Tapered Roller Bearing Cone Bearing Industry Number 18780 Bore Diameter 1 13/16 in Bore Type Cylindrical Cage Material Pressed Steel Compatible Cup Manufacturer Part Number 18720 18721 18723 18724 Cone Width 0.687 in Maximum Temperature 250 Degrees F Minimum Temperature -40 Degrees F Number of Rows One Outside Diameter 3.11 in Ring Material Alloy Steel Roller Material Alloy Steel System of Measurement Inch Dynamic Load Capacity 49.5 kN Inside Diameter 1.812 in