Tapered Roller Bearing Cup Bore Diameter 5 55/64 in Compatible Cone Grainger Part Number 55PY87 Compatible Cone Manufacturer Part Number JM822049 Cup Width 1.043 in Maximum Temperature 250 Degrees F Minimum Temperature -40 Degrees F Outside Diameter 6 31/64 in Overall Width 1.043 in Ring Material Alloy Steel System of Measurement Inch ABMA Rating Class 0 Application Forestry Mining Steel Manufacturing Housing Fillet Radius 0.098 in Ring Material Grade 52100 Standards ABMA