Needle Roller Bearing, Bearing Industry Number 40708, Bearing Design RC, Bore Diameter 1/4 in, Cage Material Steel, Closure Open, Full Complement No, Lubricant Material Oil, Maximum Speed 20, 000 RPM Oil, Maximum Temperature 250 Degrees F, Minimum Temperature -5 Degrees F, Needle Bearing Type Drawn Cup Roller Clutch, Number of Rows One, Outside Diameter 7/16 in, Overall Width 0.5 in, Ring Material Alloy Steel, Roller Material Alloy Steel, Seal Type Not Applicable, System of Measurement Inch