Jinyu Bearing manufactures premium deep groove ball bearings with 400mm+ inner diameters, designed to handle heavy radial and axial loads in demanding industrial applications. Our precision-machined raceways and superior heat treatment ensure extended service life in harsh conditions. These large-size bearings are ideal for mining equipment, wind turbines, heavy gearboxes, and industrial pumps. Available in open, shielded, or sealed configurations to meet various operational needs. Engineered for high load capacity and easy maintenance.
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