CEMA 6801 Ceramic Hub Bearing
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The CEMA 6801 ceramic hub bearing is a thin replacement for the wheel hub, for use when the original bearing has play or turns unevenly. It measures 12 x 21 x 5 mm, with an inner diameter of 12 mm, an outer diameter of 21 mm and a thickness of 5 mm. It has class ABEC5 and double shielding, which helps keep dirt away from the balls.
It is available in ceramic or chromium steel, both in silver and black, so the choice concerns only the material. Before ordering, use a calliper to check that the inner and outer diameters match your hub's bearing seat. If you are unsure, compare the old bearing with the stated dimensions.
| Type | Ceramic or chromium steel |
|---|---|
| Inner diameter | 12 mm |
| Outer diameter | 21 mm |
| Thickness | 5 mm |
| Dimensions | 12 x 21 x 5 mm |
| Seal | Double shielding |
| Class | ABEC5 |
| Colours | silver/black |