Needle Roller Bearing, Bearing Industry Number 122012, Bearing Design HJ, Bore Diameter 3/4 in, Cage Material Steel, Closure Open, Compatible Ring Manufacturer Part Number IR-081212, Full Complement No, Lubricant Material Grease, Oil, Maximum Speed 16,000 RPM Grease, 25,000 RPM Oil, Maximum Temperature 248 Degrees F, Minimum Temperature -22 Degrees F, Needle Bearing Type Heavy-Duty Needle Roller Bearing, Number of Rows One, Outside Diameter 1 1/4 in, Overall Width 0.75 in