Tapered Roller Bearing Cone Bearing Industry Number 539 Bore Diameter 2 1/8 in Bore Type Tapered Cage Material Chrome Steel Compatible Cup Manufacturer Part Number 532A 532X Cone Width 1.455 in Lubricant Material Not Applicable Maximum Temperature 250 Degrees F Minimum Temperature -40 Degrees F Number of Rows One Outside Diameter 3.5 in Ring Material Carbon Steel Roller Material Carbon Steel System of Measurement Inch Dynamic Load Capacity 34 500 lbf Inside Diameter 3.268 in