Feature●Our heavy duty disc harrow bearings are made with triple lip seals to protect from corrosive environments. This seal is a one piece shroud cover with three molded contact seals. This bearing comes pre-lubricated. Non-Greaseable●W211PPB2, 958334R91●Disc Harrow BearingDescription Our heavy duty disc harrow bearings are made with triple lip seals to protect from corrosive environments. This seal is a one piece shroud cover with three molded contact seals. This bearing comes pre-lubricated. Non-Greaseable