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How to choose low-noise bearings
Posted byվԱ | Published2011-9-8 | Reading10283
Bearings with relatively small noise
1) ball bearing roller bearing noise ratio is low, less sliding bearings (friction) noise more than the sliding bearing is low;
2) The use of solid cage bearing relative to the noise than with low-stamping bearing cage; the use of plastic cage bearing noise more than the use of the bearing cage are two low; the ball a few more, thick outer ring, the noise also smaller,
3) high precision bearings, in particular, the use of higher precision rolling bearings, the noise than the low-noise precision bearing is relatively small,
4) Small bearing bearing noise ratio of noise is relatively small. 2) low-noise requirements of the rolling bearing
The production of standard bearings in China, some single row radial ball bearings and cylindrical roller bearings are used in low-power machine bearing noise variety. One ball bearing inner diameter 2.5mm to 60mm from a number of varieties with Zl, Z2 and Z3 are three suffixes, corresponding to three different low-noise requirements, and roller bearings from N309 to N322 type-type models have a total of eight produced by low-noise standard varieties.
These bearings can be applied to other low-noise requirements of the machine, and the price is cheap, as in the type and size to meet the requirements, as far as possible these two types of low-noise bearings.
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