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RC Bearings
How are bearings measured? Example: 5x10x4mm
- 5mm internal diameter
- 10mm outside diameter
- 4mm wide
Should I buy a bearing with a rubber shield or a metal shield?
- Rubber shielded bearings are better protected from water and dust. However, they add more friction.
- Typically recommended for bearings exposed to the elements, for example, a wheel bearing.
- Metal shielded bearings are not as protected from water and dust. However, they have less friction.
- Typically recommended for bearing that requires high RPMs and are already protected, for example, like an internal gearbox bearing.