Which Bearing Closure Are Best?
How to choose the bearing closures type?
Which bearing Closures are the best?
It depends on the bearing application and ambient, the enviroment.
Hope the below table can help you!
Which bearing Closures are the best?
It depends on the bearing application and ambient, the enviroment.
| Considering point | Open | Shield(ZZ) | Seal(RS) |
|---|---|---|---|
| Closure Materia | NA | Steel | Rubber |
| Cotaminate protection | No | Good | Very good |
| Protection from moisture and dirt | No | Good | Very Good |
| Retain lubrication | No | Good | Very Good |
| Impact by speed | No | No | Yes |
| Water proof | No | Good | Very Good |
| Withstand higher temperature | Higher | Higher | Lower |
| Increasing the temperature | No | No | Yes |
by Jota Bearing
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