A professional large & extra-large bearing factory | manufacturer in China
WRT is the brand of Wafangdian Ruitong Bearing Manufacturing Co., Ltd. WRT China Bearing Factory has consistently elevated its manufacturing capability and is now recognized as one of the leading Bearing Manufacturer of components and high-grade finished bearings in China.
WRT mainly supply large and extra-large bearings (O.D. from 100mm to 2500mm), our technical and manufacturing expertise have led into regular exports order in normal bearings & industrial bearings, and other Special Bearings as per Samples & Drawings. For more information, pls see our detailed Products
We believe that honesty is the best policy and emphasize on customer first. WRT has been expanding customer to more than 20 countries and has been reliable suppliers for some large industrial company in the world, serving to improve performance in virtually every motion product by pioneering innovation and understanding the leading technologies of tomorrow.
WRT is one of professional four point contact ball bearings factory | manufacturer in China
Four point contact ball bearings is separable bearing, owning two-piece inner ring or outer ring. its contact angle is 35 °。 There are four points contact between steel ball and rings. Four point contact ball bearingscan endure radial load, axial load and the combined load (axial load and radial load). This type of bearing can limit the displacement of two radial directions between the shaft and housing. We classify it by its structure .they are QJ and QJF this two kinds. Four point contact ball bearingsenjoy big load capability and high rotate speed. They can support the bidirectional load. They own the both character which single row enjoyed and double row enjoyed. Four points contact ball bearing is suitable to mill machines, spindle shaft for machine tools. And printing machines etc