Cylindrical Roller Bearing Bearing Industry Number 217 Bore Diameter 85 mm Bore Type Cylindrical Cage Material Brass Closure Open Inner Ring Outside Diameter 94 mm Lubricant Material Grease Oil Maximum Speed 4 100 RPM Grease 4 800 RPM Oil Maximum Temperature 120 Degrees C Minimum Temperature -40 Degrees C Number of Rows One Outer Ring Inside Diameter 141 mm Outside Diameter 150 mm Overall Width 28 mm Ring Material Alloy Steel Roller Material Alloy Steel