NTN Published Completely Revised “Ball and Roller Bearings Catalog”
Further expansion of product lineup and technical information
NTN Corporation published completely revised “Ball and Roller Bearings Catalog” so that the customer makes the best use of our technical information and know-how regarding rolling bearings.
In this complete revision, we have reviewed the basic dynamic load rating*1 which is the basis for calculating the life of rolling bearings based on bearing operating life data that we have accumulated over many years, and have listed the fatigue load limits required for calculating the modified rating life *2 specified in ISO standard and JIS for each model number. *3
In addition, we expanded our product lineup for ULTAGE *4 series, the world's highest level in our bearing series, in order to meet the diverse needs of our customers.
In addition, we have enhanced technical information by greatly increasing the number of pages on technical explanations such as how to select and handle bearings, and how to design peripheral components. The size has also been changed from the conventional A4 to A5, making it easier to handle, as well as applying step indexing so that customer could open the page immediately.
Not only selecting our product, please do use this revised catalog to learn about ball and roller bearings.
Indicate the dynamic loadability of rolling bearings. This is the basis for calculating the life of rolling bearings and the constant load that gives a basic rating life of 1 million revolutions.
bearing rated life modified for either or combination of 90% and greater reliability, fatigue load limit, lubricant contamination, and particular operating conditions.
Fatigue load limit and basic dynamic load rating after revision are not included in the dedicated catalog. It is scheduled to be included sequentially at the time of revision of each catalog.
ULTAGE is the name for NTN's new generation of the world's highest standard of bearing series, and expresses the “ULTIMATE” performance on any type of “STAGE”.
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