Tapered Roller Bearing Cone Bearing Industry Number 18690 Bore Diameter 1 13/16 in Bore Type Cylindrical Cage Material Pressed Steel Compatible Cup Grainger Part Number 55PX20 Compatible Cup Manufacturer Part Number 18620 Cone Width 0.687 in Maximum Temperature 250 Degrees F Minimum Temperature -40 Degrees F Number of Rows One Outside Diameter 2.913 in Ring Material Alloy Steel Roller Material Alloy Steel System of Measurement Inch Dynamic Load Capacity 50.5 kN