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Four cylindrical roller bearings and cylindrical roller bearings six almost exclusively for the roll neck rolling racks, rollers and rolling presses. Compared with other roller bearings, these bearings low friction. Since these bearings are usually mounted with an interference fit on the roll neck, especially for high-speed rolling mill rolling application. The cross-section of the bearing allows the use of low roll diameter is relatively large compared to the diameter of the roll neck. As much can be loaded roller, the radial load capacity is very high.
Multi-row cylindrical roller bearings can bear radial load. Therefore, these bearings with deep groove ball bearings or angular contact ball bearings, thrust or radial design or the design of tapered roller bearings are installed by the latter axial load. Four and six tapered roller bearings for the separation of design, ie with integral flanged ring and roller and cage assembly can be used with split bearing rings are installed separately, or all of the bearing components can be installed separately.
This is to a considerable extent simplifies bearing mounting, maintenance and inspection. Bearing can withstand certain limits relative to the bearing shaft axial displacement. Four cylindrical roller bearings with a cylindrical bore some size bearings with a tapered bore can supply. With a tapered bore bearings can be adjusted during installation to obtain a certain radial internal clearance or preload determined.
| Product Model | Inside Diameter | Outside Diameter | Thickness |
| NJ328 NTN | 140 | 300 | 62 |
| NJ2228E NTN | 140 | 250 | 68 |