Needle Roller Bearing Bearing Industry Number 609 Bearing Design HK Bore Diameter 6 mm Cage Material Steel Closure Open Full Complement No Lubricant Material Grease Oil Maximum Speed 21 900 RPM Grease 36 500 RPM Oil Maximum Temperature 140 Degrees C Minimum Temperature -30 Degrees C Needle Bearing Type Drawn Cup Needle Roller Bearing Number of Rows One Outside Diameter 10 mm Overall Width 9 mm Ring Material Alloy Steel Roller Material Alloy Steel Seal Type Not Applicable