Needle Roller Bearing Bearing Industry Number 59 Bearing Design SCE Bore Diameter 5/16 in Cage Material Steel Closure Open Full Complement No Lubricant Material Grease Oil Maximum Speed 29 000 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 1/2 in Overall Width 0.563 in Ring Material Alloy Steel Roller Material Alloy Steel Seal Type Not Applicable