This document provides technical data and features of ball and roller bearings, including deep groove ball bearings, miniature and extra small bearings, angular contact ball bearings, self-aligning ball bearings, cylindrical roller bearings, tapered roller bearings, spherical roller bearings, thrust bearings, as well as locknuts, lockwashers, and lockplates. The document also includes warranty information for products purchased from NTN.
The manual covers the fundamentals of ball and roller bearings, including classification, characteristics, and material options. It offers detailed guidance on bearing selection, load rating, dimensions, tolerances, fits, clearance, speed limits, friction, temperature rise, lubrication, sealing, and handling procedures.
Additional sections address warranty terms, technical data, and appendices such as hardness conversion tables. The document serves engineers, technicians, and purchasers who need to choose, install, and maintain NTN bearings correctly.
| Warranty period | One year from date of delivery |
|---|---|
| Catalog number | CAT. No. 2202-K/E |
The warranty lasts one year from the date of delivery.
The purchaser must promptly notify NTN in writing, and NTN will repair, replace, or refund the product.