6805 61805 Sealed Bicycle Bearings Chrome/ Stainless/ Ceramic 25 x 37 x 6or7mm

  

Please drop into our shop mcrbikes. Listing is for 1 bearing cartridge. 25mm / 37mm / 6mm.

25mm / 37mm / 7mm. The regular 6805 found in most. Wheel hubs etc is 7mm.

While some Bottom Brackets take. Same bearing but only 6mm wide. Stainless Steel offers greater resistance to corrosion, especially when exposed to moisture for long periods.

Each Hybrid Ceramic 2RS bearing contains silicone nitride (ceramic Si3N4) bearing balls in case hardened steel races. Max grease fill (see below). Made in the EU - Rubber Sealed.

Less Friction - 20 - 40% Faster than steel. Use bearing press or similar. Only press bearings outside edge.

Press rubber seal or inner ring. Strike bearing seal /inner ring. Please read prior to instilation.

Bearings should never be installed by pressing on the inner race. Press with an appropriate tool.

Only making contact with the metal of bearings outer race. Bearing aperture must be clean with no rough edgers or burrs. Bearings that feel smooth before fitting, but then feel rough or gritty. After fitting, are almost always due to the cartridge being poorly seated. If the bearing cartridge starts to twist, under no circumstances.

Stop, gently remove, then re-install. Even a slight twist can damage the bearings inner races irrevocably.

For bearing longevity, do not direct a jet of water, or powerful. Grease cutting detergents, toward bearings. (BBs, wheel hub, headsets etc). Water penetration can lead to premature bearing failure.

PLEASE NOTE COLOUR OF RUBBER SEAL VARIES WITH CURRENT STOCK. Multi Chrome 2RS Bearing Listing.