Author Topic: CB750K 6204 Gearbox bearing  (Read 706 times)

Offline philward

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CB750K 6204 Gearbox bearing
« on: May 01, 2016, 07:47:28 PM »
Hi Guys
The bearing in the inner crankcase the hold the gearbox shaft is a bit rough and needs replacing. The bearing designation is 6209 and I have done a search for a quality make (SKF, etc) but one of the options when ordering is 'standard or C3 clearance'. I've googled c3 cleasance and it says less than standard clearance - for high temperature applications but should not be used unless specified. I have also seen them advertised as crankshaft bearings. The bearing has just got 6204 and NSK (make)
Do I need standard or C3?
Cheers
Phil
Current Bikes:-
Honda CB750K2 (1975)
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Offline Trigger

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Re: CB750K 6204 Gearbox bearing
« Reply #1 on: May 01, 2016, 08:19:09 PM »
STD, unless you are going racing but, I am not sure on the clearance of the c3 as every manufacture seems to have there own spec.

Offline Bryanj

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Re: CB750K 6204 Gearbox bearing
« Reply #2 on: May 01, 2016, 08:40:45 PM »
Now is it 6204 or 6209 as they ain't the same

Offline philward

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Re: CB750K 6204 Gearbox bearing
« Reply #3 on: May 01, 2016, 09:36:35 PM »
Sorry - that was a typo - its 6204 - senior moment!
Current Bikes:-
Honda CB750K2 (1975)
Honda CB500K2 (12/1972)
Honda CR750 Replica (1972)
Honda CB350K0 (1969)
Kawasaki ZZR1100D3 (1995)
Kawasaki ZZR250 (1990) Project (Going on eBay ASAP)

 

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