Bearing numbers on timing belt rollers
- Thread starter Araitim
- Start date
Joined Sep 2017
595 Posts | 121+
Lansing Mi
For future reference the bike requires 4 6004 2RSHTN9 bearings. The numbers give all the info if you can decipher what each stands for. 42mm o.d., 20mm i.d., 12mm wide , seals on both side. Among the pics you will see a screenshot of a detail breakdown. This will help people in the future should they want to swap out to a different/better/ceramic bearing .
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Joined Sep 2017
595 Posts | 121+
Lansing Mi
The pulley that gos around the first bearing pic is aluminum on the 821. The other is steel. Now I have to dig in for some research. If/when I have to do a rebuild I will be looking into ceramic bearings as well as micro polishing the trans gears(I already micro polished the clutch and primary gears).
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