Tapered Roller Bearing Cone Bearing Industry Number 34274 Bore Diameter 2 3/4 in Bore Type Tapered Cage Material Chrome Steel Compatible Cup Manufacturer Part Number 34478 34478B 34492A 34500 Cone Width 0.906 in For Cup Width 4.781 in Lubricant Material Not Applicable Maximum Temperature 250 Degrees F Minimum Temperature -40 Degrees F Number of Rows One Outside Diameter 4.57 in Ring Material Carbon Steel Roller Material Carbon Steel System of Measurement Inch