51110 Thrust Ball Bearing 50*70*14mm For Crane Gearbox Mining Machinery Vertical Shaft Equipment Product Overview 51110 is an open‑type single‑direction thrust ball bearing. It is specially engineered to bear pure one‑way axial load. The stamped steel cage keeps steel balls well‑positioned. Made of hardened GCr15 bearing steel, it features high static load capacity, compact thickness and stable rotary performance, widely fitted for machine‑tool spindles, vertical shafts,