1.Bearing size
| De =503.3 |
Ni =24 |
| Dm=414 |
D =495 |
| Di=342 |
m =5 |
| Fe=455 |
Z =99 |
| he =M12 |
Norm.Tooth=17KN |
| Ne=20 |
Max. Tooth force=31KN
|
| Fi =368 |
| hi =14 |
2.Applications field widely
Engineering machinery, machine tools, automobile, metallurgy, mining, petroleum, machinery, electricity, railway and other industries.
3. Inspection methods
(1) various mechanical injuries, such as grinding, scratching, pressing and bruising, will result in improper bearing installation, resulting in partial load and stress concentration, resulting in decreased rotation accuracy and service life.
(2) rust, black leather and flax, the latter two are easy to store water and dirt defects, the most likely to develop rust. Corrosion is the source of poor installation, early wear and fatigue. Severe corrosion will make the bearing useless.
(3) various kinds of cracks, such as raw material cracks, forging cracks, heat treatment cracks and grinding cracks, etc., will become the stress focus source and rapidly expand in the later running process of the bearing, causing the bearing fracture and greatly affecting the bearing life and work safety. In fact, for bearings of important use, the bearing factory has conducted 100% magnetic or radiographic inspection on their components.
(4), peeling and folding, these two defects are partially unbonded with matrix metal, and decarburization or poor carbon often exists around it to different degrees. The material is easy to collapse, pressure concave or abrasion, which is unfavorable for bearing life and accuracy.
(5) the riveting or welding quality of the holder is mainly to observe whether the rivet head is tilted, inclined, flabby, missing meat or "double eyelid", whether the welding position is correct, whether the welding spot is too large or too small, and whether the welding is not firm or excessive, causing the phenomenon of stuck rolling body.
4. Installation and disassembly
Do not directly hammer the SKF bearing end and non-stressed surface during installation. Press the block, sleeve or other mounting tools should be used to make SKF bearing uniformly stressed. If the mounting surface is lubricated, the installation will be smoother. If the interference fit is larger, should put the SKF bearing in the mineral oil in installation as soon as possible after heating to 80 ~ 90 ºC, strictly control the oil temperature does not exceed 100 ºC, in order to prevent the effect of tempering hardness decrease and recovery effect size. In case of difficulty in disassembly, it is recommended that you use the disassembly tool to pull outward and carefully pour hot oil on the inner ring. The heat will cause the inner ring of SKF bearing to expand, making it easy to fall off.
5.Popular models
RKS.061.20.0414
RKS.061.20.0544
RKS.061.20.0644
RKS.061.20.0744
RKS.061.20.0844
RKS.061.20.0944
RKS.061.20.1094
RKS.061.25.1204
RKS.061.25.1314
RKS.061.25.1424
RKS.061.25.1534
RKS.061.25.1644
RKS.061.25.1754
RKS.061.30.1904
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