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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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    22 Items

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    1. 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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    2. 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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    3. Ruland PCR18-8MM-1/4"-SS, Four Beam Coupling
      PCR18-8MM-1/4"-SS
      As low as $119.59 $175.40
      Ruland PCR18-8MM-1/4"-SS, 8mm x 1/4" Four Beam Coupling, Stainless Steel, Clamp Style, 1.125" (28.6mm) OD, 1.500" (38.1mm) Length
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    4. Ruland PCR18-8MM-5/16"-SS, Four Beam Coupling
      PCR18-8MM-5/16"-SS
      As low as $119.59 $175.40
      Ruland PCR18-8MM-5/16"-SS, 8mm x 5/16" Four Beam Coupling, Stainless Steel, Clamp Style, 1.125" (28.6mm) OD, 1.500" (38.1mm) Length
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    5. Ruland PCR18-9MM-1/4"-A, Four Beam Coupling
      PCR18-9MM-1/4"-A
      As low as $47.49 $69.65
      Ruland PCR18-9MM-1/4"-A, 9mm x 1/4" Four Beam Coupling, Aluminum, Clamp Style, 1.125" (28.6mm) OD, 1.500" (38.1mm) Length
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    6. Ruland PCR18-9MM-5/16"-A, Four Beam Coupling
      PCR18-9MM-5/16"-A
      As low as $47.49 $69.65
      Ruland PCR18-9MM-5/16"-A, 9mm x 5/16" Four Beam Coupling, Aluminum, Clamp Style, 1.125" (28.6mm) OD, 1.500" (38.1mm) Length
      Add to Compare
    7. Ruland PCR20-10MM-1/4"-A, Four Beam Coupling
      PCR20-10MM-1/4"-A
      As low as $58.15 $85.29
      Ruland PCR20-10MM-1/4"-A, 10mm x 1/4" Four Beam Coupling, Aluminum, Clamp Style, 1.250" (31.8mm) OD, 1.500" (38.1mm) Length
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    8. Ruland PCR20-10MM-3/8"-A, Four Beam Coupling
      PCR20-10MM-3/8"-A
      As low as $58.15 $85.29
      Ruland PCR20-10MM-3/8"-A, 10mm x 3/8" Four Beam Coupling, Aluminum, Clamp Style, 1.250" (31.8mm) OD, 1.500" (38.1mm) Length
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    9. Ruland PCR20-10MM-5/16"-A, Four Beam Coupling
      PCR20-10MM-5/16"-A
      As low as $58.15 $85.29
      Ruland PCR20-10MM-5/16"-A, 10mm x 5/16" Four Beam Coupling, Aluminum, Clamp Style, 1.250" (31.8mm) OD, 1.500" (38.1mm) Length
      Add to Compare
    10. Ruland PCR20-9MM-1/4"-A, Four Beam Coupling
      PCR20-9MM-1/4"-A
      As low as $58.15 $85.29
      Ruland PCR20-9MM-1/4"-A, 9mm x 1/4" Four Beam Coupling, Aluminum, Clamp Style, 1.250" (31.8mm) OD, 1.500" (38.1mm) Length
      Add to Compare
    11. Ruland PCR20-9MM-5/16"-A, Four Beam Coupling
      PCR20-9MM-5/16"-A
      As low as $58.15 $85.29
      Ruland PCR20-9MM-5/16"-A, 9mm x 5/16" Four Beam Coupling, Aluminum, Clamp Style, 1.250" (31.8mm) OD, 1.500" (38.1mm) Length
      Add to Compare
