Needle Roller Bearing Bearing Industry Number 1620 Bearing Design BH Bore Diameter 1 in Cage Material Not Applicable Closure Open Compatible Ring Manufacturer Part Number IR-1220 Full Complement Yes Lubricant Material Oil Maximum Speed 5 200 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 1 5/16 in Overall Width 1.25 in Ring Material Alloy Steel