SKF four row cylindrical roller bearings are used almost exclusively for the roll necks of rolling mill stands, calendars and roller presses. Their friction is low compared with other roller bearings. This type of bearing is only able to accommodate radial loads, they are therefore mounted together with deep groove or angular contact ball bearings, or tapered roller bearings, either radial or thrust designs, which takes up the axial loads.

The following are SKF four row cylindrical roller bearings for your ref,

319148 B