Flange linear bushing Standard (metal) Flange Shaft diameter d = 30 With two seals Version: Standard Rugged all-metal design with steel ball retainer for harsh environments and heavy contamination Many pockets acting as lubricant reservoirs for extended lubrication intervals or lubrication for life For use in woodworking, foundries, cement plants Pockets collect any dirt that may have worked its way in to prevent the linear bushing from jamming. Integrated wiper seals Hardened and ground outer sleeve POM ball retainer Balls made of rolling bearing steel