Tapered Roller Bearing Cone Bearing Industry Number 34306 Bore Diameter 3 1/16 in Bore Type Tapered Cage Material Chrome Steel Compatible Cup Manufacturer Part Number 34478 34478B 34492A 34500 Cone Width 0.906 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 Dynamic Load Capacity 20 800 lbf