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    Beam Couplings for Automation & Linear Motion Applications

    Ruland beam couplings are machined from a single piece of aluminum or stainless steel with multiple spiral (helical) cuts allowing for greater torque, torsional stiffness, and parallel misalignment capabilities than commodity style single beam couplings. Ruland manufactures 4- and 6-beam couplings. The 4-beam style (P- and MW-Series) has two sets of two beams allowing for greater flexibility and more compact lengths than 6-beam couplings. They are ideally suited for encoders or other positioning sensors commonly found connected to a servo motor in automation and linear systems. The 6-beam style (F-series) has two sets of three beams for higher torque and torsional stiffness capabilities. They can also be used in encoders where a longer length is needed as well as for light duty power transmission applications such as connecting a stepper motor to a lead screw. It is common to use a 6-beam coupling in an application with low to moderate acceleration/deceleration curves such as an inspection system due to their dampening capabilities.

    Designers of linear and automation systems typically prefer aluminum beam couplings for their cost effectiveness and low inertia. Stainless steel beam couplings have higher torque capacity, but significantly increased inertia than aluminum types. Ruland manufactures beam couplings with a zero-backlash balanced design for smooth operation up to 6,000 RPM. They are available with clamp or set screw attachments in bore sizes ranging from 3/32” to 3/4” and 3mm to 20mm.

