Needle Roller Bearing Bearing Industry Number 1612 Bearing Design B Bore Diameter 1 in Cage Material Not Applicable Closure Open Compatible Ring Grainger Part Number 779KE6 Compatible Ring Manufacturer Part Number IR-1212 Full Complement Yes Lubricant Material Oil Maximum Speed 4 100 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 1 1/4 in Overall Width 0.75 in