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682 mower deck spindle bearings


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trying to replace the bearings on my 44c mower deck but cant find the right part.  by the pics iv seen the part no. ih st745 looks correct but very expensive.  it comes as an assembly including the spindle shaft and bearings which is how mine came apart.  if I could get the old bearings off the spindle then maybe to just buy bearings, race and seals.  Has anyone ever done this?  do you know correct part numbers?  thanks

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Just did this on my deck. Went to Motion Industries and got the parts. 

2.    LM11910 cup 

2.    LM11949 cone

2.     12384 seal

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The bearings were a slip fit on the shaft. Came off really easy. Nothing wrong with the shaft so I used it again.  And there was a spacer between the two bearings. 

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striker782 sounds like I have something different because mine seems to be pressed together and ill likely destroy the bearings taking them off. I contacted motion industries and he was very helpful giving the measurements on the numbers you provided.  when I get my spindle shaft separated from the bearings I can measure it and get it taken care of.  thanks for the info, it should save me some money.

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Thanks striker782.  I ordered the same st745 shaft/bearing assembly as was on the deck originaly. Farmpartsstore.com had them for $87 a piece which was cheaper than buying the kit to convert them like diagram you sent.  Someone will probably update them years from now but it wont be me.

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St745 is a "water pump bearing " and only serviceable as a unit......or full spindle kit.....

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Mr. Plow that's interesting because over the many times that I typed st745 in for a search I never found anything about a water pump.  And the few dealers I spoke with on the phone didn't recognize the part number.  I'm second owner of the 682 and about 90% sure the deck bearings are original.  The deck was unused and off the tractor most of its life.  The spindles are free and have very little if any play but the bearings are pitted and I'm tired of the noise they make.  This small job has become an unexpected scavenger hunt for correct parts. And much more expensive than I thought it should be.  Higher quality ear protection may have been the way to go on this project.

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They weren't for a water pump necessarily,  but of that type.... sealed, non serviceable bearings......

They have been a Cub Cadet maintenance/repair sticking point for over 20 years. 

With the cyclops series, rough time frame,  (yellow decks) they switched back to the tapered roller bearings  ( the kit you can buy to retrofit older decks).

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Thanks for the info. I hope to have the deck back together and painted this weekend. I actually just got the ok from the "boss" the buy new rear tires as well. Told her it seems a shame not to replace them since I'm painting the rims too.  Plus its a safety thing because the old dry turf tread wont hold me on the slopes like new firestone bar tread.  I new that would get her since she has watched me slide the hillside every year for the last 30.

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  • 2 weeks later...

The ST745 waterpump bearing actually last a long, long, l-o-n-g time. I ran my 129 CC with 44C deck for 18 years, just gave each spindle 2-3 shots of grease before I mowed every time. My 50C has been a great deck too, UNTIL, the thing started stripping or streaking the yard, the shaft was loose in the the stamped steel bearing housing. Brass shim stock inside the housing tightened it up for one mowing.  I paid my friends at Carter & Gruenwald a visit. $178 including tax and and I had a new bearing, new top & bottom housing half, new woodruff key, old pulley was fine. Mower doesn't streak anymore.

What hurts is my buddy refurbished his 48 inch Deere deck, new bearings and seals for all 3 spindles, for $57. At his local Deere dealer.

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