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Old 08-21-2013, 04:25 PM
nielsorj nielsorj is offline
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Join Date: Oct 2004
Location: topeka, ks
Posts: 9
Deck Spindle Bearings

I have a 2006 Super Z with the 72" XR7 Deck. I recently replaced the spindle bearings, using Fafnir RA100RR bearings. I didn't notice it before replacing the bearings but in looking at the bearings, the side of the bearing that does NOT protrude has an inner race that looks to have an even wall thickness all around where the protruding side of the bearing has a very uneven wall thickness, varying from .085" to .155" This makes the bearing's inner race on one side to look 'out of round', but that is only on the outside of the inner race, not in the center of the inner race. One could say that it was 'cam shaped'.

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Is there anything about the installation of this bearing on the spindles that needs to be addressed?
Old 08-21-2013, 04:38 PM
hustlermidwest hustlermidwest is offline
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Join Date: Sep 2012
Location: Chicago, Ill
Posts: 636
The cam look to the bearing is for a locking collar when used elsewhere.

Brian O
Old 08-21-2013, 07:12 PM
Sharpcut 1's Avatar
Sharpcut 1 Sharpcut 1 is offline
LawnSite Senior Member
Join Date: Sep 2006
Location: Roseville, MI
Posts: 450
What Brian said.

Just make sure the protruding end faces out.

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