3mm Four Beam Coupling, Aluminum, Set Screw Style, 15.9mm OD, 20.3mm Length
      Add to Compare
    12. Ruland PSMR16-5-3-SS, Four Beam Coupling
      PSMR16-5-3-SS
      As low as $80.07 $117.44
      Ruland PSMR16-5-3-SS, 5mm x 3mm Four Beam Coupling, Stainless Steel, Set Screw Style, 15.9mm OD, 20.3mm Length
      Add to Compare
    13. Ruland PSMR16-5-4-A, Four Beam Coupling
      PSMR16-5-4-A
      As low as $27.28 $40.01
      Ruland PSMR16-5-4-A, 5mm x 4mm Four Beam Coupling, Aluminum, Set Screw Style, 15.9mm OD, 20.3mm Length
      Add to Compare
    14. Ruland PSMR16-5-4-SS, Four Beam Coupling
      PSMR16-5-4-SS
      As low as $80.07 $117.44
      Ruland PSMR16-5-4-SS, 5mm x 4mm Four Beam Coupling, Stainless Steel, Set Screw Style, 15.9mm OD, 20.3mm Length
      Add to Compare
    15. Ruland PSMR16-5-5-A, Four Beam Coupling
      PSMR16-5-5-A
      As low as $27.28 $40.01
      Ruland PSMR16-5-5-A, 5mm x 5mm Four Beam Coupling, Aluminum, Set Screw Style, 15.9mm OD, 20.3mm Length
      Add to Compare
    16. Ruland PSMR16-5-5-SS, Four Beam Coupling
      PSMR16-5-5-SS
      As low as $80.07 $117.44
      Ruland PSMR16-5-5-SS, 5mm x 5mm Four Beam Coupling, Stainless Steel, Set Screw Style, 15.9mm OD, 20.3mm Length
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    17. Ruland PSMR19-3-3-A, Four Beam Coupling
      PSMR19-3-3-A
      As low as $28.58 $41.91
      Ruland PSMR19-3-3-A, 3mm x 3mm Four Beam Coupling, Aluminum, Set Screw Style, 19.1mm OD, 22.9mm Length
      Add to Compare
    18. Ruland PSMR19-3-3-SS, Four Beam Coupling
      PSMR19-3-3-SS
      As low as $72.98 $107.04
      Ruland PSMR19-3-3-SS, 3mm x 3mm Four Beam Coupling, Stainless Steel, Set Screw Style, 19.1mm OD, 22.9mm Length
      Add to Compare
    19. Ruland PSMR19-4-3-A, Four Beam Coupling
      PSMR19-4-3-A
      As low as $28.58 $41.91
      Ruland PSMR19-4-3-A, 4mm x 3mm Four Beam Coupling, Aluminum, Set Screw Style, 19.1mm OD, 22.9mm Length
      Add to Compare
    20. Ruland PSMR19-4-3-SS, Four Beam Coupling
      PSMR19-4-3-SS
      As low as $72.98 $107.04
      Ruland PSMR19-4-3-SS, 4mm x 3mm Four Beam Coupling, Stainless Steel, Set Screw Style, 19.1mm OD, 22.9mm Length
      Add to Compare
    21. Ruland PSMR19-4-4-A, Four Beam Coupling
      PSMR19-4-4-A
      As low as $28.58 $41.91
      Ruland PSMR19-4-4-A, 4mm x 4mm Four Beam Coupling, Aluminum, Set Screw Style, 19.1mm OD, 22.9mm Length
      Add to Compare
    22. Ruland PSMR19-4-4-SS, Four Beam Coupling
      PSMR19-4-4-SS
      As low as $72.98 $107.04
      Ruland PSMR19-4-4-SS, 4mm x 4mm Four Beam Coupling, Stainless Steel, Set Screw Style, 19.1mm OD, 22.9mm Length
      Add to Compare
    23. Ruland PSMR19-5-3-A, Four Beam Coupling
      PSMR19-5-3-A
      As low as $28.58 $41.91
      Ruland PSMR19-5-3-A, 5mm x 3mm Four Beam Coupling, Aluminum, Set Screw Style, 19.1mm OD, 22.9mm Length
      Add to Compare
    24. Ruland PSMR19-5-3-SS, Four Beam Coupling
      PSMR19-5-3-SS
      As low as $72.98 $107.04
      Ruland PSMR19-5-3-SS, 5mm x 3mm Four Beam Coupling, Stainless Steel, Set Screw Style, 19.1mm OD, 22.9mm Length
      Add to Compare
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    Style
    1. Clamp 525 items
    2. Set Screw 524 items
    Unit of Measurement
    1. Inch 104 items
    2. Inch/Metric 222 items
    3. Metric 198 items
    Bore (B1)
    1. 0.0938 in 4 items
    2. 0.1250 in 14 items
