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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 PCR20-1/2"-10MM-SS, Four Beam Coupling
      PCR20-1/2"-10MM-SS
      As low as $146.33 $214.61
      Ruland PCR20-1/2"-10MM-SS, 1/2" x 10mm Four Beam Coupling, Stainless Steel, Clamp Style, 1.250" (31.8mm) OD, 1.500" (38.1mm) Length
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    2. Ruland PCR20-1/2"-11MM-SS, Four Beam Coupling
      PCR20-1/2"-11MM-SS
      As low as $146.33 $214.61
      Ruland PCR20-1/2"-11MM-SS, 1/2" x 11mm Four Beam Coupling, Stainless Steel, Clamp Style, 1.250" (31.8mm) OD, 1.500" (38.1mm) Length
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    3. Ruland PCR20-1/2"-12MM-SS, Four Beam Coupling
      PCR20-1/2"-12MM-SS
      As low as $146.33 $214.61
      Ruland PCR20-1/2"-12MM-SS, 1/2" x 12mm Four Beam Coupling, Stainless Steel, Clamp Style, 1.250" (31.8mm) OD, 1.500" (38.1mm) Length
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    4. Ruland PCR20-1/2"-6MM-SS, Four Beam Coupling
      PCR20-1/2"-6MM-SS
      As low as $146.33 $214.61
      Ruland PCR20-1/2"-6MM-SS, 1/2" x 6mm Four Beam Coupling, Stainless Steel, Clamp Style, 1.250" (31.8mm) OD, 1.500" (38.1mm) Length
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    5. Ruland PCR20-1/2"-7MM-SS, Four Beam Coupling
      PCR20-1/2"-7MM-SS
      As low as $146.33 $214.61
      Ruland PCR20-1/2"-7MM-SS, 1/2" x 7mm Four Beam Coupling, Stainless Steel, Clamp Style, 1.250" (31.8mm) OD, 1.500" (38.1mm) Length
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    6. Ruland PCR20-1/2"-8MM-SS, Four Beam Coupling
      PCR20-1/2"-8MM-SS
      As low as $146.33 $214.61
      Ruland PCR20-1/2"-8MM-SS, 1/2" x 8mm Four Beam Coupling, Stainless Steel, Clamp Style, 1.250" (31.8mm) OD, 1.500" (38.1mm) Length
      Add to Compare
    7. Ruland PCR20-1/2"-9MM-SS, Four Beam Coupling
      PCR20-1/2"-9MM-SS
      As low as $146.33 $214.61
      Ruland PCR20-1/2"-9MM-SS, 1/2" x 9mm Four Beam Coupling, Stainless Steel, Clamp Style, 1.250" (31.8mm) OD, 1.500" (38.1mm) Length
      Add to Compare
    8. Ruland PSR20-1/2"-10MM-SS, Four Beam Coupling
      PSR20-1/2"-10MM-SS
      As low as $135.37 $198.54
      Ruland PSR20-1/2"-10MM-SS, 1/2" x 10mm Four Beam Coupling, Stainless Steel, Set Screw Style, 1.250" (31.8mm) OD, 1.500" (38.1mm) Length
      Add to Compare
    9. Ruland PSR20-1/2"-11MM-SS, Four Beam Coupling
      PSR20-1/2"-11MM-SS
      As low as $135.37 $198.54
      Ruland PSR20-1/2"-11MM-SS, 1/2" x 11mm Four Beam Coupling, Stainless Steel, Set Screw Style, 1.250" (31.8mm) OD, 1.500" (38.1mm) Length
      Add to Compare
    10. Ruland PSR20-1/2"-12MM-SS, Four Beam Coupling
      PSR20-1/2"-12MM-SS
      As low as $135.37 $198.54
      Ruland PSR20-1/2"-12MM-SS, 1/2" x 12mm Four Beam Coupling, Stainless Steel, Set Screw Style, 1.250" (31.8mm) OD, 1.500" (38.1mm) Length
      Add to Compare
    11. Ruland PSR20-1/2"-6MM-SS, Four Beam Coupling
      PSR20-1/2"-6MM-SS
      As low as $135.37 $198.54
      Ruland PSR20-1/2"-6MM-SS, 1/2" x 6mm Four Beam Coupling, Stainless Steel, Set Screw Style, 1.250" (31.8mm) OD, 1.500" (38.1mm) Length
      Add to Compare
    12. Ruland PSR20-1/2"-7MM-SS, Four Beam Coupling
      PSR20-1/2"-7MM-SS
      As low as $135.37 $198.54
      Ruland PSR20-1/2"-7MM-SS, 1/2" x 7mm Four Beam Coupling, Stainless Steel, Set Screw Style, 1.250" (31.8mm) OD, 1.500" (38.1mm) Length
      Add to Compare
    13. Ruland PSR20-1/2"-8MM-SS, Four Beam Coupling
      PSR20-1/2"-8MM-SS
      As low as $135.37 $198.54
      Ruland PSR20-1/2"-8MM-SS, 1/2" x 8mm Four Beam Coupling, Stainless Steel, Set Screw Style, 1.250" (31.8mm) OD, 1.500" (38.1mm) Length
      Add to Compare
    14. Ruland PSR20-1/2"-9MM-SS, Four Beam Coupling
      PSR20-1/2"-9MM-SS
      As low as $135.37 $198.54
      Ruland PSR20-1/2"-9MM-SS, 1/2" x 9mm Four Beam Coupling, Stainless Steel, Set Screw Style, 1.250" (31.8mm) OD, 1.500" (38.1mm) Length
      Add to Compare
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