Tapered Roller Bearing Cone Bearing Industry Number 748S Bore Diameter 3 in Bore Type Cylindrical Cage Material Pressed Steel Compatible Cup Grainger Part Number 55PY32 Compatible Cup Manufacturer Part Number 742 Cone Width 1.837 in Maximum Temperature 250 Degrees F Minimum Temperature -40 Degrees F Number of Rows One Outside Diameter 5.591 in Ring Material Alloy Steel Roller Material Alloy Steel System of Measurement Inch Dynamic Load Capacity 289 kN Inside Diameter 3 in