Bearings
There are three kinds of pairing methods of angular contact ball bearings: series (DT) back-to-back (DB) and face to face (DF). The most common one is DT/DB pairing.
In series (DT) :
1. The two bearings are the same and the installation direction is the same;
2 can bear radial load;
3. Weak self-aligning and poor ability to withstand higher overturning moment;
Back to back (DB) :
1 symmetrical installation;
2 can bear radial load;
3. Able to bear axial load in two directions;
4 can withstand high overturning moment;
Face to face (DF) :
1 symmetrical installation;
2 can bear radial load;
3. Able to bear axial load in two directions;
4. Weak self-aligning and poor ability to withstand high overturning moment;
Bearings are the heart of machinery. Choosing a suitable bearing will greatly improve the production efficiency of mechanical equipment and save costs. High-standard bearings can reduce friction and have strong high temperature resistance during high-speed operation and overload operation. Bearing life and increase speed.
Rubber dust cover type
Both sides with rubber dust cover factory has been filled with grease
High temperature resistant
Ceramic ball thermal expansion coefficient is small in high temperature environment will not cause the bearing ball expansion because of the temperature.
High speed
The ceramic ball has the property of oil-free self-lubrication the friction coefficient of the ceramic ball is small so the ceramic has a high speed.
Long service life
The ceramic ball can be without any grease that is to say even if the grease dries out the bearing can still operate so as to avoid the occurrence of premature damage phenomenon caused by the grease drying in bearings
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