Installing wheel bearings - inner spacer question

Started by klammer76, January 15, 2017, 11:06:25 AM

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klammer76

Good afternoon all,

Question about the inner wheel bearing spacer. I have the Heartland wheel bearing tools. I am installing wheel bearing in a set of 2002 wagon wheels that I have just received. Rear wheel installation, know to install right (rotor side) first then the left (drive side), flipped the installer to flat side once bearing cleared bore lip. Have some old removed bearings and did a test fit all good (chrome wheels). Question is; should the inner spacer spin with the bearings with NO load? The spacer spins and moves both bearings with a small amount of pressure on left bearing ( finger in bearing, push to right, inner spacer & both bearings spin). No preload and spacer and opposite bearing don't spin. Is that correct? No side play in the inner sleeve/spacer but will move just enough to allow axle to be straight. If I shake the wheel I can hear a slight rattle of the spacer. With pilot flipped to flat side, bearing will not go any further.
once the axle is installed and nut tightened both will spin. Is this all good. Bearings spin smooth.

Thanks,
klammer

Coyote


sfmichael

Colorado Springs, CO.


rbabos

Measure from bottom of one bearing bore to the other bearing bore with an accurate method. Spacer length should be slightly over this. Say about .010 or so.
Ron

PoorUB

#5
Ron, the inner space just has to be longer than the distance between the counter bores. On my 2010 Ultra the spacer was probably 3/8" or so longer than the distance between the counter bores.

Some guys get caught up on the spacer length being critical, like it was with tapered bearings, it just needs to be longer, it can not be too long, within reason.

In a perfect world I would like to see the spacer just a few thousanths longer to make sure the bearings can not walk very far if they do.
I am an adult?? When did that happen, and how do I make it stop?!

klammer76

Quote from: rbabos on January 15, 2017, 03:06:31 PM
Measure from bottom of one bearing bore to the other bearing bore with an accurate method. Spacer length should be slightly over this. Say about .010 or so.
Ron
Rear spacer measures +.013. Front spacer measures +.008. All good.

klammer

barny7655

one bearing is always sent home in the wheel hub the other will seat out a fraction so the spacers on the wheel are right and do the job ,different bike models have some times different side that the bearing has to seat on that side ,some times marked on the hub, it centres the disc rotor side to the caliper, cheers
riding since 62, BSA bantum the first bike