Bearing for backup rolls of multi-stage rolling mills – Cylindrical Roller Bearings

The outer diameter of bearings for multi-stage backup rolls makes direct contact with the intermediate roll and rotates while bearing the rolling force. For this reason, the outer ring of the bearing must have sufficient rigidity, resistance against fatigue and high accuracy. JTEKT has developed a bearing with high rigidity and long life by adopting its independently developed steel and cored hardening method. Furthermore, a premium model is also available for oil-mist lubrication which has extended service life by adopting hardened steel on the inner ring and a fluororubber oil seal.