Needle Roller Bearing, Bearing Industry Number 810, Bearing Design JTT, Bore Diameter 1/2 in, Cage Material Steel, Closure Double Sealed, Full Complement No, Lubricant Material Grease, Oil, Maximum Speed 15,000 RPM Grease, 24,000 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 11/16 in, Overall Width 0.625 in, Ring Material Alloy Steel, Roller Material Alloy Steel