Tapered Roller Bearing Cup Bore Diameter 2 3/4 in Compatible Cone Grainger Part Number 55PZ17 Compatible Cone Manufacturer Part Number M802048 Cup Width 0.795 in Maximum Temperature 250 Degrees F Minimum Temperature -40 Degrees F Outside Diameter 3 1/4 in Overall Width 0.795 in Ring Material Alloy Steel System of Measurement Inch Application Forestry Mining Steel Manufacturing Housing Fillet Radius 3.3 mm Ring Material Grade 52100 Standards ABMA Static Load Capacity 104 kN