Replacement Part Number: AT130941 Ll639249 LI639210 Before purchasing, please confirm whether it is the model you need.
High-end material selection: We use SUJ2 high carbon chromium bearing steel to make the bearing, which can independently adapt to the temperature and Achieve independent heat dissipation. It is highly resistant and can withstand extremely high rotational speeds without damage.
High-precision machining and international precision quality inspection: We use advanced and high-precision machine tools to process and produce bearings. And after the bearing is made, the quality inspection procedures with international standards are adopted to strictly control the quality of the bearing.