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09-29-2013, 04:24 PM
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#1
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Senior Member
Join Date: Mar 2003
Posts: 240
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New bearing job - do races go too?
I am about to replace my fiver's bearings after about 20K miles. Three years ago I replaced the bearings and the races too. The races appear perfect still. Do I need to replace them too? Iam using the exact same bearings as 3 years ago.(Timkens). Also used Timken races last change.
All advice and experiences welcome.
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2004.5 Dodge Ram 5.9L Cummins HO, Auto QC 4WD SRW LWB....2004 HitchHiker II LS, 30.5 RLBG, Dbl Slide....2005 Sandpiper Sport 19ft T21 toyhauler
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09-29-2013, 04:32 PM
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#2
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Senior Member
Join Date: Nov 2010
Posts: 2,415
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absolutely. they have a wear pattern with the old bearings so you need both new.
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09-29-2013, 04:33 PM
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#3
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Senior Member
Join Date: Sep 2012
Posts: 4,232
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If you replace bearings, might as well replace races. Already in there.
But, why replace them? Just clean, repack properly, adjust brakes (replace if necessary), and reinstall and test.
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09-29-2013, 04:42 PM
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#4
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Senior Member
Join Date: Apr 2011
Location: Powell River, B.C.
Posts: 31,486
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Quote:
Originally Posted by laj
absolutely. they have a wear pattern with the old bearings so you need both new.
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X2, Last time I needed any ; you couldn't by a brg alone , came as a set brg and race. New on new is the way to go.
But as in the other post , if this is a maintenance servicing of the brgs then a repack after inspection with new seals, is the way it's done most times. Any wear on the rollers transfers to the race, clean everything up, and check for wear , don't mix the brgs to another race . 
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99DSDP 3884, Freightliner, XC, CAT 3126B, 300 HP /ALLISON 3060
2000 Caravan toad, Remco & Blue Ox.
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09-29-2013, 07:23 PM
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#5
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Moderator Emeritus
Ford Super Duty Owner
Join Date: Aug 2000
Location: Bryan, TX when not traveling.
Posts: 22,948
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A properly greased and assembled wheel bearings should last well beyond 20,000 miles.
Ken
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Amateur Radio Operator (KE5DFR)|No Longer Full-Time! - 2023 Cougar 22MLS toted by 2022 F150, 3.5L EcoBoost Tow Max FX4 Lariat Travel with one Standard Schnauzer and one small Timneh African Gray Parrot, retired mechanical engineer
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09-29-2013, 07:36 PM
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#6
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Senior Member
Newmar Owners Club Freightliner Owners Club
Join Date: Mar 2012
Location: Weston, Fl.
Posts: 916
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Quote:
Originally Posted by TXiceman
A properly greased and assembled wheel bearings should last well beyond 20,000 miles.
Ken
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I agree. I would clean, inspect and repack them. No need to replace unless the bearings and race are scored, damaged. overheated and such...
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2003 Newmar Kountry Star 3905, Freightliner XC chassis with CAT 330. Winnie the black lab, pretty Airbus captain wife, retired airline pilot with 11 grandkids. UH-1 pilot (Huey) U.S. Army 1967-1983. RVN 68-69. Northern Idaho my summer home.
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09-29-2013, 07:55 PM
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#7
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Senior Member
iRV2 No Limits Club
Join Date: Nov 2010
Posts: 1,324
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There are different grades of bearings. I replaced the made in China with those not, SKF, used Amsoil synthetic grease and will not touch it for years other than to adjust the brakes.
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09-29-2013, 08:02 PM
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#8
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Senior Member
Join Date: Mar 2011
Location: Headed to the next race track.
Posts: 187
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They should be changed as a set. The race is the cheapest piece anyway.
I carry two complete sets, bearings, races, seals, washer, nut and locks in my clown closet. If it goes wrong on the road, it goes very bad. I figure the odds of either one entire axle or one side going is pretty slim.
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2006 Monaco 40' PDQ
25' Haulmark V-nose enclosed car trailer.
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09-30-2013, 02:20 PM
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#9
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Senior Member
Newmar Owners Club
Join Date: Dec 2011
Posts: 7,406
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I didn't know you could buy a bearing with out the race. I never did for sure.
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2014 Fleetwood Storm 32H "The Dream Catcher"sold  * THOUSAND TRAILS * *US ARMY 1965-1967 * Disabled Vietnam Veteran 1966-1967 * Life Member VFW *
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09-30-2013, 10:13 PM
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#10
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Senior Member
Join Date: Aug 2011
Location: lancaster CA
Posts: 614
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WHY???? 5r bearings should last 200,000 miles. I clean and lube with synthetic grease every 40,000 along with a thorough brake and spring inspection. 30 yrs a fleet manager.
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2001 dodge 2500 auto, with billet Mojave Green torque converter with 2nd gear lockup mod, raptor 100 fuel transfer pump and gauges. RV275 injectors
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10-02-2013, 07:18 AM
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#11
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Junior Member
Join Date: May 2012
Posts: 14
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Quote:
Originally Posted by TXiceman
A properly greased and assembled wheel bearings should last well beyond 20,000 miles.
Ken
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x 2
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10-02-2013, 01:36 PM
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#12
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Senior Member
Join Date: Mar 2011
Location: Headed to the next race track.
Posts: 187
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I get it.. If he wants to change bearing so be it. His question was not if, but if on the races.
It's predictive maintenance.
[large fleet manager 32 years]
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2006 Monaco 40' PDQ
25' Haulmark V-nose enclosed car trailer.
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