Tapered Roller Bearing Assembly Bearing Industry Number 32004X Bore Diameter 20 mm Bore Type Cylindrical Cage Material Pressed Steel Cone Width 15 mm Cup Width 12 mm Flange Diameter Not Applicable Flange Type Non-Flanged Lubricant Material Not Prelubricated Maximum Temperature 250 Degrees F Minimum Temperature -40 Degrees F Number of Rows One Outside Diameter 42 mm Overall Width 15 mm Ring Material Carbon Steel Roller Material Carbon Steel System of Measurement Metric