Tapered Roller Bearing Cup Bore Diameter Not Applicable Compatible Cone Manufacturer Part Number 3979 3980 3981 3982 Cup Width 1.062 in For Cone Width 1.183 in Lubricant Material Not Applicable Outside Diameter 4 7/16 in Overall Width 1.062 in Ring Material Alloy Steel System of Measurement Inch Housing Fillet Radius 0.13 in