... our pursuit!Company name Jinan Ruihuade Bearing Co., Ltd.Home page http://www.jnruihuade.com ; http://ruihuade.en.alibaba.com/ ... coefficient of triction, high limiting speed, large size rang and colorful combination of structure; they are suitable for tractors, ... motors, automobiles, motorcycles, and other common machinery, as a widely used type of bearings ...