Four row cylindrical roller bearings are mainly used in cold/hot rolling mill,bloomer and other steel rolling mill machines.The bearing structure is separate structure. The bearing rings and rollers can be separated easily. So it is convenient for bearing cleaning, checking, mounting and unmounting jobs.

FC model bearing is consist of two outer rings and one inner ring. On the both sides of outer rings, there are blocker,middle blocker on the middle of the blocker. There is no blocker on the inner rings.

FCD model bearings consist of two pieces of NN model bearings..