Topic: Help please. Need to find the output shaft bearing for a cb500 four

[Elvarko]

Will keep the storey short as I have been dicked around by several bearing experts!!
I need the part number 22 in the attached spares part list.  Now I am told that part no.  9100128300 special bearing 5205 Nachi ( which I removed from my bike). Should be 91002283000 Special bearing Fujikoshi!  Me thinks the part numbers reflect the bearing manufacturers, but there again!!!

I have been told and have seen on the web that this or these bearing no longer available! But hey there must be somewhere in the world it is I just cannot find it.  Any ideas??  Many thanks

[dusterdude]

Its probably a 205 bearing,somewhat common in the automotive world.some part numbers would be 205 if not shielded,if shielded it may be a 205s,205ss or 205f or ff
Btw,does the bearing have a snap ring groove in it?

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[Elvarko]

Yes it has a snap ring groove.

[Bodi]

5205 is a standard bearing... what makes it "special" is the real question.
Probably just the ring groove but it could be a special construction (clearance, ball size/count, ?). Since the OEM one is NLA a typically stocked ABEC 3 or E3 bearing should be OK.
A proper bearing shop can get a groove ground into a standard bearing: measure its location, width, and depth. You may not like the price though. For open oiled operation, just pry off whatever seals the bearing may come with.

[kmb69]

Pretty sure the groove is what makes it special.