Needle Roller Bearing Bearing Industry Number 1512 Bearing Design HK Bore Diameter 15 mm Cage Material Steel Closure Open Compatible Ring Manufacturer Part Number IR12X15X12-XL LR12X15X12 5 Full Complement No Lubricant Material Grease Oil Maximum Speed 16 300 RPM Oil 9 800 RPM Grease Maximum Temperature 140 Degrees C Minimum Temperature -30 Degrees C Needle Bearing Type Drawn Cup Needle Roller Bearing Number of Rows One Outside Diameter 21 mm Overall Width 12 mm