Tapered Roller Bearing Cup Bore Diameter 3 57/64 in Compatible Cone Grainger Part Number 55PX84 Compatible Cone Manufacturer Part Number 3975 3979 3980 3982 3994 Cup Width 0.937 in Maximum Temperature 250 Degrees F Minimum Temperature -40 Degrees F Outside Diameter 4 27/64 in Overall Width 0.937 in Ring Material Alloy Steel System of Measurement Inch Application Forestry Mining Steel Manufacturing Housing Fillet Radius 0.13 in Ring Material Grade 52100 Standards ABMA