Needle Roller Bearing Bearing Industry Number 3624 Bearing Design B Bore Diameter 2 1/4 in Cage Material Not Applicable Closure Open Full Complement Yes Lubricant Material Oil Maximum Speed 2 900 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 2 5/8 in Overall Width 1.5 in Ring Material Alloy Steel Roller Material Alloy Steel Seal Type Not Applicable