Needle Roller Bearing Bearing Industry Number 1010 Bearing Design JH Bore Diameter 5/8 in Cage Material Steel Closure Open Compatible Ring Manufacturer Part Number IR-612-1 Full Complement No Lubricant Material Grease Oil Maximum Speed 14 000 RPM Grease 21 000 RPM Oil Maximum Temperature 250 Degrees F Minimum Temperature -5 Degrees F Needle Bearing Type Drawn Cup Needle Roller Bearing Number of Rows One Outside Diameter 7/8 in Overall Width 0.625 in Ring Material Alloy Steel