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    22 Items

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    1. Ruland FCMR38-20-10-SS, Six Beam Coupling
      FCMR38-20-10-SS
      As low as $219.49 $321.92
      Ruland FCMR38-20-10-SS, 20mm x 10mm Six Beam Coupling, Stainless Steel, Clamp Style, 38.1mm OD, 57.2mm Length
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    2. Ruland FCMR38-20-11-SS, Six Beam Coupling
      FCMR38-20-11-SS
      As low as $219.49 $321.92
      Ruland FCMR38-20-11-SS, 20mm x 11mm Six Beam Coupling, Stainless Steel, Clamp Style, 38.1mm OD, 57.2mm Length
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    3. Ruland FCMR38-20-12-SS, Six Beam Coupling
      FCMR38-20-12-SS
      As low as $219.49 $321.92
      Ruland FCMR38-20-12-SS, 20mm x 12mm Six Beam Coupling, Stainless Steel, Clamp Style, 38.1mm OD, 57.2mm Length
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    4. Ruland FCMR38-20-13-SS, Six Beam Coupling
      FCMR38-20-13-SS
      As low as $219.49 $321.92
      Ruland FCMR38-20-13-SS, 20mm x 13mm Six Beam Coupling, Stainless Steel, Clamp Style, 38.1mm OD, 57.2mm Length
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    5. Ruland FCMR38-20-14-SS, Six Beam Coupling
      FCMR38-20-14-SS
      As low as $219.49 $321.92
      Ruland FCMR38-20-14-SS, 20mm x 14mm Six Beam Coupling, Stainless Steel, Clamp Style, 38.1mm OD, 57.2mm Length
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    6. Ruland FCMR38-20-15-SS, Six Beam Coupling
      FCMR38-20-15-SS
      As low as $219.49 $321.92
      Ruland FCMR38-20-15-SS, 20mm x 15mm Six Beam Coupling, Stainless Steel, Clamp Style, 38.1mm OD, 57.2mm Length
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    7. Ruland FCMR38-20-16-SS, Six Beam Coupling
      FCMR38-20-16-SS
      As low as $219.49 $321.92
      Ruland FCMR38-20-16-SS, 20mm x 16mm Six Beam Coupling, Stainless Steel, Clamp Style, 38.1mm OD, 57.2mm Length
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    8. Ruland FCMR38-20-17-SS, Six Beam Coupling
      FCMR38-20-17-SS
      As low as $219.49 $321.92
      Ruland FCMR38-20-17-SS, 20mm x 17mm Six Beam Coupling, Stainless Steel, Clamp Style, 38.1mm OD, 57.2mm Length
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    9. Ruland FCMR38-20-18-SS, Six Beam Coupling
      FCMR38-20-18-SS
      As low as $219.49 $321.92
      Ruland FCMR38-20-18-SS, 20mm x 18mm Six Beam Coupling, Stainless Steel, Clamp Style, 38.1mm OD, 57.2mm Length
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    10. Ruland FCMR38-20-19-SS, Six Beam Coupling
      FCMR38-20-19-SS
      As low as $219.49 $321.92
      Ruland FCMR38-20-19-SS, 20mm x 19mm Six Beam Coupling, Stainless Steel, Clamp Style, 38.1mm OD, 57.2mm Length
      Add to Compare
    11. Ruland FCMR38-20-20-SS, Six Beam Coupling
      FCMR38-20-20-SS
      As low as $219.49 $321.92
      Ruland FCMR38-20-20-SS, 20mm x 20mm Six Beam Coupling, Stainless Steel, Clamp Style, 38.1mm OD, 57.2mm Length
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    12. Ruland FSMR38-20-10-SS, Six Beam Coupling
      FSMR38-20-10-SS
      As low as $203.03 $297.77
      Ruland FSMR38-20-10-SS, 20mm x 10mm Six Beam Coupling, Stainless Steel, Set Screw Style, 38.1mm OD, 57.2mm Length
      Add to Compare
    13. Ruland FSMR38-20-11-SS, Six Beam Coupling
      FSMR38-20-11-SS
      As low as $203.03 $297.77
      Ruland FSMR38-20-11-SS, 20mm x 11mm Six Beam Coupling, Stainless Steel, Set Screw Style, 38.1mm OD, 57.2mm Length
      Add to Compare
    14. Ruland FSMR38-20-12-SS, Six Beam Coupling
      FSMR38-20-12-SS
      As low as $203.03 $297.77
      Ruland FSMR38-20-12-SS, 20mm x 12mm Six Beam Coupling, Stainless Steel, Set Screw Style, 38.1mm OD, 57.2mm Length
      Add to Compare
    15. Ruland FSMR38-20-13-SS, Six Beam Coupling
      FSMR38-20-13-SS
      As low as $203.03 $297.77
      Ruland FSMR38-20-13-SS, 20mm x 13mm Six Beam Coupling, Stainless Steel, Set Screw Style, 38.1mm OD, 57.2mm Length
      Add to Compare
    16. Ruland FSMR38-20-14-SS, Six Beam Coupling
      FSMR38-20-14-SS
      As low as $203.03 $297.77
      Ruland FSMR38-20-14-SS, 20mm x 14mm Six Beam Coupling, Stainless Steel, Set Screw Style, 38.1mm OD, 57.2mm Length
      Add to Compare
    17. Ruland FSMR38-20-15-SS, Six Beam Coupling
      FSMR38-20-15-SS
      As low as $203.03 $297.77
      Ruland FSMR38-20-15-SS, 20mm x 15mm Six Beam Coupling, Stainless Steel, Set Screw Style, 38.1mm OD, 57.2mm Length
      Add to Compare
    18. Ruland FSMR38-20-16-SS, Six Beam Coupling
      FSMR38-20-16-SS
      As low as $203.03 $297.77
      Ruland FSMR38-20-16-SS, 20mm x 16mm Six Beam Coupling, Stainless Steel, Set Screw Style, 38.1mm OD, 57.2mm Length
      Add to Compare
    19. Ruland FSMR38-20-17-SS, Six Beam Coupling
      FSMR38-20-17-SS
      As low as $203.03 $297.77
      Ruland FSMR38-20-17-SS, 20mm x 17mm Six Beam Coupling, Stainless Steel, Set Screw Style, 38.1mm OD, 57.2mm Length
      Add to Compare
    20. Ruland FSMR38-20-18-SS, Six Beam Coupling
      FSMR38-20-18-SS
      As low as $203.03 $297.77
      Ruland FSMR38-20-18-SS, 20mm x 18mm Six Beam Coupling, Stainless Steel, Set Screw Style, 38.1mm OD, 57.2mm Length
      Add to Compare
    21. Ruland FSMR38-20-19-SS, Six Beam Coupling
      FSMR38-20-19-SS
      As low as $203.03 $297.77
      Ruland FSMR38-20-19-SS, 20mm x 19mm Six Beam Coupling, Stainless Steel, Set Screw Style, 38.1mm OD, 57.2mm Length
      Add to Compare
    22. Ruland FSMR38-20-20-SS, Six Beam Coupling
      FSMR38-20-20-SS
      As low as $203.03 $297.77
      Ruland FSMR38-20-20-SS, 20mm x 20mm Six Beam Coupling, Stainless Steel, Set Screw Style, 38.1mm OD, 57.2mm Length
      Add to Compare
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