back-up roller bearings

We can design and manufacture various types of rolling bearing ranging from 150mm to 4500mm , either standard or nonstandard , and the accuracy can reach Class 4?If you are interested , please contact us directly by email:lysn@lysnbearing.com & precisionsale@yahoo.cn . If you want to learn more , you can also check our web site : www.lysnbearing.com? In order to improve the quality, we purchased the SKF 6 material used on our back-up roller bearings. At the same time, we check gauge periodic in order to insure the accuracy of our equipments at the temperature constant state in our inspecting room. Now the using life of our back-up roller bearings can reach 6 months withstanding the pressure about 1000 tons.
back-up roller bearings