My snowcaster needs some TLC

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Eugen Canada
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My snowcaster needs some TLC

Post by Eugen »

Pulling out the auger revealed on one side the wrong bearing type and on the other a very worn off bearing.


F9552DB1-4180-4BAC-A93A-8839AC526040.jpeg

Clearly new bearings are needed. A package arrived yesterday with these inside


0B98A51A-6AB7-4F7A-8AAB-A98E8AB48960.jpeg

I've been following the snowcaster mod thread. Much as I'd like to modify the chain tension mechanism as you guys suggested, a project like that can't be accommodated at the moment. :45:
Case 224, 444, 644, 680E
Kubota B26 :blush:
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Re: My snowcaster needs some TLC

Post by Eugen »

I must say, Case Ingersoll using all these non-standard bearings reminds me of Apple and their proprietary connection ports over the years. :D Don't shoot! :fight:
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Re: My snowcaster needs some TLC

Post by DavidBarkey »

JD is worse.
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Re: My snowcaster needs some TLC

Post by Eugen »

Had a little time the other day and thought I go install the new bearings.


8350F689-9CF0-4FA0-BE87-7CAC6266CB13.jpeg


Oops! My bearing shrank?! When I had another look around I found out that these bearings need a sleeve! The bearings that don't need the sleeve are the RX-84! :headbash: ok fine, let's not panic. Unfortunately, one sleeve costs around $70US, plus shipping and brokerage. How's that for fun? :35:

Thought I might as well order the RX-84 and call it a day. But then the nice Fafnir 204KRR2 that I got are just wasted, and that bothers me. On top of that the one vendor that I wanted to get the RX-84 from does not carry them.

Plan B. Turn a sleeve on the lathe. Hm.. but I don't have pipe or rod stock that size: 2-1/8 OD and 1.86" ID. Then I thought, why don't I use the outer race of the old bearing. All I need is to take some material off the interior side. You should see the sparks flying on the lathe. That bearing race is hardened :usa: steel!

Fine! What does :canada: to soften :usa: steel?


8249EB63-13B9-4CE0-BCD4-5C9F2284DD30.jpeg


Yep. That bearing race was a pleasure to bring to size on the lathe after it got cold.


000C0D42-2665-4F97-8C92-11F6D043DE09.jpeg


Problem solved.
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Kubota B26 :blush:
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Re: My snowcaster needs some TLC

Post by DavidBarkey »

Eugen wrote: Fri Oct 22, 2021 11:20 pm Had a little time the other day and thought I go install the new bearings.



8350F689-9CF0-4FA0-BE87-7CAC6266CB13.jpeg



Oops! My bearing shrank?! When I had another look around I found out that these bearings need a sleeve! The bearings that don't need the sleeve are the RX-84! :headbash: ok fine, let's not panic. Unfortunately, one sleeve costs around $70US, plus shipping and brokerage. How's that for fun? :35:

Thought I might as well order the RX-84 and call it a day. But then the nice Fafnir 204KRR2 that I got are just wasted, and that bothers me. On top of that the one vendor that I wanted to get the RX-84 from does not carry them.

Plan B. Turn a sleeve on the lathe. Hm.. but I don't have pipe or rod stock that size: 2-1/8 OD and 1.86" ID. Then I thought, why don't I use the outer race of the old bearing. All I need is to take some material off the interior side. You should see the sparks flying on the lathe. That bearing race is hardened :usa: steel!

Fine! What does :canada: to soften :usa: steel?



8249EB63-13B9-4CE0-BCD4-5C9F2284DD30.jpeg



Yep. That bearing race was a pleasure to bring to size on the lathe after it got cold.



000C0D42-2665-4F97-8C92-11F6D043DE09.jpeg



Problem solved.
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Re: My snowcaster needs some TLC

Post by Eugen »

It seem that both Dave and I are doing a snow caster refresh/rebuild. Mine is functional with the old bearings but loud like crazy. From the little investigation I did so far, it seems that these are the bearings for my old (70s) snow caster.

Auger bearing: type RX84.

Screen Shot 2021-12-15 at 10.07.48 PM.png

This bearing is also known as:
ZORO: G3800161
Roberts: RX68
Case: C29265
Case: C29264
Airens: 054111

DIMENSIONS:
BORE: 11/16" Hex
O.D. Outside Flange of 2.25" and Outside of Bearing Surface of 2.125"
IR Width: 0.80"
OR Width: 0.625"

One can also use the Fafnir 204KRR2 bearings with 47mm OD, but it needs a sleeve because the auger ID is about 54mm.


Jackshaft bearings. Seems to me the original have the Fafnir 42LST flangettes, indicating a bearing with 42mm OD. I could not find any bearing like that. It also seems that this kit is what our Case parts vendors are selling to replace the original. The kit seems to have the 47MST flangettes, which are (surprise! :O ) housing a 47mm bearing, the SA204-12. Here's the link to one of the vendors kit, which even includes instructions on how to "make the hole bigger!" :D cool :cool:

https://www.caseingersollparts.com/stor ... SHAFT.html

Here are dimensions for something like this from a different online source.


Screen Shot 2021-12-15 at 10.20.40 PM.png

It's the line for 3/4 ID that we're interested in. Shows it's using the 47MST flangette/housing. And the SB204-12 bearing. Don't know the difference between the SA204-12 and SB204-12 bearings.
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Re: My snowcaster needs some TLC

Post by DavidBarkey »

the difference between the SA204-12 and SB204-12

is the SA has locking collar and SB has set screws . The same number with a C in front of it is cylindrical not self aligning.


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Re: My snowcaster needs some TLC

Post by Eugen »

Thanks @DavidBarkey , but I don't get what locking collar is. I think set screws are just a couple of screws that fixes the collar to the shaft.
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Re: My snowcaster needs some TLC

Post by DavidBarkey »

Eugen wrote: Thu Dec 16, 2021 7:42 am Thanks @DavidBarkey , but I don't get what locking collar is. I think set screws are just a couple of screws that fixes the collar to the shaft.

<img src="http://news.bearingnet.net/wp-content/u ... stic-4.jpg" alt="PTI fantastic 4"/>
image.png
image.png
The four most common types and how the work .

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Re: My snowcaster needs some TLC

Post by Eugen »

Never mind, I found examples of locking collar bearings. They lock with a mechanism that isn't as likely to damage the shaft like set screws.
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