Needle Roller Bearing Bearing Industry Number 1516 Bearing Design HK Bore Diameter 15 mm Cage Material Steel Closure Open Compatible Ring Manufacturer Part Number JR12x15x16 5 Full Complement No Lubricant Material Grease Oil Maximum Speed 14 000 RPM Grease 21 000 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 21 mm Overall Width 16 mm Ring Material Alloy Steel