Bearing Buddy Bearing Protectors provide protection against damage from water and dirt entering the wheel bearings and make lubricating bearings a snap. Model No. 1980A. Chrome plated. Visual lubricant level indicator. For use with 1.980 inches (50.29 mm) hub bore. Outer Bearing Cone: L-44643 L-44649 L-44640. Outer Bearing Cup (race): L44610.