Steel balls roll between these two parts.
Cup and cone bearings bike.
There is a bearing on each side of the hub.
There are some exceptions use your old cones for reference.
Measure your axle thread size the cones outer diameter and overall length.
Bicycle bearings commonly use bearing balls placed in a cone compressed with a cup cup and cone bearing.
There is an improvement on this technique as follows.
For bearing ball standards see.
The hubs of most bicycle wheels revolve around one of two types of bearing system.
We are using a rear wheel but the procedure is the same for a front.
The cones are conical nuts that screw onto the axle.
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.
A basic bearing system is seen below.
Thanks for your suggestion.
If the cones are screwed on too far they exert pressure on the bearing balls.
The cone traps the ball bearing.
Cup and cone bearings.
Angular contact bearings also allow easier maintenance adjustability and serviceability.
The cups are built into the shell of the hub.
Find out how to service cup and cone hubs in our walkthrough video step 1.
The cup is normally a permanent press fit into the hub shell.
Loose ball bearings are the most traditional and require the use of bearings with a mated cup and cone.
A disposable cartridge bearing or a cup and cone system which can be serviced.
Standard bicycle bearing ball sizes.
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.
The locknut is tightened against the cone to prevent the cone from moving.
For the rear first remove the cassette from the.
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.
Cup with curved walls holds the balls while the cone presses on top holding them in place.
Taiwanese cones fit 9mm 9 5mm and 10mm diameter axles.
Modern freehubs tend to be more complex.
I do a lot of old bikes and finding cones is always a big pain.