CEMA 6806 Ceramic Bottom Bracket Bearing
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The CEMA 6806 bearing, measuring 30 x 42 x 7 mm, is a replacement bottom bracket bearing in ceramic, chrome-plated steel, stainless steel or coated SG3 ceramic, with class ABEC5 stated by the supplier. It is designed for anyone who needs to replace a bottom bracket bearing while retaining the same bearing seat dimensions, without changing other components.
The bearing is double sealed, meaning it is protected on both sides to better retain dirt inside. The colour is silver-black. Before ordering, compare the inner diameter of 30 mm and outer diameter of 42 mm with your original bearing.
| Type | Ceramic, chrome-plated steel, stainless steel or coated SG3 ceramic |
|---|---|
| Inner diameter | 30 mm |
| Outer diameter | 42 mm |
| Thickness | 7 mm |
| Seal | Double (double sealed) |
| Class | ABEC5 |
| Colour | Silver-black |