Wanted - Craftsman sprocket & bearing assembly - Snowblower Forum : Snow Blower Forums
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post #1 of 13 Old 03-30-2015, 10:39 PM Thread Starter
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Wanted - Craftsman sprocket & bearing assembly

I am looking to purchase a wheel drive sprocket and bearing assembly for a 1983 Craftsman snow blower Model # 536.918800. The specific part number is 50542. It sits on the fixed cross shaft and has two sprockets on it, one holds the chain from the transmission output shaft, and the other is smaller and holds the chain that goes to the sprocket on the wheel drive axle.

As an alternative, I would buy the whole back half of a machine that contained this part.

Thanks,

Peter C.
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post #2 of 13 Old 03-31-2015, 11:22 AM
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Welcome to SBF Peter!

Have you looked into purchasing a keyed shaft with the proper length & diameter & the appropriately sized sprockets?


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post #3 of 13 Old 03-31-2015, 02:39 PM Thread Starter
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Thanks Classiccat

Thanks Classiccat. Hadn't thought of that idea.
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post #4 of 13 Old 03-31-2015, 02:47 PM
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Quote:
Originally Posted by pchalpin View Post
Thanks Classiccat. Hadn't thought of that idea.
I had to do something similar in my '72 Sears (signature).

top: original drive-shaft/sprocket
bottom: swapped the belt pulley and added a larger drive sprocket


Note, the shaft rides in a bearing. I don't think that keyway would be kind to a bushing.


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post #5 of 13 Old 04-01-2015, 02:10 PM Thread Starter
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nice

Wow, that's a great looking piece. Turns out I can't do that because the stationary sprocket/bearing assembly shaft is part of the transmission mount system. I'll just keep looking, after all, winter is over, right?
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post #6 of 13 Old 04-01-2015, 06:26 PM
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You have a cluster assembly similar to the one in my three stage. It rides on the shaft with bronze bushing inserts.
If you find one or make one I suggest you drill and install a grease zerk in the tube between the two gears. I did that to mine so once a year I can hit it with a grease guy. It's just a little thing to make it work smoother and last longer.
You might still be able to make one out of two sprockets and a chunk of pipe.
Getting one out of a junk machine would be much easier though.
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Make sure the windows are up before the snow plow goes by !!

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post #7 of 13 Old 04-02-2015, 09:14 AM Thread Starter
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That's the piece ......................... and I'm on a mission to find one. Or maybe I'll try to fab one as you suggest.
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post #8 of 13 Old 04-02-2015, 11:56 AM
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Quote:
Originally Posted by pchalpin View Post
I am looking to purchase a wheel drive sprocket and bearing assembly for a 1983 Craftsman snow blower Model # 536.918800. The specific part number is 50542. It sits on the fixed cross shaft and has two sprockets on it, one holds the chain from the transmission output shaft, and the other is smaller and holds the chain that goes to the sprocket on the wheel drive axle.

As an alternative, I would buy the whole back half of a machine that contained this part.

Thanks,

Peter C.
Peter,
I have some newer back half's. if you want to take a look before I send them to scrap.
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post #9 of 13 Old 04-04-2015, 11:34 AM Thread Starter
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AriensProMike

Thanks Mike. I sure would like to look at anything you have. Would you prefer to email pics? or post here?

Peter
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post #10 of 13 Old 04-18-2015, 10:55 PM
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Not 100% sure this is the part you need, but do you happen to know if it is 12/28 tooth sprockets, 13/16" between, with 3/4" bushings?
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