- SAE 52100 Inner Race, Outer Race and Rolling Elements.
52100 bearing steel is used for both inner and outer races. (Many competitors will use a lesser grade steel for the inner race.)
- Triple Lip Seals
Heavy triple lip seals are used for extra protection from the extremely dirty environment.
- Steel Retainer
Steel retainers are used with all Turner Disc Harrow bearings which is the best retainer for heavy or shock loads.