Needle Roller Bearing Bearing Industry Number 268 Bearing Design B Bore Diameter 1 5/8 in Cage Material Not Applicable Closure Open Compatible Ring Grainger Part Number 779KF3 Compatible Ring Manufacturer Part Number IR-2020 Full Complement Yes Lubricant Material Oil Maximum Speed 3 900 RPM Maximum Temperature 248 Degrees F Minimum Temperature -22 Degrees F Needle Bearing Type Drawn Cup Needle Roller Bearing Number of Rows One Outside Diameter 2 in Overall Width 0.5 in