Tapered Roller Bearing Cone Bearing Industry Number 15100 Bore Diameter 1 in Bore Type Cylindrical Cage Material Pressed Steel Compatible Cup Grainger Part Number 55PX16 Compatible Cup Manufacturer Part Number 15245 Cone Width 0.812 in Maximum Temperature 250 Degrees F Minimum Temperature -40 Degrees F Number of Rows One Outside Diameter 2.283 in Ring Material Alloy Steel Roller Material Alloy Steel System of Measurement Inch Bore Diameter Tolerance +0.0000 to -0.0005 in