    3. 0.1563 in 12 items
    4. 0.1875 in 22 items
    5. 0.2500 in 36 items
    6. 0.3125 in 36 items
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    8. 0.5000 in 44 items
    9. 3 mm 12 items
    10. 4 mm 16 items
    11. 5 mm 28 items
    12. 6 mm 26 items
    13. 7 mm 28 items
    14. 8 mm 44 items
    15. 9 mm 36 items
    16. 10 mm 48 items
    17. 11 mm 36 items
    18. 12 mm 40 items
    Small Bore (B2)
    1. 0.0938 in 10 items
    2. 0.1250 in 26 items
    3. 0.1563 in 20 items
    4. 0.1875 in 26 items
    5. 0.2500 in 64 items
    6. 0.3125 in 46 items
    7. 0.3750 in 24 items
    8. 0.5000 in 4 items
    9. 3 mm 34 items
    10. 4 mm 16 items
    11. 5 mm 20 items
    12. 6 mm 74 items
    13. 7 mm 54 items
    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 262 items
    2. Aluminum 262 items
    Outer Diameter (OD)
    1. 0.375 in 2 items
    2. 0.500 in 6 items
    3. 0.625 in 12 items
    4. 0.750 in 20 items
    5. 0.875 in 12 items
    6. 1.000 in 12 items
    7. 1.125 in 20 items
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    9. 0.375 in (9.5 mm) 2 items
    10. 0.500 in (12.7 mm) 4 items
    11. 0.625 in (15.9 mm) 18 items
    12. 0.750 in (19.1 mm) 32 items
    13. 0.875 in (22.2 mm) 24 items
    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
    3. 0.800 in 12 items
    4. 0.900 in 20 items
    5. 1.063 in 12 items
    6. 1.250 in 12 items
    7. 1.500 in 40 items
    8. 0.563 in (14.3 mm) 2 items
    9. 0.750 in (19.1 mm) 4 items
    10. 0.800 in (20.3 mm) 18 items
    11. 0.900 in (22.9 mm) 32 items
    12. 1.063 in (27.0 mm) 24 items
    13. 1.250 in (31.8 mm) 30 items
    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. 0.62 Nm 1 item
    2. 0.85 Nm 1 item
    3. 0.90 Nm 1 item
    4. 1.24 Nm 1 item
    5. 1.36 Nm 5 items
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    32. 7.12 Nm 1 item
    33. 7.23 Nm 5 items
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    35. 7.91 Nm 14 items
    36. 9.15 Nm 12 items
    37. 9.72 Nm 5 items
    38. 10.40 Nm 1 item
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    80. 11 lb-in (1.24 Nm) 1 item
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    101. 24 lb-in (2.71 Nm) 2 items
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    103. 26 lb-in (2.94 Nm) 1 item
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    107. 33 lb-in (3.73 Nm) 2 items
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    109. 34 lb-in (3.84 Nm) 7 items
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    124. 49 lb-in (5.54 Nm) 1 item
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    126. 52 lb-in (5.88 Nm) 7 items
    127. 54 lb-in (6.10 Nm) 4 items
    128. 60 lb-in (6.78 Nm) 6 items
    129. 60.0 lb-in (6.78 Nm) 9 items
    130. 52.0 lb-in (5.88 Nm) 6 items
    131. 54.0 lb-in (6.10 Nm) 5 items
    132. 63 lb-in (7.12 Nm) 1 item
    133. 63.0 lb-in (7.12 Nm) 1 item
    134. 64 lb-in (7.23 Nm) 2 items
    135. 64.0 lb-in (7.23 Nm) 2 items
    136. 68 lb-in (7.68 Nm) 1 item
    137. 68.0 lb-in (7.68 Nm) 1 item
    138. 70 lb-in (7.91 Nm) 7 items
    139. 70.0 lb-in (7.91 Nm) 6 items
    140. 81 lb-in (9.15 Nm) 4 items
    141. 81.0 lb-in (9.15 Nm) 5 items
    142. 86 lb-in (9.72 Nm) 2 items
    143. 86.0 lb-in (9.72 Nm) 2 items
    144. 92 lb-in (10.40 Nm) 1 item
    145. 92.0 lb-in (10.40 Nm) 1 item
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