Needle Roller Bearing Bearing Industry Number 4412 Bearing Design J Bore Diameter 2 3/4 in Cage Material Steel Closure Open Compatible Ring Manufacturer Part Number IR-4016 Full Complement No Lubricant Material Grease Oil Maximum Speed 2 900 RPM Grease 4 500 RPM Oil Maximum Temperature 248 Degrees F Minimum Temperature -22 Degrees F Needle Bearing Type Drawn Cup Needle Roller Bearing Number of Rows One Outside Diameter 3 1/8 in Overall Width 0.75 in Ring Material Alloy Steel