Tapered Roller Bearing Cup Bore Diameter 2 43/64 in Compatible Cone Grainger Part Number 55PY92 Compatible Cone Manufacturer Part Number LM102949 Cup Width 0.62 in Maximum Temperature 250 Degrees F Minimum Temperature -40 Degrees F Outside Diameter 2 57/64 in Overall Width 0.62 in Ring Material Alloy Steel System of Measurement Inch ABMA Rating Class 0 Application Forestry Mining Steel Manufacturing Housing Fillet Radius 0.8 mm Ring Material Grade 52100 Standards ABMA