KYU roller bearings are bearing units composed of machined thick walled outer rings, needle or cylindrical rollers, or cage guided or fully loaded rolling element groups, inner rings or bolts, and seals. They can withstand high radial loads and certain impact loads, with compact and diverse structures, high rotational accuracy, diverse varieties, wide adaptability, and easy installation. Widely used in machine tools, metallurgical machinery, textile machinery, printing machinery and other mechanical equipment, as well as processing assembly lines