Needle Roller Bearing Bearing Industry Number 812 Bearing Design BH Bore Diameter 1/2 in Cage Material Not Applicable Closure Open Full Complement Yes Lubricant Material Oil Maximum Speed 7 600 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 3/4 in Overall Width 0.75 in Ring Material Alloy Steel Roller Material Alloy Steel Seal Type Not Applicable