Enduro Zero Grade 3 Ceramic Bearings

The enduro abec 5 hybrid bearings will give you most of the benefits of the grade 3 silicon nitride si3n4 ceramicspeed bearings but at a much lower price tag.

Enduro zero grade 3 ceramic bearings.

Make offer enduro zero ceramic grade 3 6902 sealed cartridge bearing 15x28x7 used set of 2 new f1 ceramic 6810 ceramic bearing 50x65x7 originally 175. Like ceramic hybrid zero ceramic use a combination of ceramic silicon nitride si3n4 balls and steel races except they are of higher grade 3 quality. The races are then reground to a mirror finish after this treatment. This is the highest grade for hybrid ceramic bearings.

The lower the grade number the better is the ball. Abec3 ceramic hybrid zero ceramic etc. Only 10 years ago grade 25 would be considered a very high grade ball used in the best hubs and bottom brackets made. We tested their spinning.

The races are also black oxide treated and ground toa mirror finish which prevents corrosion and provides near perfect efficiency and tolerances. Enduro bearings starts with grade 10 balls and then grade 5 or grade 3 at the top. Enduro bearings only uses very high grade balls whether steel or ceramic. There are different qualities.

Compared to the enduro steel bearings both type of ceramic bearings have lower friction lighter weight and longer service life. Bearing code 6805. The races are treated with a black oxide coating which helps prevent rusting in the bearing. These are the roundest balls you can buy without a military license.

The balls are grade 3 silicon nitride si3n4. Enduro 6806 vv zero ceramic cartridge 30 id 42 od 7 w. The zerø ceramic bearings have ceramic balls and steel races.