Needle Roller Bearing Bearing Industry Number 808 Bearing Design HK Bore Diameter 8 mm Cage Material Steel Closure Open Full Complement No Lubricant Material Grease Oil Maximum Speed 20 000 RPM Grease 31 000 RPM Oil Maximum Temperature 120 Degrees C Minimum Temperature -20 Degrees C Needle Bearing Type Drawn Cup Needle Roller Bearing Number of Rows One Outside Diameter 12 mm Overall Width 8 mm Ring Material Alloy Steel Roller Material Alloy Steel Seal Type Not Applicable