Application: Lower rubber feed roller for Hyosung CDUs cash dispenser unit. Provides friction force to separate and feed single banknote in note‑picking path during cash dispensing process. Solves feeding issues such as miss‑pick, multi‑pick, note slip and banknote skew caused by rubber surface glaze, wear and aging. Fits Hyosung CDUs series dispenser, easy for on‑site disassembly and replacement. Common consumable spare part for atm machine financial equipment cash dispenser routine maintenance.