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Sealed Spherical Roller Bearing

The Seals of spherical roller bearing can be divided into self-seals and extra seals. Self-seals is that the bearing has the seals in itself, such as dust cover and sealed ring. This seal takes up a s

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The Seals of spherical roller bearing can be divided into self-seals and extra seals. Self-seals is that the bearing has the seals in itself, such as dust cover and sealed ring. This seal takes up a small space and can be installed easily. The cost is cheap. The extra seals can be divided into contact seals(seals are in contact with its relatively moving parts and without gaps.) and non-contact seals(seals are not in contact with its relatively moving parts and has a suitable gaps). There are some factors should be noticed before choose the extra seals:

1. Bearing lubricants and types(lubricating grease and lubricating oil)

2. The operating condition

3. The advantages of shaft support structure and the range of angle deviation;

4. The peripheral speed of the sealing surface

5. Work temperature

6. Manufacturing cost


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