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Tapered bearing carriers are suppose to be a bit stronger. The downside is more attention needs to be paid to the tension on the axle nut (too much and you've got increased drag w/ reduced bearing life, too little and you might develop bearing ruining slop). Since keeping a precise amount of torque on the axle lock nut--even with some of the high dollar aftermarket ones--can be a pain, I'd just get a dual row carrier.

A tapered bearing setup is much stronger than a twin row style bearing because the tapered bearing's rollers are tapered rather than straight right cylindrical. The roller shape allows thrust loads to be withstood in addition to the radial loads. A familiar application for tapered roller bearings is the central hub bearings for automobile wheels. When an auto traverses a turn, the wheels must withstand a significant lateral force, so that tapered roller bearings are necessary. You don't get so much of that lateral force in the bearing carrier of a quad but you do get some. One disadvantage of the tapered bearing setup is the cost as you mentioned but also getting them setup as far as having the proper amount of force applied when "setting" the bearing in place. If you've ever replaced tapered bearings in a wheel hub for instance it's real important to not tighten the axle nut too much or it will prematurely wear out the bearing, too loose and you could create other hazardous results!

twin row bearing are strong and do last, but they will bind when going around corners. standard bearing construction only handle force loads that are perpendicular to the centerline of the axel, they do not handle force loads that are parallel with the axel.....so when you go around a corner the force is transmitted down the axel into the bearing assemblies and it pushes the ball bearing sideways into the races, causing binding....taper bearings handle the forces in both directions, so you dont get binding of the ball bearings against the races......see how many racers use tapered bearings setups......

the taper bearings are superior...but you loose so much chain adjustment you will hate them. The taper bearings have a bigger OD so they have to be closer to the center line of the carrier. You can even adjust for 1 tooth on the countershaft with them

Kev006 schreef:hmmm, ik dacht dat ge da probleem alleen had als ge crosste... Maar blijkbaar dus nie.

Ze hebben me ooit gezegd om er gewoon een smeernippel op te zetten en elke keer goed te smeren als je hem hebt afgespoten enz. Maar ik ben er toch nie van overtuigd dat da gaat helpen.
Heb eerder het gevoel dat het dan slechter wordt.

Ik cross veel in de slijk enz. en elke winter kan ik men lagers wel een keer vervangen...

bizon450 schreef:40000 km ?! Je zal wel 4000 bedoelen zeker haha
Ik denk dat het ook niet veel zou helpen als je er een smeernippel zou op zetten, aan gezien je lagers gesloten zijn.. Tenzij je de dichting aan de binnenkant af doet dan kan het vet wel bij je lagers..