four point contact ball slewing bearing - 1 views
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ngswbtec on 20 May 22Due to Four point contact ball slewing bearing has the widest application, it is our main product and account for 80% of the total product, In order to make sure the contact angle is within the right point, we constantly inspect the raceway grinding machine and inspect the contact angle with a special tool which is our practical patent, this is also why our delivery slewing bearing has longer life than other peers.