Tapered Roller Bearing Cone, Bearing Industry Number 12580, Bore Diameter 13/16 in, Bore Type Tapered, Cage Material Chrome Steel, Compatible Cup Manufacturer Part Number 12520, Cone Width 0.781 in, Lubricant Material Not Applicable, Maximum Temperature 250 Degrees F, Minimum Temperature -40 Degrees F, Number of Rows One, Outside Diameter 1.79 in, Ring Material Carbon Steel, Roller Material Carbon Steel, System of Measurement Inch, Dynamic Load Capacity 8,450 lbf, Inside Diameter 1.494 in