Tapered Roller Bearing Assembly Bearing Industry Number 3977/3920 Bore Diameter 2 23/64 in Bore Type Cylindrical Cage Material Pressed Steel Cone Width 1.183 in Cup Width 0.937 in Flange Diameter Not Applicable Flange Type Non-Flanged Lubricant Material Not Applicable Maximum Temperature 250 Degrees F Minimum Temperature -40 Degrees F Number of Rows One Outside Diameter 4 7/16 in Overall Width 1.187 in Ring Material Carbon Steel Roller Material Carbon Steel