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Deck spindle, repair or replace?

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#1 dtsh OFFLINE  

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Posted May 24, 2017 - 06:56 PM

I have a zero turn mower with a 52" deck, an M&W LC 1890K, which I am very happy with.

Near as I can tell it is the same as a White FR-1800 and an Ingersoll G1890


The problem I have is one of the deck spindles broke and needs replacing. When we bought this (used) a few years ago, it came with a spare deck which had seen better days. I stripped the spindles and some other parts off of the old deck and sent it off to become new cars and soup cans, so I have spare spindles....just they're tired and could use rebuilding.


I would like to rebuild the salvaged spindles and swap them out, but it seems the bearing they use, apparently a SKF GRA014RRB, is nowhere near cheap at about $25 each. I don't mind spending the money, but if I can do this for less I'd like that even more. If it makes sense I don't mind spending more to upgrade the spindles to something better/newer/supported, so that's an option as well.


So I suppose there are several questions here...

... is there another bearing I should be looking at?

... should I just buy new spindles and upgrade the deck?

... if replacing spindles, with what replacement?


I'm a bearing noob, so some guidance is greatly appreciated.


Details as I have them on the bearing:

Construction: ADPTBRG

Inner Diameter: 0.875

Outer Diameter: 2.0472

Series: GRA-RRB

Basic Outer Ring Size: G205

Collar: S1014-K

Construction Type: ADPTBRG

E: 0.2950

G: 0.5480

H: 3/32

Inner Ring Width: 0.844

J: 1-1/2

K: 17/32

L: 0.1420

M: 1-7/32

Outer Ring Width: 0.591


As for the spindles, they are 4 bolt and the hole spacing appears to be 2-3/4". They stand 3-3/4" from the deck to the top of the blade.


Thanks in advance for your advice.


IMG_20170523_203505.jpg IMG_20170523_205040.jpg IMG_20170523_205021.jpg IMG_20170523_204933.jpg IMG_20170523_205103_1.jpg

Edited by dtsh, May 24, 2017 - 06:56 PM.

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#2 KennyP OFFLINE  



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Posted May 24, 2017 - 07:16 PM

Bet someone can interchange those bearings.

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#3 chieffan OFFLINE  

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Posted May 24, 2017 - 08:33 PM

Shop around for those bearings.  Bet you can find them a lot less expensive.  I had to buy 3 for a Kubota alternator.  NAPA wanted $22 each and only had 2.  Next day we had the bearings for $4 each. Don' know where the shop got them from.

#4 dodge trucker ONLINE  

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Posted May 24, 2017 - 10:17 PM

EPay... I just got 2 Fafnir bearings for the front PTO shaft on my Ariens for $25/pair when Motion Industries wanted $20/each.... these are a ball bearing with a cam-lock collar built in.  These were exact replacements but other sellers had them in Timken and (I believe) SKF brands...


also in another application, when I got my 2 post lift, the some of the rollers for the chain were stiff and would barely spin/ I checked with a lift parts company and they wanted over $50/each... as it turns put the bearing pressed out easily and was a very common bearing in industry and mechanical maintenance, as well as being the input bearing on late 60s Ford 4 speed trannys... I got all 14 bearings that I needed for $160/ I had to deal with 3 sellers because none individually had the quantity I needed by themselves... I could have spent even less if I were to settle for "no name" offshore garbage but I insisted on known name brand ones.

this lift takes 6 of these as chain rollers (with a sleeve pressed on the outer race) and 4 each in the column where the lift carriages ride within...

#5 dtsh OFFLINE  

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Posted May 25, 2017 - 12:13 PM

My searching for these bearings isn't turning up much promising in regard to finding them at a reasonable price and I am considering replacing the spindles with a Stens or Oregon unit, especially considering that in some of the cases, the replacement assemblies are around the same price as the bearings alone. Given, replacing the spindles will likely necessitate replacing my blades as well.


Part of the difficulty is that the outer race of the bearing has a groove to accept a large snapring which limits how far the bearing can be driven into the assembly.

The snaprings and groove can be seen in the images, though I admit I am unsure if it is even necessary.

#6 dtsh OFFLINE  

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Posted May 27, 2017 - 12:51 AM

After comparing my bearing with one at my local NAPA, it appears the part # I had is wrong so I'm back to square one with figuring out what bearing I need.