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Starter sealed bearing parts number?
Posted: Sat May 02, 2020 12:26 pm
by Mark Gregush
Anyone have the number for the sealed bearing used to replace the babbitt at the brush end of the starter? I can length the length of the spacer when I have bearing in hand. Looks like maybe 32mm X 13mm X 10mm bearing? In inches I am coming up with; 1.260 X .490 X .3675.
Re: Starter sealed bearing parts number?
Posted: Sat May 02, 2020 12:51 pm
by DanTreace
Re: Starter sealed bearing parts number?
Posted: Sat May 02, 2020 12:53 pm
by AndreFordT
I found this one:
6201 2rs-13
Good luck.
Andre
Belgium
Re: Starter sealed bearing parts number?
Posted: Sat May 02, 2020 12:56 pm
by Mark Gregush
Great and thanks to both.
Re: Starter sealed bearing parts number?
Posted: Sat May 02, 2020 12:57 pm
by AndreFordT
This will be better:
6201 2rs - 1/2
Andre
Belgium
Re: Starter sealed bearing parts number?
Posted: Sat May 02, 2020 1:16 pm
by Mark Gregush
Yes that will be my first choice.
Re: Starter sealed bearing parts number?
Posted: Sun May 03, 2020 8:45 am
by Ron Patterson
The 1/2 ID spacer is .313 long.
Re: Starter sealed bearing parts number?
Posted: Sun May 03, 2020 9:22 am
by BobShirleyAtlantaTx
How great is it when someone making a livelihood doing something gives trade secrets (info) to help others. Ron, YOU are a stand-up guy!
Re: Starter sealed bearing parts number?
Posted: Sun May 03, 2020 10:25 am
by Mark Gregush
Thank you Ron, that helps a lot. My early quick check I was coming up a little longer at .3825. I knew that my reading was off so would have needed to do more figuring to get it right.
Re: Starter sealed bearing parts number?
Posted: Sun May 03, 2020 2:25 pm
by Ron Patterson
Mark
The length of the spacer may need minor adjustment. The brush cap is a deep drawn steel stamping and they are not all exactly the same depth. The critical issue is that the brush holders do not contact the sides of the commutator when the starter is assembled and turning.
It also depends upon how much other work has been done and how to the mounting bracket main bushing. If you have added a lip oil seal to the bracket you will have likely upset the original thrust setting.
Make sure the cap bearing spacer is doing its job and then make the final armature setting inside the assembled case and make any further adjustments on the bracket end thrust washer.
The big problem with properly rebuilding Model T starters (not an Eastern Washington ersatz "rebuild" patch job) is that after you have taken it completely apart, re-bushed the bracket and cap you have to re- establish the necessary armature thrust to get everything back where it should be AND the alignment of the fifteen inch long armature shaft is straight running straight within the three (Yes three; cap, bracket and Bendix drive stop nut running area) bushings.
Have fun and don't get too dirty.
Ron Patterson