Our factory produces high-quality bearings for roller chains, including the 6305ZZ and 63/28ZZ models. These bearings come filled with high-temperature grease to withstand even the most extreme operating conditions. Our bearings are constructed with precision and care to ensure longevity and consistent performance. As a factory, we take pride in producing reliable and durable products that meet the needs of our customers. When it comes to roller chain bearings, our products are second to none. Choose our bearings for your industrial and mechanical needs, and experience the difference of quality, precision, and durability.