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The cylindrical needle bearing service life of the main task is based on a lot of background material, data, and failure mode analysis to identify the main factors causing bearing failure, the proposed improvement measures, extend bearing service, in order to avoid the incidence of sudden bearing early failure.
Cylindrical needle bearing fatigue life estimation method calculations and experiments two.
The calculation formula and the calculation rules, in accordance with the provisions of the bearing fatigue life calculating the fatigue life of the inner ring or shaft rotation (in this case, the outer ring or seat is fixed) of the predetermined calculation, the total value of the transfer of the total transfer value.
Rolling fatigue life test procedures, the standard test method), in a manner of use of performance of the test machine in order to meet the provisions of the requested column needle bearing fatigue life test of the number of samples obtained from the test data of the actual test life, that is, theme reveals the life of the bearing fatigue test.
Bearing fatigue life test is sufficient lubrication, maximum inhibition of the wear of the Rolling projecting bearing fatigue factor with enhanced capacity and speed, enhanced fatigue life test methods.
The calculation of the cylindrical needle bearing fatigue life and fatigue life test are complementary, the two results are enough letters.
In fact, if every specific use, has taken a sufficient number of bearing life test to verify the suitability of the selected bearing on the economy of time and the amount of labor, and, therefore, the bearing life test method is necessary or important in most cases, in the case before use, a standard method of calculating, the estimated life, the bearing life and a sufficient level of reliability.
| Product Model | Inside Diameter | Outside Diameter | Thickness |
| NA5900 NSK | 10 | 22 | 16 |
| NA59/32 NSK | 32 | 52 | 27 |