Rings / Constant Section Retaining Rings / Snap Rings / HN


Product Image


Part Data

  • Housing or Shaft Housing
  • Axial or Radial Axial
  • Housing Dia. Dh 1.250 inches
  • Dh mm 31.75 mm
  • Groove Diameter Dg 1.3050 - 1.3150 inches
  • Groove Width W 0.046 - 0.049 inches
  • Groove Depth D 0.0300 inches
  • Free Diameter Df 1.330 - 1.361 inches
  • Section S 0.090 - 0.096 inches
  • Thickness T 0.0400 - 0.0440 inches
  • Free Gap A 0.375 - 0.562 inches
  • Hardness ST 42.0 - 52.0 HRC

Performance Data

  • Allowable Static Thrust Load 1360 lbs.


  • Carbon Steel (SAE 1060-1090)


For plated rings, add .002" (.05 mm) to the listed maximum thickness.

  • OIL - Oil over Steel, Carbon Steel



Snap Ring, Internal, Inch. Designed for needle bearings, once installed in the groove of a housing/bore, the portion of the ring protruding from the groove holds an assembly in place.

Custom solutions

Can’t find what you’re looking for in an existing product, need a modified version of one of our standard parts, or simply aren’t sure what part you need?

Submit your custom specifications

Need help? Contact our Engineering team


CAD Models are provided for informational purposes only and may not represent the final part you receive.  Manufacturer assumes no responsibility for any such inconsistencies , and disclaims any liability to any party for any loss, damage, or disruption which may arise therefrom. Always contact Manufacturer for final measurements when specified in your design.


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Our passion is creating the best rings, springs, and clamps. Our mission is to make your work a success. We are here for you.