Axle Carrier question - Yamaha Raptor Forum
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post #1 of 32 (permalink) Old 03-21-2018, 03:44 PM Thread Starter
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Axle Carrier question

I am getting ready to replace my rear axle with a new Lonestar unit. I wanted to freshen up the carrier bearings at the same time so rather than pound out the old and in with the new I decided to just buy an entire carrier with new twin row bearings. Seems like a quality piece but I have a question about the inner spacer, it has a seam weld going right down the middle of it. The stock carrier spacer does not have any seam. It looks like the axle won't contact this piece so it is probably fine but just wanted to check with a few of you guru's first.


06' 700 SE
-Pro Taper-
-Elka-
-GT Thunder-
-Alba-
-Lonestar-
-Streamline-
-PC5-
-Pro Design-
-HMF-
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post #2 of 32 (permalink) Old 03-21-2018, 04:05 PM
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I've replaced mine (axle) few days ago. It is narrower in the middle so the contact point is only on the bearings. If the inner dimensions are the same as the old one (and they probably are) you'll be fine.

2016 Raptor 700R, Street legal, HID kit, 15T front, AIS delete, Jogaca suspension, Adjustable rear link, LSR 2+1 A-Arms, Axcalibar axle, PC5 w/timing and autotune, full Dasa exhaust, Talon 36T rear or stock 38T
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post #3 of 32 (permalink) Old 03-21-2018, 04:46 PM
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I don’t even run the spacer.

2015 700Rse
Fci, PC5F/I, monster exhaust, +2 Cuervo head, HDD5150, 54mm throttle body, 105.5 14:1, +8 swingarm.
08 yfz450se
Sparks big core, k&n no lid, yz needle, yz timing mod, +4 swingarm.
“Peepshow”
Cuervo 870, lectron, msd, monster megs, single a-arm lightened chasis, +14 swingarm.
”Monarchy”
Cuervo 930, lectron, msd, db fab titanium chasis.
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post #4 of 32 (permalink) Old 03-21-2018, 06:47 PM
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Quote:
Originally Posted by t web2007 View Post
I don’t even run the spacer.
The spacer is to support the inner races from the pressure of the sprocket and brake hubs when the axle nut is torqued to max. The chances of the bearings coming apart is probable, unless you are using tapered roller bearings.
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2007 RAPTOR 700, SAND QUAD, 11:1 CP, +5 HR CRANK, PC3, +2 TB, LONE STAR XC +1, +1 A-ARMS, HD TIE RODS, JOGACA REAR SHOCK, ASV LEVERS, +4 REAR AXLE, DR.D REVERSE, ODI GRIPS, 1 1/8 CARBON BARS, DG BUMPER. BILLET: GAS CAP, BRAKE COVER, THROTTLE LEVER, BAR MOUNTS. LED LIGHTS'
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post #5 of 32 (permalink) Old 03-22-2018, 12:01 AM
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Quote:
Originally Posted by t web2007 View Post
I don’t even run the spacer.
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Originally Posted by DEZPERADO View Post
The spacer is to support the inner races from the pressure of the sprocket and brake hubs when the axle nut is torqued to max. The chances of the bearings coming apart is probable, unless you are using tapered roller bearings.
Exactly. The sprocket hub and brake hub they both "push" towards the centre and they sit on the inner ring of a bearing. Here comes the spacer into play to resist those forces and to prevent damage to bearings. Without the spacer all the force from the axle nut is transferred 50/50 to inner side of both bearings. It shortens the lifespan and increases the chance of a more catastrophic bearing fail. I wouldn't dare to run without it.

