Needle Roller Bearing, Bearing Industry Number 1212, Bearing Design HK, Bore Diameter 12 mm, Cage Material Steel, Closure Open, Compatible Ring Manufacturer Part Number IR8X12X12, 5-XL, LR8X12X12, 5, Full Complement No, Lubricant Material Grease, Oil, Maximum Speed 12, 000 RPM Grease, 20, 000 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 18 mm, Overall Width 12 mm