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Beam Couplings: Four-Beam P-Series, Inch to Metric

Clamp style P-Series four beam couplings (also referred to as helical couplings) with inch to metric bores. Bore sizes range from 0.94" to 1/2" and from 3mm to 12mm.

Features

  • Aluminum
    • Extra flexible with low bearing loads
    • Lightweight for low inertia
    • Temperature range: -40°F to 225°F
  • Stainless Steel
    • Flexible with low bearing loads
    • Corrosion resistant
    • Temperature range: -40°F to 350°F
  • Ideal for encoder feedback systems
  • Zero backlash, Constant velocity
  • RoHS3 and REACH Compliant
  • Maximum speed: 6,000 RPM
  • Bore tolerance:
    +.001 in / -.000 in
    +.025mm/–.000mm
  • Temperature range: -40°F to 225°F
Line DrawingLine Drawing

How to Specify

Part numbers are in the following format with numbers representing sixteenths of an inch and millimeters:

Part Number Identification

Products

View as Grid Table

Items 49-72 of 444

Set Descending Direction
  1. Ruland PCR12-6MM-5/32"-A, Four Beam Coupling
    PCR12-6MM-5/32"-A
    Ruland PCR12-6MM-5/32"-A, 6mm x 5/32" Four Beam Coupling, Aluminum, Clamp Style, 0.750" (19.1mm) OD, 0.900" (22.9mm) Length
  2. Ruland PCR12-6MM-5/32"-SS, Four Beam Coupling
    PCR12-6MM-5/32"-SS
    Ruland PCR12-6MM-5/32"-SS, 6mm x 5/32" Four Beam Coupling, Stainless Steel, Clamp Style, 0.750" (19.1mm) OD, 0.900" (22.9mm) Length
  3. Ruland PCR14-1/4"-5MM-A, Four Beam Coupling
    PCR14-1/4"-5MM-A
    Ruland PCR14-1/4"-5MM-A, 1/4" x 5mm Four Beam Coupling, Aluminum, Clamp Style, 0.875" (22.2mm) OD, 1.063" (27.0mm) Length
  4. Ruland PCR14-1/4"-5MM-SS, Four Beam Coupling
    PCR14-1/4"-5MM-SS
    Ruland PCR14-1/4"-5MM-SS, 1/4" x 5mm Four Beam Coupling, Stainless Steel, Clamp Style, 0.875" (22.2mm) OD, 1.063" (27.0mm) Length
  5. Ruland PCR14-1/4"-6MM-A, Four Beam Coupling
    PCR14-1/4"-6MM-A
    Ruland PCR14-1/4"-6MM-A, 1/4" x 6mm Four Beam Coupling, Aluminum, Clamp Style, 0.875" (22.2mm) OD, 1.063" (27.0mm) Length
  6. Ruland PCR14-1/4"-6MM-SS, Four Beam Coupling
    PCR14-1/4"-6MM-SS
    Ruland PCR14-1/4"-6MM-SS, 1/4" x 6mm Four Beam Coupling, Stainless Steel, Clamp Style, 0.875" (22.2mm) OD, 1.063" (27.0mm) Length
  7. Ruland PCR14-5/16"-5MM-A, Four Beam Coupling
    PCR14-5/16"-5MM-A
    Ruland PCR14-5/16"-5MM-A, 5/16" x 5mm Four Beam Coupling, Aluminum, Clamp Style, 0.875" (22.2mm) OD, 1.063" (27.0mm) Length
  8. Ruland PCR14-5/16"-5MM-SS, Four Beam Coupling
    PCR14-5/16"-5MM-SS
    Ruland PCR14-5/16"-5MM-SS, 5/16" x 5mm Four Beam Coupling, Stainless Steel, Clamp Style, 0.875" (22.2mm) OD, 1.063" (27.0mm) Length
  9. Ruland PCR14-5/16"-6MM-A, Four Beam Coupling
    PCR14-5/16"-6MM-A
    Ruland PCR14-5/16"-6MM-A, 5/16" x 6mm Four Beam Coupling, Aluminum, Clamp Style, 0.875" (22.2mm) OD, 1.063" (27.0mm) Length
  10. Ruland PCR14-5/16"-6MM-SS, Four Beam Coupling
    PCR14-5/16"-6MM-SS
