Needle Roller Bearing Bearing Industry Number 78 Bearing Design SCE Bore Diameter 7/16 in Cage Material Steel Closure Open Full Complement No Lubricant Material Grease Oil Maximum Speed 21 900 RPM Maximum Temperature 284 Degrees F Minimum Temperature -22 Degrees F Needle Bearing Type Drawn Cup Needle Roller Bearing Number of Rows One Outside Diameter 5/8 in Overall Width 0.5 in Ring Material Alloy Steel Roller Material Alloy Steel Seal Type Not Applicable