How to keep the service life of the truck bearing?

2,298 Published by Apr 28,2020

DF single row tapered roller bearing type 30,000 is used on truck axles.
This kind of truck bearing can know enough to limit the axial displacement of the shaft or the housing in one direction and bear the axial load in one direction. The additional axial force will be generated under the action of radial load. Therefore, the outer ring of the truck bearing and the inner ring of the inner ring of the same name are relatively installed in the middle of the two bearings of the shaft. If used alone, the external force of the shaft must be greater than Additional axial force.

The 313 series tapered roller truck bearing has a large contact angle (27 ° to -30 °) and can withstand large axial loads. The contact angle of other series bearings is between 10 ° -18 °.
Pay attention to the main points of the installation and maintenance of truck bearings. From the perspective of use, pay attention to the following points to ensure that the bearings can work reliably: 1. Improve the quality of lubrication, control the pressure, temperature and flow of oil, and strengthen oil filtration. 2. Use fuel and lubricating oil that comply with regulations.

3. Control the temperature state of the diesel generator set, and work under supercooling and overheating conditions is unfavorable. In cold weather, the diesel engine should be preheated before starting, and the crankshaft should be turned by hand to allow the engine oil to enter the friction surface. 4. The surface quality and geometry of truck bearing and journal should be strictly ensured. 5. The bearing clearance should be appropriate. If the generator set is too large, it will cause impact. If it is too small, it will be poorly lubricated and may burn the tiles.

How to ensure that the truck bearing works reliably, generally speaking, the following points should be noted from the perspective of use: 1. The clearance of the truck bearing should be appropriate. If it is too large, it will cause impact; if it is too small, it will be poorly lubricated and may burn tiles; 2. The surface quality and geometry of truck bearing and journal should be strictly ensured; 3. Improve the quality of lubrication, control the pressure, temperature and flow of engine oil, strengthen the filtration of engine oil;
4. Use fuel and lubricating oil that comply with regulations. In order to make the truck bearing fully play and maintain its proper performance for a long time, it is necessary to do regular maintenance (regular inspection). Through appropriate regular inspections, early detection of failures and prevention of accidents are very important to improve productivity and economy.

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