Tapered Roller Bearing Cup Bore Diameter 2 9/32 in Compatible Cone Grainger Part Number 55PZ01 Compatible Cone Manufacturer Part Number 12749 LM12748 Cup Width 0.475 in Maximum Temperature 250 Degrees F Minimum Temperature -40 Degrees F Outside Diameter 1 49/64 in Overall Width 0.475 in Ring Material Alloy Steel System of Measurement Inch Application Forestry Mining Steel Manufacturing Housing Fillet Radius 0.05 in Ring Material Grade 52100 Standards ABMA