Tapered Roller Bearing Cone Bearing Industry Number HH421246 Bore Diameter 3 7/8 in Bore Type Cylindrical Cage Material Pressed Steel Compatible Cup Grainger Part Number 55PY57 Compatible Cup Manufacturer Part Number HH421210 Cone Width 2.5 in Maximum Temperature 250 Degrees F Minimum Temperature -40 Degrees F Number of Rows One Outside Diameter 6.929 in Ring Material Alloy Steel Roller Material Alloy Steel System of Measurement Inch Dynamic Load Capacity 435 kN