The product is a set of two premium 6902-ZZ ball bearings manufactured by HCH in China. These bearings are specifically designed for industrial automation and motion control systems, with a high level of precision and quality. The 6902-ZZ bearing model features a shield to protect against contaminants and ensure a longer lifespan, making it an ideal choice for various equipment and machinery. With ABEC3 accuracy rating, these bearings provide reliable performance and durability for a range of applications.