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Tech Specifications

SKU: WST-425

Series: WST

Ring Type: External

Units: Imperial

Ring Style: Spirolox (Spiral)

Shaft Diameter: 4.250 in

Groove Yield: 27,940 lb

Ring Shear: 59,280 lb

Groove Diameter: 4.065 in

Groove Width: 0.120 in

Material: Carbon Steel

Rating: Medium Heavy Duty

Number of Turns: 2

Ring Radial Wall: 0.250 in

Ring Thickness: 0.111 in

Alternative Ring Groove: Eaton XAN

Free Inside Diameter: 4.032 in


Many original equipment manufacturers have set groove dimensions specifically for the WST Series Spirolox Retaining Ring. While easier to install, this retaining ring series has load carrying ratings close to our heavy duty retaining ring designs.