Drawn Cup Needle Roller Clutches

Drawn cup needle roller clutches are one-way clutches comprising thin-walled, drawn outer rings with a series of ramps on the inside diameter. They can transmit high torques in one direction and are compact in a radial direction. They give very precise indexing since the individual spring loading of the needle rollers ensures continuous contact between the shaft, needle rollers and ramps. Roller clutches with a knurled outside surface  have the suffix R and are suitable for use with plastic housings.

Typical applications including: indexing clutches, back-stopping clutches, and overrunning  clutches.

Drawn cup needle roller clutches are available in the following designs:

  • HF - Steel Springs
  • HF..-R - Steel Springs with Knurling
  • HF..-KF - Plastic Springs
  • HF..-KF-R - Plastic Springs with Knurling
  • HFL - Steel Springs with Bearing Arrangement
  • HFL..-R - Steel Springs with Bearing Arrangement and Knurling
  • HFL..-KF - Plastic Springs with Bearing Arrangement
  • HFL..-KF-R - Plastic Springs with Bearing Arrangement and Knurling
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