Miniature Bearings Australia - MBA Minibearings
Miniature Bearings Australia

RST-087 - Datasheet

MBA

Category Information

Retaining Rings - External - Spiral Rings - Medium-Heavy Duty - Carbon Steel

Carbon Steel Medium-Heavy Duty Spiral Rings External Retaining Rings. AME / WST / RST - Spring Steel

  • An expanded range may be available on special order. Please enquire.
  • Originally designed to fit NAS50-51 grooves, this series is a popular OEM specification.
  • This two/three turn design is easier to install than the heavy duty RRN option.
  • Equivalent to Associated Spring: AME, Smalley: WST, Spirolox and Ramsey: RST

Product Data

  • Shaft Diameter (Ds) : 22.23 mm
    (Equiv. 0.875 in.)
  • Clip Thickness (T) 1.07 mm +/- 0.05
    (Equiv. 0.042 in.)
  • Groove Dia. (Dg) 21.21 mm
    (Equiv. 0.835 in.)
  • Approx. Loose Circlip ID (A) 20.90 mm + 0.00 / - 0.33
  • Radial Wall (S) min/max 1.91 mm +/- 0.11
  • Groove Width (W) 1.21 mm +/- 0.08
  • Approx. Loose Clip OD 24.72 +/- 0.04
  • Groove Depth (d) 0.51
  • Material Carbon Spring Steel
Country of Origin: US

Product Compliance and Data

Additional Resources

Cross References

  • Smalley WST-087
  • WST087
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