Cylindrical Roller Bearing Bearing Industry Number 3021 Bore Diameter 105 mm Bore Type Tapered 1 12 Cage Material Brass Closure Open Inner Ring Outside Diameter 114 mm Lubricant Material Grease Oil Maximum Speed 3 800 RPM Oil 4 500 RPM Grease Maximum Temperature 120 Degrees C Minimum Temperature -40 Degrees C Number of Rows Two Outer Ring Inside Diameter 148 mm Outside Diameter 160 mm Overall Width 41 mm Ring Material Alloy Steel Roller Material Alloy Steel