Tapered Roller Bearing Cone Bearing Industry Number 2580 Bore Diameter 1 1/4 in Bore Type Tapered Cage Material Chrome Steel Compatible Cup Manufacturer Part Number 2520 2523D 2523S Cone Width 0.998 in Lubricant Material Not Applicable Maximum Temperature 250 Degrees F Minimum Temperature -40 Degrees F Number of Rows One Outside Diameter 2.52 in Ring Material Carbon Steel Roller Material Carbon Steel System of Measurement Inch Dynamic Load Capacity 15 500 lbf