Needle Roller Bearing Bearing Industry Number 8/12 Bearing Design NK Bore Diameter 8 mm Cage Material Thermoplastic Closure Open Full Complement No Lubricant Material Grease Oil Maximum Speed 32 500 RPM Maximum Temperature 120 Degrees C Minimum Temperature -30 Degrees C Needle Bearing Type Machined Needle Roller Bearing Number of Rows One Outside Diameter 15 mm Overall Width 12 mm Ring Material Alloy Steel Roller Material Alloy Steel Seal Type Not Applicable