noticed a funny vibration last year so i thought id check some bearings out, heres one of the track shaft.

Click to view attachment

Thats one of those items you should replace every year.

I actually did replace it at the beginning of the season, i was suprised it cracked open like that with one season on it. musta got water inside it i think

I grease the clutch side after every multiple day trip. You would be amazed at how much moistyre comes out.

That have a locking collar?--- I have seen that several times from guys overtightening the collar, they should be turned onto the bearing by hand in the normal direction of sled travel, just till it stops, then a light tap with a punch to lock it to the bearing , any tighter and it may crack the bearing.

Don

yea it had a locking collar but i didn't think i did anything wrong there. the ID of the bearing is fine yet. now i got NTN bearing with no dumb lock collar to worry about

Some guys overtighten the collar, only a light tap in the collar hole is required to lock it, anymore and the bearing may fail.

Don

I changed one last year on mine, looks exactly like that. It was an issue with the 03 fcat.

If you got a NTN bearing with no dumb lock collar on it, you got the wrong bearing. You got the gear case side. You need that lock collar, its what keeps the shaft from spinning bearing and wearing out your shaft($200 for the drive shaft). I would get the proper bearing , anyone who tells you that is the right bearing doesn't know what they are talking about.