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Failure analysis of spherical roller bearings TIMKEN main task is based on the large amount of background material, analysis of data and failure modes, identify the main factors contributing to failure so that targeted measures for improvement, and extended bearing service, avoid sudden early bearing failure.
First of all, along with advancement of the reasonable structure design, spherical roller bearings with a longer life. Bearing manufacturing generally after forging, heat treatment, machining, grinding and assembling multiple processing procedure. Rationality, advanced processing technology, can also affect the stability of the bearing life. Influencing the quality of finished TIMKEN bearing heat treatment and grinding processes, often associated with bearing failures have a more direct relationship. Study on bearing surface degenerating layer in recent years shows that close to the surface quality of bearing grinding process.
1, note bearing installation
Bearing is properly installed, which will affect accuracy, longevity, performance. Therefore, design and Assembly departments for installation of bearing products to fully study. Want to follow the standard installation. Standard projects are usually as follows:
(1) clean bearing and related parts;
(2) check the sizing and finishing of correlative parts;
(3) installation;
(4) when the bearing is installed check;
(5) supply of lubricants. Bearing installation carefully this five-step
2, tuneup, straightening
TIMKEN bearings after installation, if not carefully tuned, straightening may lead to bearing subjected to additional loads, friction and vibration. This might accelerate fatigue and reduced bearing service life of the product, and it may damage other parts of life, in addition to increased vibration and friction may significantly increase energy consumption and premature failure risk.
3, basic condition monitoring
During its use, to run basic external bearing condition monitoring on a regular basis, such as temperature, vibration and noise measurement, and so on. Bearing experts pointed out that these regular checks for early detection of potential problems and prevent unexpected machine suspension, make production plans can be realized, improving factory productivity and efficiency.
4, again lubrication
During the operation, TIMKEN bearing requires a correct lubrication again, perfect its performance. Lubrication of bearings products, divided into grease lubrication and oil lubrication. In order for the function of bearing products play well, first of all, to select suitable for conditions of use, use of methods of lubrication. If only lubrication, oil lubrication of lubrication-dominated. Grease lubrication can be simplified bearing structure around like that.
Reversed heart roller bearings of periodic maintenance, operation of equipment and peripheral parts was removed when changing abort when soujian TIMKEN bearing, demands discrimination again because of the bearing components can be used in the order and record use of good to bad. In order to ascertain and queries visit the remaining amount of lubricant, sampled recently, a good wash bearings.
| Product Model | Inside Diameter | Outside Diameter | Thickness |
| 7008CDF NSK | 40 | 68 | 15 |
| 7008ADF NSK | 40 | 68 | 15 |