Tapered Roller Bearing Cone Bearing Industry Number 87750 Bore Diameter 7 1/2 in Bore Type Tapered Cage Material Chrome Steel Compatible Cup Manufacturer Part Number 87111 87111B Cone Width 1.875 in For Cup Width 1.437 in Lubricant Material Not Applicable Maximum Temperature 250 Degrees F Minimum Temperature -40 Degrees F Number of Rows One Outside Diameter 10.28 in Ring Material Carbon Steel Roller Material Carbon Steel System of Measurement Inch