Hemmings Layshaft bearing

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Ted,
Thank you for explaining that to me.
I'm glad there is room between shafts.
Just got to remember everything is going to be hot
Marshal
 
I just sent Miller Bearing in Tampa location a request for the bearing.
At $29.95 that's a good price. Well see what they come back at me with.
it was very expensive around here in the North east.
Marshal
 
Mine just showed up via UPS today. It looks exactly like the pictures in the front of this thread, but strangely, is not labeled with country of manufacture. It's an FAG bearing so I'm expecting it to be good enough quality.
 
Steve,
Miller Bearing sent me an email quote for a unknown bearing not even close to what I asked for.
I reclarified the exact bearing for them we will see if they can get it right.
Marshal
 
nortonspeed said:
'ball bearing versus roller bearing' I will start a new topic.
Click to expand...

Did I miss the debate on this one?!?

Is not like you boys to dismiss a chance for a good debate!

So... Ball Bearing vs Roller Bearing...

I'm saying the ball is best and anyone who disagree's don't know shit...

(should get us going)
 
I’m sorry to disappoint you Eddie, but I agree with you.

After all that shimming crap, I couldn’t get the rollerbearing out fast enough. Knowing that the layshaft was floating is not comforting to me. If there are enough lateral forces to bust up bearing cages, even if they are not the best bearing, then some sort of thrust bearing designed for this should be employed if a roller is used and the shaft is allowed to float. Busting up against and rubbing against hard shim stock or the shoulder of the inner riding against the rollers seems poor in concept.

It has been my thought that poor clutch adjustment, hard up and down shifting, speed shifting without a clutch at all, has more to do with failing layshaft bearings than just a batch of bad bearing. I do not disagree that the bearings could have been a better quality, but abuse has to be considered as a cause, particularly earlier in their lives when we weren’t so conscious of the aesthetic and historic values.

I currently do not have the FAG 6203 tb p63, but I do have a good quality deep groove ball bearing with a rating high in rpms and lateral loads.

Although I sure will get on it once in awhile, I will shift with respect to what one might think as a weak link in the power train, particularly if power enhancement have been employed.
 
Fast Eddie said:
nortonspeed said:
'ball bearing versus roller bearing' I will start a new topic.
Click to expand...

Did I miss the debate on this one?!?

Is not like you boys to dismiss a chance for a good debate!
Click to expand...

That post (and this thread) are nearly 4 years old. :roll:

If you type: "layshaft ball bearing" into the forum search it turns up 398* matches, so plenty there for you to read through.

*(399 now that I've used the term again :) )
 
openroad said:
Yeah, but is Chinese bearing an equal product of the Portuguese FAG?
Click to expand...

I think the original Portuguese bearing that was prone to failure was a white bread nothing special basic 6203 bearing. The newer ball bearings with the reinforced gage or the roller is not comparable from any manufacturing scource.

Just do a little homework and get the bearing with the clearance, radial and linear load you require. You will pay a little more but not that much more then the basic 6203.

I think the issue with the 6203 tb p63 is availability. If you can get one from anywhere, I think you will be fine, China or Portugal, USA or UK.
 
I think the Portuguese FAGs are what Hemmings sells now, I have a suspicion of Chinese knock-offs, and was wondering if all FAGs are created equal.
 
pete.v said:
I’m sorry to disappoint you Eddie, but I agree with you.

After all that shimming crap, I couldn’t get the rollerbearing out fast enough. Knowing that the layshaft was floating is not comforting to me. If there are enough lateral forces to bust up bearing cages, even if they are not the best bearing, then some sort of thrust bearing designed for this should be employed if a roller is used and the shaft is allowed to float. Busting up against and rubbing against hard shim stock or the shoulder of the inner riding against the rollers seems poor in concept.

It has been my thought that poor clutch adjustment, hard up and down shifting, speed shifting without a clutch at all, has more to do with failing layshaft bearings than just a batch of bad bearing. I do not disagree that the bearings could have been a better quality, but abuse has to be considered as a cause, particularly earlier in their lives when we weren’t so conscious of the aesthetic and historic values.

I currently do not have the FAG 6203 tb p63, but I do have a good quality deep groove ball bearing with a rating high in rpms and lateral loads.

Although I sure will get on it once in awhile, I will shift with respect to what one might think as a weak link in the power train, particularly if power enhancement have been employed.
Click to expand...
Good point ref rider abuse, my bike has done 20k miles and still had the stock 'bad' bearing, it feels slightly rough when spinning it in my fingers, but hasn't 'exploded' like some. And I'm pretty sure I was the first person inside that gearbox since the chap at the factory!
I put this down to (along with other evidence on the bike) the fact that those 20k miles were probably not very hard ones!
The next 20k will, I hope, be somewhat harder!!
 
A Genuine FAG made in China is as good as any other Genuine FAG, they are all made to the same stds and the steel specified is the same low inclusion type used in all FAG factories. Problem is the FAG labelled Chinese knock offs which cannot be trusted but I doubt these would be labelled as made in China but FAG and another country.
 
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