Needle Roller Bearing Bearing Industry Number 2020 Bearing Design JH Bore Diameter 1 1/4 in Cage Material Steel Closure Open Full Complement No Lubricant Material Grease Oil Maximum Speed 10 000 RPM Oil 6 800 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 5/8 in Overall Width 1.25 in Ring Material Alloy Steel Roller Material Alloy Steel