Needle Roller Bearing, Bearing Industry Number 108, Bearing Design J, Bore Diameter 5/8 in, Cage Material Steel, Closure Open, Compatible Ring Manufacturer Part Number IR-68-1, Full Complement No, Lubricant Material Grease, Oil, Maximum Speed 13,000 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 13/16 in, Overall Width 0.5 in, Ring Material Alloy Steel