... years. Aim at working in different environment, the ball bearing for units made with POM, HDPE,PP, UPE, PTFE ... SB200, CSB200, UK200, UK300, SER200, CS200Farm Implement Agricultural Ball Bearings Sealing DeviceDual Seals, Single-layer Seal, Triple-lip seal.Type of ... Ball BearingsSet Screw type, Eccentric Locking Collar Type, Adapter ...