Needle Roller Bearing Bearing Industry Number 1616 Bearing Design JTT Bore Diameter 1 in Cage Material Steel Closure Double Sealed Full Complement No Lubricant Material Grease Oil Maximum Speed 12 000 RPM Oil 7 600 RPM Grease 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 1/4 in Overall Width 1 in Ring Material Alloy Steel Roller Material Alloy Steel Seal Type Contact