Tapered Roller Bearing Cone, Bearing Industry Number 387S, Bore Diameter 2 1/4 in, Bore Type Tapered, Cage Material Chrome Steel, Compatible Cup Manufacturer Part Number 382, 382A, 382B, 382S, 383A, Cone Width 0.864 in, Lubricant Material Not Applicable, Maximum Temperature 250 Degrees F, Minimum Temperature -40 Degrees F, Number of Rows One, Outside Diameter 3.62 in, Ring Material Carbon Steel, Roller Material Carbon Steel, System of Measurement Inch, Dynamic Load Capacity 18,500 lbf