Tapered Roller Bearing Cup Bore Diameter 8 59/64 in Compatible Cone Grainger Part Number 55PY50 Compatible Cone Manufacturer Part Number 99550 99575 Cup Width 1.875 in Maximum Temperature 250 Degrees F Minimum Temperature -40 Degrees F Outside Diameter 10 in Overall Width 1.875 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 910 kN