Tapered Roller Bearing Cone Bearing Industry Number 3578 Bore Diameter 1 3/4 in Bore Type Cylindrical Cage Material Pressed Steel Compatible Cup Grainger Part Number 55PX70 Compatible Cup Manufacturer Part Number 3520 Cone Width 1.215 in Maximum Temperature 250 Degrees F Minimum Temperature -40 Degrees F Number of Rows One Outside Diameter 3.13 in Ring Material Alloy Steel Roller Material Alloy Steel System of Measurement Inch Dynamic Load Capacity 104 kN Inside Diameter 1.75 in