Chrome steel, Hardness HRC 61 to 64; P0, P6 and P5 quality; Z1V1 or Z2V2 ItemBoreOuter DiameterWidthRadiusLoad RatingOPENmmmmmmmmDynamicStatic69441140.15--69551340.20.720.3969661540.21.120.5969771750.31.5680.78469881950.31.720.86469992060.31.3250.6946900102260.32.541.376901122460.32.2211.2356902152860.32.6391.5016903173070.32.791.656904203770.35.033.0636905254290.35.633.686906304790.35.823.9769073555100.69.56.869084062120.613.79.969094568120.614.110.969105072120.614.5511.7