Tapered Roller Bearing Cone Bearing Industry Number 74525 Bore Diameter 5 1/4 in Bore Type Tapered Cage Material Chrome Steel Compatible Cup Manufacturer Part Number 74845 74850 74850B Cone Width 1.875 in For Cup Width 1.375 in Lubricant Material Not Applicable Maximum Temperature 250 Degrees F Minimum Temperature -40 Degrees F Number of Rows One Outside Diameter 8.19 in Ring Material Carbon Steel Roller Material Carbon Steel System of Measurement Inch