Tapered Roller Bearing Cone Bearing Industry Number 557S Bore Diameter 2 1/8 in Bore Type Cylindrical Cage Material Pressed Steel Compatible Cup Grainger Part Number 55PY06 Compatible Cup Manufacturer Part Number 552A Cone Width 1.444 in Maximum Temperature 250 Degrees F Minimum Temperature -40 Degrees F Number of Rows One Outside Diameter 4.567 in Ring Material Alloy Steel Roller Material Alloy Steel System of Measurement Inch Dynamic Load Capacity 175 kN