Needle Roller Bearing Bearing Industry Number 1012 Bearing Design BH Bore Diameter 5/8 in Cage Material Not Applicable Closure Open Compatible Ring Manufacturer Part Number IR-612-1 Full Complement Yes Lubricant Material Oil Maximum Speed 6 500 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 7/8 in Overall Width 0.75 in Ring Material Alloy Steel