S08003XS0 ultra thin wall stainless steel four point angular contact ball bearing is metric constant cross‑section thin‑wall bearing manufactured from SUS440C stainless steel for superior corrosion resistance. X‑type four‑point contact structure supports combined radial, bidirectional axial and moment loads with consistent 3mm cross‑section. Features low torque, high rotational accuracy and compact lightweight structure. Suitable for robotic joints, precision rotary tables, medical instruments, optical equipment and humid corrosive working environments.

X-type four-point contact ball bearings - 2.5mm series (stainless steel) feature an ultra-miniature four-point contact raceway design with martensitic stainless steel rings and balls, engineered to support bidirectional axial loads in extreme space-constrained environments while providing corrosion resistance and reliable performance. Available in open configurations only, with a fixed bore diameter of 2.5mm and a cross-section height of 2.5mm. These bearings deliver ultra-compact dimensions, bidirectional axial load capacity, excellent corrosion resistance, high rigidity, and reliable performance in miniaturized applications, making them ideal for micro-slewing rings, miniature robot joints, micro-optical mounts, micro-positioning stages, implantable medical devices, micro-sensor systems, and compact precision mechanisms where both space efficiency and bidirectional load support are critical.