Tapered Roller Bearing Cup Bore Diameter 1 41/64 in Compatible Cone Grainger Part Number 55PW98 Compatible Cone Manufacturer Part Number 09067 09078 09081 Cup Width 0.563 in Maximum Temperature 250 Degrees F Minimum Temperature -40 Degrees F Outside Diameter 1 15/16 in Overall Width 0.563 in Ring Material Alloy Steel System of Measurement Inch Application Forestry Mining Steel Manufacturing Housing Fillet Radius 1.3 mm Ring Material Grade 52100 Standards ABMA