CEMA 6803 Ceramic Hub Bearing
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The CEMA 6803 hub bearing, in ceramic or chrome steel, is a thin replacement bearing for the wheel hub, to be fitted when the original bearing develops play or turns unevenly. It measures 17 x 26 x 5 mm, with an inner diameter of 17 mm, an outer diameter of 26 mm and a thickness of 5 mm. It is class ABEC5 and double-shielded to keep dirt away from the balls.
The ceramic version is silver and black, while the chrome steel version is black and silver. The dimensions are identical for both versions. Before ordering, use a vernier calliper to measure the inner and outer diameters of the bearing seat to ensure a correct fit.
| Type | Ceramic or chrome steel |
|---|---|
| Inner diameter | 17 mm |
| Outer diameter | 26 mm |
| Thickness | 5 mm |
| Dimensions | 17 x 26 x 5 mm |
| Seal | Double shielding |
| Class | ABEC5 |
| Colours | ceramic: silver/black; chrome steel: black/silver |