1. Indoor machine etc. Amount deep B bearing635Z B bearingdouble shielded balls B stock B bearing. Standard size: with a precise inner diameter of 5 mm, an outer diameter of 19 mm and a thickness of 6 mm, these B bearings adhere to the standard sizes, which simplifies installation and replacement processes. This ensures that they can be easily inserted into a variety of applications. The uncomplicated size 2. Strength, rustproof. B Bearingdeep B Bearing635Z B BearingDouble Shielded Bbearing Bagel Steel B bearings. Double protected: Our sealed B bearings have a double shielded seal design against impurities, which not only helps extend the life of the bearings, but also helps to save the lubricant inside. This thoughtful design is crucial for maintaining optimal performance and reducing the need for frequent maintenance. 3. Wide application: Our package contains 10% highquality B bearings, which makes them excellent for a variety of applications. From industrial machinery and drilling equipment to cutting machines and winding machines, these bearings' versatility serves a wide range of sectors. Their robust construction and reliable performance make them an indispensable component in manufacturing, ensuring consistent productivity and operating efficiency in various industries. 4. Bea Steel Our doubleshielded B bearings made of premium Bea Steel have high hardness and strength. They can withstand both loads and strict conditions. They are rustproof and contribute to a remarkable life.