Tapered Roller Bearing Cup Bore Diameter 4 23/32 in Compatible Cone Grainger Part Number 55PY01 Compatible Cone Manufacturer Part Number 497 Cup Width 0.875 in Maximum Temperature 250 Degrees F Minimum Temperature -40 Degrees F Outside Diameter 5 1/4 in Overall Width 0.875 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 189 kN