Tapered Roller Bearing Assembly Bearing Industry Number 30315 Bore Diameter 75 mm Bore Type Cylindrical Cage Material Pressed Steel Cone Width 37 mm Cup Width 31 mm 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 160 mm Overall Width 40 mm Ring Material Carbon Steel Roller Material Steel System of Measurement Metric