Needle Roller Bearing Bearing Industry Number 812 Bearing Design HK-2RS Bore Diameter 8 in Cage Material Steel Closure Double Sealed Full Complement No Lubricant Material Grease Oil Maximum Speed 20 000 RPM Grease 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 12 mm Ring Material Alloy Steel Roller Material Alloy Steel Seal Type Contact