Cylindrical Roller Bearing Bearing Industry Number 320 Bore Diameter 100 mm Bore Type Cylindrical Cage Material Brass Closure Open Inner Ring Outside Diameter 113 mm Lubricant Material Grease Oil Maximum Speed 2 900 RPM Grease 3 500 RPM Oil Maximum Temperature 120 Degrees C Minimum Temperature -40 Degrees C Number of Rows One Outer Ring Inside Diameter 202 mm Outside Diameter 215 mm Overall Width 47 mm Ring Material Alloy Steel Roller Material Alloy Steel