Cylindrical Roller Bearing Bearing Industry Number 326 Bore Diameter 130 mm Bore Type Cylindrical Cage Material Brass Closure Open Inner Ring Outside Diameter 146 mm Lubricant Material Grease Oil Maximum Speed 2 200 RPM Grease 2 600 RPM Oil Maximum Temperature 120 Degrees C Minimum Temperature -40 Degrees C Number of Rows One Outer Ring Inside Diameter 264 mm Outside Diameter 280 mm Overall Width 58 mm Ring Material Alloy Steel Roller Material Alloy Steel