wheel bearing #'s help

[goldwing2000]

Working on my 100 posts to do that.

Four more to go!

 

[Heavysteven]

How about $65.00 a hub, timken.

Going to the GA Rally? Is that for inner, outer, and race?

 

[rizzo]

I just paid $98 for an inner, outer and 2 races at redbarncustoms.net. I was able to pick them up last night.

 

[Heavysteven]

Timken 3995 Autozone $20
Timken 393 Autozone $41

I was told NAPA does not carry Timken.

 

[bones1]

Which one is the inner?.

 

[goldwing2000]

Timken 3995 Autozone $20
Timken 393 Autozone $41

I was told NAPA does not carry Timken.

You sure about those numbers? I have the part numbers as 3994 (inner) and 392 (outer). Plus 3920 for the race (all the same).

 

[steve6x6x6]

Timken 3995 Autozone $20
Timken 393 Autozone $41

I was told NAPA does not carry Timken.

Wrong # it is 3994 inner and 392 outter

 

[steve6x6x6]

I just paid $98 for an inner, outer and 2 races at redbarncustoms.net. I was able to pick them up last night.

Woow, and i think of all of the hunderds of timken bearing sets i have sold for $65.00 a hub.

 

[bones1]

So the races are the same. One brg is wider than the other but they use the same race?.

 

[Seth_O]

So the races are the same. One brg is wider than the other but they use the same race?.

I just replaced a race today and was wondering myself what the difference is between the bearings that they have different part numbers but use the same race.

Also, I have read several posts on flipping hubs, and don't think I saw a single person mention how they moved their bearings as well? Obviously they are the same size (they use the same race) but there must be some reason one belongs on the inside and one on the outside?

 

[bones1]

On my truck, the outer bearing race is only worn in the center of the race and this is not correct. That made me think that someone before me had the bearings reversed because one is larger( thicker) than the other. The wear patterns just don't look right to me. There should be even wear across the width of the race to perform as intended.

 

[gringeltaube]

So the races are the same. One brg is wider than the other but they use the same race?.

YES

I just replaced a race today and was wondering myself what the difference is between the bearings that they have different part numbers but use the same race.
........................

Bearing cones #3994 and #392 have nothing in common, except maybe the material and that they can run on the same race or cup #3920, as well as about 20 other different bearings....!
(Find the ones mentioned in the Timken products catalog, pages B108 and B116, respectively)

On my truck, the outer bearing race is only worn in the center of the race and this is not correct......

You mean there should be a bearing cone with the same I.D. as the #392 (2.4375") but with rollers the same width as the #3994 has? Well, there simply isn't such...

G.

 

[area52]

Anybody got pictures of said bearings/races? I am trying to wrap my noodle around the same race/different bearing thing.

edit: never mind, I should have looked in the link Doghead posted, DUHHHHH!!!