Double Disc

Ruland double disc couplings are comprised of two anodized aluminum hubs, two sets of stainless steel disc springs, and a center spacer. This design allows the sets of disc springs to bend independent of each other to accommodate all forms of misalignment, including parallel. Center spacers are available in anodized aluminum or acetal for electrical isolation. Ruland disc couplings are zero-backlash and have a balanced design for reduced vibration at speeds up to 10,000 RPM. They are a simple assembly with few moving parts, reducing the risk of backlash and premature failure. Clamp and set screw hubs are available in bore sizes from 1/8” to 1-1/4” and 3mm to 32mm.

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Features

  • High torque
  • Balanced design for high RPM
  • Low inertia
  • No maintenance
  • High torsional stiffness
  • Constant velocity
  • Long life
  • Zero backlash
  • RoHS2 and REACH Compliant
  • Maximum speed: 10,000 RPM
  • Bore tolerance: +.001"/-.000"

Products

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  1. Ruland DCD32-10-10-A, Double Disc Coupling
    DCD32-10-10-A
    In stock
    Ruland DCD32-10-10-A, 5/8" x 5/8" Double Disc Coupling, Aluminum, Clamp Style, 2.000" OD, 2.519" Length
  2. Ruland DCDK36-8-8-A, Double Disc Coupling
    DCDK36-8-8-A
    In stock
    Ruland DCDK36-8-8-A, 1/2" x 1/2" Double Disc Coupling, Aluminum, Clamp Style With Keyway, 2.250" OD, 3.080" Length
  3. Ruland DSD21-5-5-A, Double Disc Coupling
    DSD21-5-5-A
    In stock
    Ruland DSD21-5-5-A, 5/16" x 5/16" Double Disc Coupling, Aluminum, Set Screw Style, 1.313" OD, 1.770" Length
  4. Ruland DSDK36-8-8-A, Double Disc Coupling
    DSDK36-8-8-A
    In stock
    Ruland DSDK36-8-8-A, 1/2" x 1/2" Double Disc Coupling, Aluminum, Set Screw Style With Keyway, 2.250" OD, 3.080" Length
  5. Ruland MDCD15-3-3-A, Double Disc Coupling
    MDCD15-3-3-A
    In stock
    Ruland MDCD15-3-3-A, 3mm x 3mm Double Disc Coupling, Aluminum, Clamp Style, 15.0mm OD, 23.8mm Length
  6. Ruland MDCDK25-10-10-A, Double Disc Coupling
    MDCDK25-10-10-A
    In stock
    Ruland MDCDK25-10-10-A, 10mm x 10mm Double Disc Coupling, Aluminum, Clamp Style With Keyway, 25.4mm OD, 34.9mm Length
  7. Ruland MDSD15-3-3-A, Double Disc Coupling
    MDSD15-3-3-A
    In stock
    Ruland MDSD15-3-3-A, 3mm x 3mm Double Disc Coupling, Aluminum, Set Screw Style, 15.0mm OD, 23.8mm Length
  8. Ruland MDSDK25-10-10-A, Double Disc Coupling
    MDSDK25-10-10-A
    In stock
    Ruland MDSDK25-10-10-A, 10mm x 10mm Double Disc Coupling, Aluminum, Set Screw Style With Keyway, 25.4mm OD, 34.9mm Length
  9. Ruland DSD26-16MM-1/2"-A, Double Disc Coupling
    DSD26-16MM-1/2"-A
    In stock
    Ruland DSD26-16MM-1/2"-A, 16mm x 1/2" Double Disc Coupling, Aluminum, Set Screw Style, 1.625" (41.3mm) OD, 2.165" (55.0mm) Length
  10. Ruland DCD10-2-2-A, Double Disc Coupling
    DCD10-2-2-A
    In stock
    Ruland DCD10-2-2-A, 1/8" x 1/8" Double Disc Coupling, Aluminum, Clamp Style, 0.590" OD, 0.937" Length
  11. Ruland DCDK36-16-10-A, Double Disc Coupling
    DCDK36-16-10-A
    In stock
    Ruland DCDK36-16-10-A, 1" x 5/8" Double Disc Coupling, Aluminum, Clamp Style With Keyway, 2.250" OD, 3.080" Length
  12. Ruland DSDK36-16-10-A, Double Disc Coupling
    DSDK36-16-10-A
    In stock
    Ruland DSDK36-16-10-A, 1" x 5/8" Double Disc Coupling, Aluminum, Set Screw Style With Keyway, 2.250" OD, 3.080" Length
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