Needle Roller Bearing Bearing Industry Number 1612 Bearing Design HK Bore Diameter 16 mm Cage Material Steel Closure Open Compatible Ring Manufacturer Part Number JR12x16x12 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 22 mm Overall Width 12 mm Ring Material Alloy Steel