Tapered Roller Bearing Cone Bearing Industry Number 3580 Bore Diameter 1 1/2 in Bore Type Tapered Cage Material Chrome Steel Compatible Cup Manufacturer Part Number 3520 3525 Cone Width 1.216 in Lubricant Material Not Applicable Maximum Temperature 250 Degrees F Minimum Temperature -40 Degrees F Number of Rows One Outside Diameter 3.19 in Ring Material Carbon Steel Roller Material Carbon Steel System of Measurement Inch Dynamic Load Capacity 21 100 lbf Inside Diameter 2.73 in