Cup And Cone Bearings Bike

A disposable cartridge bearing or a cup and cone system which can be serviced.

Cup and cone bearings bike.

Loose ball bearings are the most traditional and require the use of bearings with a mated cup and cone. There is an improvement on this technique as follows. The bits that keep your bike rolling. If the cones are screwed on too far they exert pressure on the bearing balls.

If there is looseness from bearing play the cone can be move closer to the cup. Angular contact bearings of the cup cone type offer greater strength than sealed cartridge industrial bearings due their ability to displace lateral and vertical loads more effectively for super smooth rotation and longer durability. For the rear first remove the cassette from the. The cup is normally a permanent press fit into the hub shell.

A basic bearing system is seen below. The cone traps the ball bearing. Modern freehubs tend to be more complex. Cup with curved walls holds the balls while the cone presses on top holding them in place.

Cup and cone bearings. The combination of cup cone and balls forms the bearing. Find out how to service cup and cone hubs in our walkthrough video step 1. The cups are built into the shell of the hub.

The locknut is tightened against the cone to prevent the cone from moving. If you cannot find an exact fit cone from our hub cone charts you will need to measure your existing cone and axle to find an approximate fit. There is a bearing on each side of the hub. Standard bicycle bearing ball sizes.

Steel balls roll between these two parts. There are some exceptions use your old cones for reference. Angular contact bearings also allow easier maintenance adjustability and serviceability. Measure your axle thread size the cones outer diameter and overall length.

Thanks for your suggestion. I do a lot of old bikes and finding cones is always a big pain. We are using a rear wheel but the procedure is the same for a front. Instead of fixing the cone in a vise and then grinding on it with a stone which may not be done very evenly it is easier to make a fixed rounded grinding surface and then attach the cone to a rotary drill or dremel tool to machine it.

The hubs of most bicycle wheels revolve around one of two types of bearing system. The cones are conical nuts that screw onto the axle.