Để tháo vòng bi cầu các loại nằm trong ổ kín bạn cần một cảo chuyên dụng như Video dưới đây: Các vấu cảo có bản lề để dễ bám vào rãnh vòng bi. Ball Bearing Puller BP 6 : To remove grooved ball bearings efficiently from shafts and cases without dismounting the bearing. This ideal tool assortment is suitable for bearing sizes from 10 to 100 mm bore diameter. - 6 puller arm sets and 2 threaded spindles in a practical case - Puller arm with a joint in order to guarantee an optimal power transmission on the bearing - User-friendly because of the elastic retaining ring which keeps the puller arms in position - Puller arm made from quality steel Bearing Maintenance Kit MK 10-30 Tool case consisting of 50 parts with mounting and dismounting tools for small bearings with bores from 10 to 30 mm. Suitable for specific applications such as motorcycles. The tool case contains: - Mounting tools consisting of 2 impact sleeves, 24 impact rings and a blow-back proof ha