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According news from NSK company, NSK launched more robust bearings, by providing its S-design seal on mostly inserts up to 100mm for self-lube mounted bearing units. The new bearing unit are capable for producing , food processing as well as material handling industries.
The introduction of the S-design seal across the entire Self-Lube range expands the amount of sealing options available with the bearings. It comprises a strong steel former, which is firmly secured in the outer ring of the bearing, allied with a flexible nitrile rubber sealing lip that contacts with the fine-ground finish of the inner ring to give low-friction performance and improved sealing capability.
The Triple Lip Seal offers high levels of protection with three sealing lips that contact the bearing inner ring. There can be some reduction in rated speed as a result of this configuration; however, in the applications where this seal is used - on agricultural machinery for example - this is not usually a problem.
By providing bearing units that are ready assembled to bolt into place, Self-Lube units enable designers to easily and economically solve specific bearing problems, relating to component complexity, and mounting and bearing maintenance and life in difficult environments.
Both high efficiency of sealing and low-friction operation of self-lube sealing options can be strongly enhanced the bearings utilization fuction, these are a great improvement and development of NSK bearing units.
| Product Model | Inside Diameter | Outside Diameter | Thickness |
| 6948ZZS NSK | 240 | 320 | 38 |
| 6044ZZS NSK | 220 | 340 | 56 |