Tapered Roller Bearing Cone Bearing Industry Number 78215C Bore Diameter 2 1/8 in Bore Type Tapered Cage Material Chrome Steel Compatible Cup Manufacturer Part Number 78537 78551 Cone Width 1.308 in For Cup Width 0.926 in Lubricant Material Not Applicable Maximum Temperature 250 Degrees F Minimum Temperature -40 Degrees F Number of Rows One Outside Diameter 4.53 in Ring Material Carbon Steel Roller Material Carbon Steel System of Measurement Inch Dynamic Load Capacity 43 000 lbf