Tapered Roller Bearing Cone Bearing Industry Number 13685 Bore Diameter 1 1/2 in Bore Type Cylindrical Cage Material Pressed Steel Compatible Cup Grainger Part Number 55PX02 Compatible Cup Manufacturer Part Number 13621 Cone Width 0.75 in Maximum Temperature 250 Degrees F Minimum Temperature -40 Degrees F Number of Rows One Outside Diameter 2.559 in Ring Material Alloy Steel Roller Material Alloy Steel System of Measurement Inch Bore Diameter Tolerance +0.0008 to -0.0000 in