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    Beam Couplings for Encoders

    Ruland 4-beam couplings are manufactured from a single piece of aluminum or stainless steel with multiple spiral (helical) cuts allowing for a zero-backlash encoder coupling with higher accuracy and better overall misalignment capabilities than traditional single beam couplings. They are designed with extra flexibility to provide reduced bearing loads, which is critical in encoders which have small sensitive bearings. Ruland 4-beam couplings have a balanced design for reduced vibration at speeds up to 6,000 RPM. Ruland manufactures two series of 4-beam couplings, P and MW, giving designers a variety of performance and dimensional characteristics to choose from. Ruland manufactures 4-beam couplings in our Marlborough, Massachusetts factory with bore sizes ranging from 3/32” to 1/2” or 3mm to 12mm.

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    1. 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
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    2. 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
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    3. 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
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    4. 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
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    5. 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
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    6. Ruland PCMR25-9-6-SS, Four Beam Coupling
      PCMR25-9-6-SS
      As low as $99.80 $146.37
      Ruland PCMR25-9-6-SS, 9mm x 6mm Four Beam Coupling, Stainless Steel, Clamp Style, 25.4mm OD, 31.8mm Length
      Add to Compare
    7. Ruland PCMR25-9-7-SS, Four Beam Coupling
      PCMR25-9-7-SS
      As low as $99.80 $146.37
      Ruland PCMR25-9-7-SS, 9mm x 7mm Four Beam Coupling, Stainless Steel, Clamp Style, 25.4mm OD, 31.8mm Length
      Add to Compare
    8. Ruland PCMR25-9-8-SS, Four Beam Coupling
      PCMR25-9-8-SS
      As low as $99.80 $146.37
      Ruland PCMR25-9-8-SS, 9mm x 8mm Four Beam Coupling, Stainless Steel, Clamp Style, 25.4mm OD, 31.8mm Length
      Add to Compare
    9. Ruland PCMR25-9-9-SS, Four Beam Coupling
      PCMR25-9-9-SS
      As low as $99.80 $146.37
      Ruland PCMR25-9-9-SS, 9mm x 9mm Four Beam Coupling, Stainless Steel, Clamp Style, 25.4mm OD, 31.8mm Length
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    10. Ruland PSMR25-10-10-SS, Four Beam Coupling
      PSMR25-10-10-SS
      As low as $89.84 $131.76
      Ruland PSMR25-10-10-SS, 10mm x 10mm Four Beam Coupling, Stainless Steel, Set Screw Style, 25.4mm OD, 31.8mm Length
      Add to Compare
    11. Ruland PSMR25-10-6-SS, Four Beam Coupling
      PSMR25-10-6-SS
      As low as $89.84 $131.76
      Ruland PSMR25-10-6-SS, 10mm x 6mm Four Beam Coupling, Stainless Steel, Set Screw Style, 25.4mm OD, 31.8mm Length
      Add to Compare
    12. Ruland PSMR25-10-7-SS, Four Beam Coupling
      PSMR25-10-7-SS
      As low as $89.84 $131.76
      Ruland PSMR25-10-7-SS, 10mm x 7mm Four Beam Coupling, Stainless Steel, Set Screw Style, 25.4mm OD, 31.8mm Length
      Add to Compare
    13. Ruland PSMR25-10-8-SS, Four Beam Coupling
      PSMR25-10-8-SS
      As low as $89.84 $131.76
      Ruland PSMR25-10-8-SS, 10mm x 8mm Four Beam Coupling, Stainless Steel, Set Screw Style, 25.4mm OD, 31.8mm Length
      Add to Compare
    14. Ruland PSMR25-10-9-SS, Four Beam Coupling
      PSMR25-10-9-SS
      As low as $89.84 $131.76
      Ruland PSMR25-10-9-SS, 10mm x 9mm Four Beam Coupling, Stainless Steel, Set Screw Style, 25.4mm OD, 31.8mm Length
      Add to Compare
    15. PSMR25-9-6-SS
      PSMR25-9-6-SS
      As low as $89.84 $131.76
      Ruland PSMR25-9-6-SS, 9mm x 6mm Four Beam Coupling, Stainless Steel, Set Screw Style, 25.4mm OD, 31.8mm Length
      Add to Compare
    16. PSMR25-9-7-SS
      PSMR25-9-7-SS
      As low as $89.84 $131.76
      Ruland PSMR25-9-7-SS, 9mm x 7mm Four Beam Coupling, Stainless Steel, Set Screw Style, 25.4mm OD, 31.8mm Length
      Add to Compare
    17. PSMR25-9-8-SS
      PSMR25-9-8-SS
      As low as $89.84 $131.76
      Ruland PSMR25-9-8-SS, 9mm x 8mm Four Beam Coupling, Stainless Steel, Set Screw Style, 25.4mm OD, 31.8mm Length
      Add to Compare
    18. PSMR25-9-9-SS
      PSMR25-9-9-SS
      As low as $89.84 $131.76
      Ruland PSMR25-9-9-SS, 9mm x 9mm Four Beam Coupling, Stainless Steel, Set Screw Style, 25.4mm OD, 31.8mm Length
      Add to Compare
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