WSM-387

External, Heavy Duty 2-Turn, Spirolox Retaining Ring Standard, for 3.875" Shaft Diameter, 0.120" Groove Width

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Illustration of an External Spirolox Two-Turn Retaining Ring

b

t

d

w

Ds

Dg

Di

Specifications
Part Number
WSM-387
Ring Type
  • External (Shaft)
Ds: Shaft Diameter (in)
3.875
Dg: Groove Diameter (in)
3.673+/-.006
w: Groove Width (in)
0.120+.005/-.000
Di: Free Inside Diameter (in)
3.647+.000/-.035
t: Ring Thickness (in)
0.111+/-.003
b: Ring Radial Wall (in)
0.270+.004/-.006
# of Turns
2
Crimp
Yes
Ring Shear (lb)
54050 (safety factor of 3)
Groove Yield (lb)
27670 (groove material yield strength of 45,000 psi and safety factor of 2)
Rotational Capacity
2630 RPM
Please contact a Smalley Engineer to discuss rotational-dependent applications.
Standard Materials
Carbon Steel SAE 1070-1090, 302 Stainless Steel, 316 Stainless Steel

Product Overview

The WSM Series Spirolox Retaining Ring is designed for the toughest retaining ring jobs. WHM & WSM series retaining rings use standard industry groove dimensions and are interchangeable with many stamped retaining rings. This series should be specified for thrust loads that demand deep groove, heavy section capacity.

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