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Ruland OD12/19-NL Oldham Coupling Disk, Nylon 11, Bore, 3/4' or 19.1mm OD

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$20.50

$ 9 .99 $9.99

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About this item

  • Ruland oldham couplings have a zero-backlash balanced design for reduced vibration at speeds up to 4,500 RPM. They can accommodate high amounts of parallel misalignment (up to 10% of the hub OD).
  • Acts as a mechanical fuse stopping power transmission during a torque overload. User can combine clamp or set screw hub with inch, metric, keyed, or keyless bore for a high level of customization.
  • Made from nylon for dampening and noise reduction.
  • Proprietary hub machining process for smooth interaction between the hub and disk allowing for significantly longer life.
  • Ruland oldham coupling disks are RoHS3 and REACH compliant


Carefully made by Ruland in Marlborough, MA, Oldham couplings are comprised of two hubs pressed fit with either an acetal or nylon disk. Oldham couplings disengage if the disc breaks, acting as a mechanical fuse. Well-suited for handling large amounts of parallel misalignment. Nylon Oldham coupling inserts have vibration and shock dampening characteristics and are electrically isolating. Maximum is 4,500 RPM. RoHS and Reach compliant. Also called a Oldham coupling insert, disk, or disc.


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