Needle Roller Bearing Bearing Industry Number 4420 Bearing Design B Bore Diameter 2 3/4 in Cage Material Not Applicable Closure Open Full Complement Yes Lubricant Material Oil Maximum Speed 2 400 RPM Maximum Temperature 250 Degrees F Minimum Temperature -5 Degrees F Needle Bearing Type Drawn Cup Needle Roller Bearing Number of Rows One Outside Diameter 3 1/8 in Overall Width 1.25 in Ring Material Alloy Steel Roller Material Alloy Steel Seal Type Not Applicable