(Topic ID: 252704)

Indiana Jones (WMS) Nyliner bearing

By arakissun

2 years ago

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Topic Stats

  • 12 posts
  • 4 Pinsiders participating
  • Latest reply 2 years ago by pinsanity
  • No one calls this topic a favorite


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#1 2 years ago

Can anyone tell me the correct part number for nyliner bearing at A-16317 assy?
I can see 20-8790,but there are many different sizes like -2 or -5 and etc.
This is not shown at the manual.

#2 2 years ago

its what the manual says
all the -2 etc are all different part numbers

#3 2 years ago

So 20-8790-2 is the full number?
1/4-inch inner diameter?

#4 2 years ago


#5 2 years ago

no 20-8790 is the correct number no -2

if it says 2 its 2x qty

#6 2 years ago

Hey Ara...
20-8790 is the Williams part number for a nyliner bearing used for 1/4 inch diameter shafts. (Bearing length .078 inch) That is what you need for A-16317.
Additionally, Williams used a suffix -1 through -9 for nyliner bearings with different lengths or for different shaft diameters. For example, 20-8790-1 is a nyliner bearing for a 3/16 inch shaft. 20-8790-2 is for a 5/16 inch shaft.

#7 2 years ago

Thank you guys.This was very important info for me.Never late to learn something new.

#8 2 years ago
Quoted from Ballypinball:

no 20-8790 is the correct number no -2
if it says 2 its 2x qty

Incorrect. They are the same part but any suffix number refers to a non standard size/diameter for that part.

#9 2 years ago

Hm I was thinking the same -2 or -3 or-5 and etc are the specific size/diameter for that part.
But may be if there no number after the main part number,then by default it's 1/4 inch diameter.

#11 2 years ago

piss off pinsanity I know more about Williams part numbers than a hair on your head

I gave the correct info, I was saying if it had a 2 in the column qty is 2 not -2

go back to the funeral business

#12 2 years ago

There is no quantity column on the A-16317 ball trough assembly page in the manual so the information given is erroneous.

After 27 years of buying/importing and selling pinball machines in conjunction with my current employment in the State AG's Department which provides just the right lifestyle/remuneration balance between the two, at this stage I am quite content in my career.

At the very least it certainly provides the outside perspective that seems to be severely lacking in some sections of the Australian pinball community.

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