NTN imported bearings themselves sealing skills

Source: China Bearing Network Time: 2013-01-12

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The additional sealing device supported by NTN imported bearings can effectively avoid foreign body aggression; however, this additional sealing device will increase the axial dimension of the structure; it is inconvenient for NTN imported bearing operation and device repair; together with its sealing function The machining accuracy of the shaft diameter and the shell-like part and the influence of the public position of the row. The sealed bearing can not only have an outstanding sealing and smooth environment, but also can deal with the problem of the bearing part; together, it can also eliminate the messy smoothness. Therefore, in the parts with compact layout and strict sealing requirements, it is recommended to use sealed bearings. The sealing of NTN imported bearings not only has excellent dustproof and sealing effects, but also excellent in the process of bearing work without replenishing smoothing agent. Working condition; reduced repair costs.
The sealing of NTN imported bearings is divided into touch and non-touch seals according to the layout. According to the touch method, it can be divided into radial seal and axial seal. According to the structure of the seal ring, it can be divided into single lip seal and double lip seal. Touch seals usually have a dust cover and a rubber seal. The dust cover has a large gap; it is only suitable for dustproof; the rubber seal seals the gap. The payoff shrimp is used. The touch seal bearing usually only needs rubber. The sealing ring is extremely auxiliary parts. The rubber sealing ring lip has a certain fitting force and the NTN imported bearing rotating part has an interference touch; then it plays an outstanding dustproof sealing effect; but its limit rotation speed is lower and the conflicting moment is larger.

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