Tapered Roller Bearing Cone Bearing Industry Number 623 Bore Diameter 2 1/4 in Bore Type Tapered Cage Material Chrome Steel Compatible Cup Manufacturer Part Number 612 613B Cone Width 1.625 in For Cup Width 0.157 in Lubricant Material Not Applicable Maximum Temperature 250 Degrees F Minimum Temperature -40 Degrees F Number of Rows One Outside Diameter 4.13 in Ring Material Carbon Steel Roller Material Chrome Steel System of Measurement Inch Dynamic Load Capacity 150 lbf