January 18, 200917 yr I'm trying to get hold of 2 bearings 6304.c3 with plastic ball cages??? I'm struggling to find anywhere that can supply them, i can get ones with steel riveted cages, but would like to replace them like for like.. they are gearbox main bearings in my 87 garelli. Please help?? Edited January 18, 200917 yr by hop blip and a jump
January 18, 200917 yr I'm trying to get hold of 2 bearings 6304.c3 with plastic ball cages???I'm struggling to find anywhere that can supply them, i can get ones with steel riveted cages, but would like to replace them like for like.. Please help?? Try http://www.bearingboys.co.uk/search.cgi
January 18, 200917 yr Author I've looked on loads of sites and can only find bearings with steel cages!?!?
January 18, 200917 yr they are the same as a 300 fantic crank if you ditch the old split type. i can get them here at about 35 euros each. Auch! PM me if help is needed lee
January 18, 200917 yr I'm trying to get hold of 2 bearings 6304.c3 with plastic ball cages???I'm struggling to find anywhere that can supply them, i can get ones with steel riveted cages, but would like to replace them like for like.. they are gearbox main bearings in my 87 garelli. Please help?? Go to you local bearing factors and ask them to look them up. C3 is the radial clearance rating and will be quite important. The cages are probably phenolic (Tufnol) Though in a gearbox I'm not sure what advantage Phenolic cages will give. Wayne.... Edited January 18, 200917 yr by wayne_weedon
January 19, 200917 yr Go to you local bearing factors and ask them to look them up. C3 is the radial clearance rating and will be quite important. The cages are probably phenolic (Tufnol) Though in a gearbox I'm not sure what advantage Phenolic cages will give.Wayne.... Agreed, as the steel caged bearing from a quality manufacturer may actually be better!
January 19, 200917 yr They're maybe polyamide cages which don't like gear oil, although it does take some time for them to go brittle and break up, and you're probably using ATF or equivalent in your 'stroker. Moto Guzzi gearboxes are known for the gearbox bearing cages breaking up, the fix is to replace them with steel caged ones. There's some info here; http://www.skf.com/portal/skf/home/product...;newlink=1_0_59
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