Needle Roller Bearing, Bearing Industry Number 1616, Bearing Design BH, Bore Diameter 1 in, Cage Material Not Applicable, Closure Open, Compatible Ring Manufacturer Part Number IR-1216, Full Complement Yes, Lubricant Material Oil, Maximum Speed 5,000 RPM, Maximum Temperature 250 Degrees F, Minimum Temperature -5 Degrees F, Needle Bearing Type Drawn Cup Needle Roller Bearing, Number of Rows One, Outside Diameter 1 5/16 in, Overall Width 1 in, Ring Material Alloy Steel, Roller Material Alloy Steel