    12. Ruland PSMR22-6-5-SS, Four Beam Coupling
      PSMR22-6-5-SS
      As low as $90.29 $132.43
      Ruland PSMR22-6-5-SS, 6mm x 5mm Four Beam Coupling, Stainless Steel, Set Screw Style, 22.2mm OD, 27.0mm Length
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    13. Ruland PSMR22-6-6-SS, Four Beam Coupling
      PSMR22-6-6-SS
      As low as $90.29 $132.43
      Ruland PSMR22-6-6-SS, 6mm x 6mm Four Beam Coupling, Stainless Steel, Set Screw Style, 22.2mm OD, 27.0mm Length
      Add to Compare
    14. Ruland PSR18-8MM-1/4"-SS, Four Beam Coupling
      PSR18-8MM-1/4"-SS
      As low as $110.57 $162.16
      Ruland PSR18-8MM-1/4"-SS, 8mm x 1/4" Four Beam Coupling, Stainless Steel, Set Screw Style, 1.125" (28.6mm) OD, 1.500" (38.1mm) Length
      Add to Compare
    15. Ruland PSR18-8MM-5/16"-SS, Four Beam Coupling
      PSR18-8MM-5/16"-SS
      As low as $110.57 $162.16
      Ruland PSR18-8MM-5/16"-SS, 8mm x 5/16" Four Beam Coupling, Stainless Steel, Set Screw Style, 1.125" (28.6mm) OD, 1.500" (38.1mm) Length
      Add to Compare
    16. Ruland PSR18-9MM-1/4"-A, Four Beam Coupling
      PSR18-9MM-1/4"-A
      As low as $41.35 $60.64
      Ruland PSR18-9MM-1/4"-A, 9mm x 1/4" Four Beam Coupling, Aluminum, Set Screw Style, 1.125" (28.6mm) OD, 1.500" (38.1mm) Length
      Add to Compare
    17. Ruland PSR18-9MM-5/16"-A, Four Beam Coupling
      PSR18-9MM-5/16"-A
      As low as $41.35 $60.64
      Ruland PSR18-9MM-5/16"-A, 9mm x 5/16" Four Beam Coupling, Aluminum, Set Screw Style, 1.125" (28.6mm) OD, 1.500" (38.1mm) Length
      Add to Compare
    18. Ruland PSR20-10MM-1/4"-A, Four Beam Coupling
      PSR20-10MM-1/4"-A
      As low as $50.14 $73.54
      Ruland PSR20-10MM-1/4"-A, 10mm x 1/4" Four Beam Coupling, Aluminum, Set Screw Style, 1.250" (31.8mm) OD, 1.500" (38.1mm) Length
      Add to Compare
    19. Ruland PSR20-10MM-3/8"-A, Four Beam Coupling
      PSR20-10MM-3/8"-A
      As low as $50.14 $73.54
      Ruland PSR20-10MM-3/8"-A, 10mm x 3/8" Four Beam Coupling, Aluminum, Set Screw Style, 1.250" (31.8mm) OD, 1.500" (38.1mm) Length
      Add to Compare
    20. Ruland PSR20-10MM-5/16"-A, Four Beam Coupling
      PSR20-10MM-5/16"-A
      As low as $50.14 $73.54
      Ruland PSR20-10MM-5/16"-A, 10mm x 5/16" Four Beam Coupling, Aluminum, Set Screw Style, 1.250" (31.8mm) OD, 1.500" (38.1mm) Length
      Add to Compare
    21. Ruland PSR20-9MM-1/4"-A, Four Beam Coupling
      PSR20-9MM-1/4"-A
      As low as $50.14 $73.54
      Ruland PSR20-9MM-1/4"-A, 9mm x 1/4" Four Beam Coupling, Aluminum, Set Screw Style, 1.250" (31.8mm) OD, 1.500" (38.1mm) Length
      Add to Compare
    22. Ruland PSR20-9MM-5/16"-A, Four Beam Coupling
      PSR20-9MM-5/16"-A
      As low as $50.14 $73.54
      Ruland PSR20-9MM-5/16"-A, 9mm x 5/16" Four Beam Coupling, Aluminum, Set Screw Style, 1.250" (31.8mm) OD, 1.500" (38.1mm) Length
      Add to Compare
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