Cylindrical Roller Bearing Bearing Industry Number 317 Bore Diameter 85 mm Bore Type Cylindrical Cage Material Brass Closure Open Inner Ring Outside Diameter 98 mm Lubricant Material Grease Oil Maximum Speed 3 500 RPM Oil 4 100 RPM Grease Maximum Temperature 120 Degrees C Minimum Temperature -40 Degrees C Number of Rows One Outer Ring Inside Diameter 167 mm Outside Diameter 180 mm Overall Width 41 mm Ring Material Alloy Steel Roller Material Alloy Steel