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How to carry on the detailed inspection of the bearings and bearing? Should pay attention to is the same, the main bearing checks still have to be careful not to let the pollution of dust and metal into the angular contact ball bearing, this is always one of the items of attention must be paid to our inspection, is also one of the most important. Don't because the original bearing wasn't in the dust and metal, but entered in the examination of the words, it would be wrong, a bearing to just give us the damage in case of not careful. The following are the detailed steps to check bearing.
1 friction compatibility
The shaft diameter of direct contact with the bearing to prevent the impact properties of adhesion and formation of boundary lubrication friction factor is compatible materials:
(1) into the difficult easy degree accessory material metallurgy alloy.
(2) affinity materials and lubricants
(3) into the coefficient of friction Vice materials without lubrication condition
(4) the microstructure of materials
(5) the material's thermal conductivity
(6) characteristics of the material surface can size and film
2 embedded
Material allows the lubricant in foreign hard particles clamping and prevent scratching or (and) ability to abrasive wear of metal materials, low hardness and elastic modulus of low embedding is good is not necessarily non-metallic materials such as elastic modulus of carbon graphite was low but not usually embedded sliding bearing friction pieces for general use soft materials do bush with a soft material and hard material
3 the running-in
To reduce the diameter of shaft and bearing machining error, concentricity error, surface roughness values the ability to make uniform contact thus reducing the friction, the wear rate of the shaft and bearing running-in process
4 friction compliance
Material on the surface of the elastic-plastic deformation compensation slide initial friction surface with the flexural properties of elastic modulus of bad and shaft materials with low compliance is better
5 wear resistance
As a material to resist wear ability to wear in the prescribed conditions with wear rate or wear reciprocal degree, wear to wear resistance
6 fatigue resistance
In the ability of a material to resist the fatigue damage under cyclic loading in the use of temperature bearing material strength, hardness, impact strength and uniformity of structure against fatigue is very important the running-in, embedding good materials are usually poor fatigue resistance
With friction little lubricant in between two fingers, if the presence of pollutants, can feel it; or in the back of the hand is coated with a thin layer of lubricant, and then sealed optical inspection.
Bearing lubrication oil in addition to the old oil and, if possible, should be poured into the fresh oil and let the machine in low speed rotation for several minutes. Pollutants as far as possible to make the oil collecting residue, and then poured the oil. Note: oil in use before filtration. While the use of grease lubrication bearing in the replacement of grease, used by Joe remover should avoid any site with cotton to contact angular contact ball bearings. Because the residues of these fibers could wedge rolling pieces and caused damage, especially the application of small bearing more attention should be paid to this problem.
| Product Model | Inside Diameter | Outside Diameter | Thickness |
| 12BGR10H NSK | 12 | 28 | 8 |
| 12BGR10S NSK | 12 | 28 | 8 |