You probably heard "for every action there is an equal and opposite reaction ". Even with tapered roller bearing you transfer force to the carrier instead to spacer and another bearing. There is more force that carrier has to deal with and since it is aluminium, with time it might cause warping or cause the bearing to become louse in the carrier. Either way its not good.
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2016 Raptor 700R, Street legal, HID kit, 15T front, AIS delete, Jogaca suspension, Adjustable rear link, LSR 2+1 A-Arms, Axcalibar axle, PC5 w/timing and autotune, full Dasa exhaust, Talon 36T rear or stock 38T

Last edited by BlackSupra; 03-22-2018 at 12:15 AM.
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post #6 of 32 (permalink) Old 03-22-2018, 06:10 AM Thread Starter
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Thanks Fellas. Will grease up and install today after work with the axle.
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06' 700 SE
-Pro Taper-
-Elka-
-GT Thunder-
-Alba-
-Lonestar-
-Streamline-
-PC5-
-Pro Design-
-HMF-
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post #7 of 32 (permalink) Old 03-22-2018, 01:28 PM
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Quote:
Originally Posted by BlackSupra View Post
Exactly. The sprocket hub and brake hub they both "push" towards the centre and they sit on the inner ring of a bearing. Here comes the spacer into play to resist those forces and to prevent damage to bearings. Without the spacer all the force from the axle nut is transferred 50/50 to inner side of both bearings. It shortens the lifespan and increases the chance of a more catastrophic bearing fail. I wouldn't dare to run without it.

You probably heard "for every action there is an equal and opposite reaction ". Even with tapered roller bearing you transfer force to the carrier instead to spacer and another bearing. There is more force that carrier has to deal with and since it is aluminium, with time it might cause warping or cause the bearing to become louse in the carrier. Either way its not good.
There is no nut on my axle. Just pinch bolts and keyways.

2015 700Rse
Fci, PC5F/I, monster exhaust, +2 Cuervo head, HDD5150, 54mm throttle body, 105.5 14:1, +8 swingarm.
08 yfz450se
Sparks big core, k&n no lid, yz needle, yz timing mod, +4 swingarm.
“Peepshow”
Cuervo 870, lectron, msd, monster megs, single a-arm lightened chasis, +14 swingarm.
”Monarchy”
Cuervo 930, lectron, msd, db fab titanium chasis.
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post #8 of 32 (permalink) Old 03-22-2018, 02:03 PM
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Quote:
Originally Posted by t web2007 View Post
Quote:
Originally Posted by BlackSupra View Post
Exactly. The sprocket hub and brake hub they both "push" towards the centre and they sit on the inner ring of a bearing. Here comes the spacer into play to resist those forces and to prevent damage to bearings. Without the spacer all the force from the axle nut is transferred 50/50 to inner side of both bearings. It shortens the lifespan and increases the chance of a more catastrophic bearing fail. I wouldn't dare to run without it.

You probably heard "for every action there is an equal and opposite reaction ". Even with tapered roller bearing you transfer force to the carrier instead to spacer and another bearing. There is more force that carrier has to deal with and since it is aluminium, with time it might cause warping or cause the bearing to become louse in the carrier. Either way its not good.
There is no nut on my axle. Just pinch bolts and keyways.
Can we say JJ&A? Probably don't even run seals too! Chugging some MR12 straight drag or hill shooter I bet.
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post #9 of 32 (permalink) Old 03-22-2018, 03:41 PM
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Originally Posted by mcclelland32 View Post
Can we say JJ&A? Probably don't even run seals too! Chugging some MR12 straight drag or hill shooter I bet.
Shh...can’t be giving out all those neat little tricks.
Gonna put one on duner soon as well. Just a super nice axle. I was wondering if guys were having bearing issues in a dune/play application, but haven’t found much.

2015 700Rse
Fci, PC5F/I, monster exhaust, +2 Cuervo head, HDD5150, 54mm throttle body, 105.5 14:1, +8 swingarm.
08 yfz450se
Sparks big core, k&n no lid, yz needle, yz timing mod, +4 swingarm.
“Peepshow”
Cuervo 870, lectron, msd, monster megs, single a-arm lightened chasis, +14 swingarm.
”Monarchy”
Cuervo 930, lectron, msd, db fab titanium chasis.
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post #10 of 32 (permalink) Old 12-31-2018, 01:42 PM Thread Starter
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Update. eBay Bearing Carrier $hit the bed. I think I can salvage my Lonestar axle.
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