Tapered Roller Bearing Cup Bore Diameter 2 25/64 in Compatible Cone Grainger Part Number 55PX03 55PX04 Compatible Cone Manufacturer Part Number 13685 13687 Cup Width 0.594 in Maximum Temperature 250 Degrees F Minimum Temperature -40 Degrees F Outside Diameter 2 45/64 in Overall Width 0.594 in Ring Material Alloy Steel System of Measurement Inch Application Forestry Mining Steel Manufacturing Housing Fillet Radius 2.3 mm Ring Material Grade 52100 Standards ABMA