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