    Ruland PCR14-5/16"-6MM-SS, 5/16" x 6mm Four Beam Coupling, Stainless Steel, Clamp Style, 0.875" (22.2mm) OD, 1.063" (27.0mm) Length
  11. Ruland PCR14-5/16"-7MM-A, Four Beam Coupling
    PCR14-5/16"-7MM-A
    Ruland PCR14-5/16"-7MM-A, 5/16" x 7mm Four Beam Coupling, Aluminum, Clamp Style, 0.875" (22.2mm) OD, 1.063" (27.0mm) Length
  12. Ruland PCR14-5/16"-7MM-SS, Four Beam Coupling
    PCR14-5/16"-7MM-SS
    Ruland PCR14-5/16"-7MM-SS, 5/16" x 7mm Four Beam Coupling, Stainless Steel, Clamp Style, 0.875" (22.2mm) OD, 1.063" (27.0mm) Length
  13. Ruland PCR14-5MM-3/16"-A, Four Beam Coupling
    PCR14-5MM-3/16"-A
    Ruland PCR14-5MM-3/16"-A, 5mm x 3/16" Four Beam Coupling, Aluminum, Clamp Style, 0.875" (22.2mm) OD, 1.063" (27.0mm) Length
  14. Ruland PCR14-5MM-3/16"-SS, Four Beam Coupling
    PCR14-5MM-3/16"-SS
    Ruland PCR14-5MM-3/16"-SS, 5mm x 3/16" Four Beam Coupling, Stainless Steel, Clamp Style, 0.875" (22.2mm) OD, 1.063" (27.0mm) Length
  15. Ruland PCR14-6MM-3/16"-A, Four Beam Coupling
    PCR14-6MM-3/16"-A
    Ruland PCR14-6MM-3/16"-A, 6mm x 3/16" Four Beam Coupling, Aluminum, Clamp Style, 0.875" (22.2mm) OD, 1.063" (27.0mm) Length
  16. Ruland PCR14-6MM-3/16"-SS, Four Beam Coupling
    PCR14-6MM-3/16"-SS
    Ruland PCR14-6MM-3/16"-SS, 6mm x 3/16" Four Beam Coupling, Stainless Steel, Clamp Style, 0.875" (22.2mm) OD, 1.063" (27.0mm) Length
  17. Ruland PCR14-7MM-1/4"-A, Four Beam Coupling
    PCR14-7MM-1/4"-A
    Ruland PCR14-7MM-1/4"-A, 7mm x 1/4" Four Beam Coupling, Aluminum, Clamp Style, 0.875" (22.2mm) OD, 1.063" (27.0mm) Length
  18. Ruland PCR14-7MM-1/4"-SS, Four Beam Coupling
    PCR14-7MM-1/4"-SS
    Ruland PCR14-7MM-1/4"-SS, 7mm x 1/4" Four Beam Coupling, Stainless Steel, Clamp Style, 0.875" (22.2mm) OD, 1.063" (27.0mm) Length
  19. Ruland PCR14-7MM-3/16"-A, Four Beam Coupling
    PCR14-7MM-3/16"-A
    Ruland PCR14-7MM-3/16"-A, 7mm x 3/16" Four Beam Coupling, Aluminum, Clamp Style, 0.875" (22.2mm) OD, 1.063" (27.0mm) Length
  20. Ruland PCR14-7MM-3/16"-SS, Four Beam Coupling
    PCR14-7MM-3/16"-SS
    Ruland PCR14-7MM-3/16"-SS, 7mm x 3/16" Four Beam Coupling, Stainless Steel, Clamp Style, 0.875" (22.2mm) OD, 1.063" (27.0mm) Length
  21. Ruland PCR14-8MM-1/4"-A, Four Beam Coupling
    PCR14-8MM-1/4"-A
    Ruland PCR14-8MM-1/4"-A, 8mm x 1/4" Four Beam Coupling, Aluminum, Clamp Style, 0.875" (22.2mm) OD, 1.063" (27.0mm) Length
  22. Ruland PCR14-8MM-1/4"-SS, Four Beam Coupling
    PCR14-8MM-1/4"-SS
    Ruland PCR14-8MM-1/4"-SS, 8mm x 1/4" Four Beam Coupling, Stainless Steel, Clamp Style, 0.875" (22.2mm) OD, 1.063" (27.0mm) Length
  23. Ruland PCR14-8MM-3/16"-A, Four Beam Coupling
    PCR14-8MM-3/16"-A
    Ruland PCR14-8MM-3/16"-A, 8mm x 3/16" Four Beam Coupling, Aluminum, Clamp Style, 0.875" (22.2mm) OD, 1.063" (27.0mm) Length
  24. Ruland PCR14-8MM-3/16"-SS, Four Beam Coupling
    PCR14-8MM-3/16"-SS
    Ruland PCR14-8MM-3/16"-SS, 8mm x 3/16" Four Beam Coupling, Stainless Steel, Clamp Style, 0.875" (22.2mm) OD, 1.063" (27.0mm) Length
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