Tapered Roller Bearing Cone Bearing Industry Number 14136A Bore Diameter 1 3/8 in Bore Type Cylindrical Cage Material Pressed Steel Compatible Cup Grainger Part Number 55PX09 Compatible Cup Manufacturer Part Number 14276 Cone Width 1.052 in Maximum Temperature 250 Degrees F Minimum Temperature -40 Degrees F Number of Rows One Outside Diameter 2.48 in Ring Material Alloy Steel Roller Material Alloy Steel System of Measurement Inch Bore Diameter Tolerance +0.0000 to -0.0005 in