JG400XP0 ultra thin wall four point contact ball bearing adopts JG‑series constant ultra‑thin equal cross‑section for largest giant bore. High‑grade 52100 chrome bearing steel provides reliable mechanical property. It mainly bears radial, bidirectional axial and moment loads. Widely applied for maximum‑size compact turntables,ultra‑large optical machinery and large‑diameter light‑load rotary mechanical assemblies.

X-type four-point contact ball bearings - JG series (double-sided sealing) feature a four-point contact raceway design with integrated high-temperature rubber seals on both sides, supporting bidirectional axial loads while providing reliable sealing performance in elevated temperature environments. Available in double-sealed configurations only, with bore diameters ranging from 20mm to 250mm. These bearings deliver compact design, high axial rigidity, high-temperature sealing stability, consistent grease retention under thermal stress, and maintenance-free operation in heat-intensive applications, making them ideal for industrial oven slewing rings, drying equipment turntables, heat treatment systems, semiconductor manufacturing equipment, exhaust system components, and high-temperature processing machinery where both sealing and thermal resistance are critical.