The Abbyisd 552-202 Angular Contact Bearing integrates premium chromium steel with a 25° contact angle design, engineered to handle combined radial and axial loads in heavy-duty agricultural equipment. Featuring triple-lip seals and IP6X dustproof certification, it withstands harsh fieldwork environments including mud, dust, and high-moisture conditions. Precision-ground races and ceramic ball retainers ensure operational accuracy (±0.001mm) under temperatures up to 150°C. Direct compatibility with Jo hn De ere 7R/8R Series, CLAAS Lexion Combines, and N ew Holl and CR harvesters eliminates retrofit costs. All Abbyisd bearings undergo 72-hour salt spray testing (ASTM B117) and 10,000-cycle endurance validation. OEM-quality replacement guaranteed.