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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 PCMR32-7-6-A, Four Beam Coupling
      PCMR32-7-6-A
      As low as $58.15 $85.29
      Ruland PCMR32-7-6-A, 7mm x 6mm Four Beam Coupling, Aluminum, Clamp Style, 31.8mm OD, 38.1mm Length
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    2. Ruland PCMR32-7-7-A, Four Beam Coupling
      PCMR32-7-7-A
      As low as $58.15 $85.29
      Ruland PCMR32-7-7-A, 7mm x 7mm Four Beam Coupling, Aluminum, Clamp Style, 31.8mm OD, 38.1mm Length
      Add to Compare
    3. Ruland PCMR32-8-6-A, Four Beam Coupling
      PCMR32-8-6-A
      As low as $58.15 $85.29
      Ruland PCMR32-8-6-A, 8mm x 6mm Four Beam Coupling, Aluminum, Clamp Style, 31.8mm OD, 38.1mm Length
      Add to Compare
    4. Ruland PCMR32-8-7-A, Four Beam Coupling
      PCMR32-8-7-A
      As low as $58.15 $85.29
      Ruland PCMR32-8-7-A, 8mm x 7mm Four Beam Coupling, Aluminum, Clamp Style, 31.8mm OD, 38.1mm Length
      Add to Compare
    5. Ruland PCMR32-8-8-A, Four Beam Coupling
      PCMR32-8-8-A
      As low as $58.15 $85.29
      Ruland PCMR32-8-8-A, 8mm x 8mm Four Beam Coupling, Aluminum, Clamp Style, 31.8mm OD, 38.1mm Length
      Add to Compare
    6. Ruland PSMR32-7-6-A, Four Beam Coupling
      PSMR32-7-6-A
      As low as $50.14 $73.54
      Ruland PSMR32-7-6-A, 7mm x 6mm Four Beam Coupling, Aluminum, Set Screw Style, 31.8mm OD, 38.1mm Length
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    7. Ruland PSMR32-7-7-A, Four Beam Coupling
      PSMR32-7-7-A
      As low as $50.14 $73.54
      Ruland PSMR32-7-7-A, 7mm x 7mm Four Beam Coupling, Aluminum, Set Screw Style, 31.8mm OD, 38.1mm Length
      Add to Compare
    8. Ruland PSMR32-8-6-A, Four Beam Coupling
      PSMR32-8-6-A
      As low as $50.14 $73.54
      Ruland PSMR32-8-6-A, 8mm x 6mm Four Beam Coupling, Aluminum, Set Screw Style, 31.8mm OD, 38.1mm Length
      Add to Compare
    9. Ruland PSMR32-8-7-A, Four Beam Coupling
      PSMR32-8-7-A
      As low as $50.14 $73.54
      Ruland PSMR32-8-7-A, 8mm x 7mm Four Beam Coupling, Aluminum, Set Screw Style, 31.8mm OD, 38.1mm Length
      Add to Compare
    10. Ruland PSMR32-8-8-A, Four Beam Coupling
      PSMR32-8-8-A
      As low as $50.14 $73.54
      Ruland PSMR32-8-8-A, 8mm x 8mm Four Beam Coupling, Aluminum, Set Screw Style, 31.8mm OD, 38.1mm Length
      Add to Compare
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