Tapered Roller Bearing Cone Bearing Industry Number 555S Bore Diameter 2 1/4 in Bore Type Tapered Cage Material Chrome Steel Compatible Cup Manufacturer Part Number 552 552A 552B 552D 553X Cone Width 1.444 in For Cup Width 1.187 in Lubricant Material Not Applicable Maximum Temperature 250 Degrees F Minimum Temperature -40 Degrees F Number of Rows One Outside Diameter 4.57 in Ring Material Carbon Steel Roller Material Carbon Steel System of Measurement Inch