Retaining Ring Internal 0.05 in Thk PK25 System of Measurement Inch Location Style Internal Thickness 0.05 in Fits Shaft Diameter Not Applicable For Bore Diameter 1 3/8 in Fits Groove Diameter 1.461 in Fits Groove Width 0.056 in Fits Groove Depth 0.043 in Free Outside Diameter 1.526 in Clearance Diameter 1.07 in Material Steel Finish Zinc Plated Material Grade/Class Ungraded Tensile Strength 150 000 psi Ring Type Housing Ring Clearance Diameter Type Expanded