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06-23-2020, 02:23 AM
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#1 |
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Registered User
Join Date: Oct 2015
Location: Warsaw, Poland, EU
Posts: 10
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Rear axle & wheel bearings ('72 C20)
Hi guys,
I have a '72 C20 (RWD) My mechanic told me that wheel bearings need to be replaced soon. Rockauto offers a variety of wheel bearings. Which ones shall i pick ? Judging by the cover my rear axle is Dana 60.
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'72 C20 '50 Plymouth Special |
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06-23-2020, 08:50 AM
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#2 |
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Registered User
Join Date: Jan 2013
Location: Eastern TN
Posts: 1,919
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Re: Rear axle & wheel bearings ('72 C20)
Timken, Skf, and Toyo are all pretty good usually. I have also used National with some success but wouldn't say they are as good as the other 3 brands. I have also used alot of FAG bearings on foreign cars.
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06-23-2020, 10:00 AM
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#3 |
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Registered User
Join Date: Jan 2013
Location: Calgary Alberta
Posts: 1,164
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Re: Rear axle & wheel bearings ('72 C20)
I would inspect the axle shafts first to see what the bearing running surface is like. If not perfectly smooth I would buy the repair bearing which extends the bearing outwards to run on an unused section of the axle.
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06-23-2020, 08:02 PM
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#4 |
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Senior Member
 
Join Date: Mar 2005
Location: Jurupa Valley, Ca
Posts: 1,209
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Re: Rear axle & wheel bearings ('72 C20)
If that is a Dana 60 (looks like it) and is a full floating axle then the bearings don't ride on the axle shafts. You can actually pull the shafts out and the wheel is still attached to the housing. Since it's a C20 I'm betting that's what he has.
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Terry 1970 Custom Camper/C20 , GM Crate 350/7004R, Dana 60, factory AC |
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06-23-2020, 08:18 PM
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#5 |
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Registered User
Join Date: Jan 2013
Location: Calgary Alberta
Posts: 1,164
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Re: Rear axle & wheel bearings ('72 C20)
My mistake.
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06-23-2020, 09:08 PM
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#6 |
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Registered User
Join Date: May 2012
Location: horseheads,ny rust belt
Posts: 2,794
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Re: Rear axle & wheel bearings ('72 C20)
oil bath bearings its so rare to need changed out i would ask just how he knows this for a FACT .
i have turned a wrench as a pro for 15 years and now as a hobby for 5+ more and i play with a lot of 3/4 and 1ton stuff and its real rare to swap them out . as said timken / koyo ( not toyo ) . there the top 2 these days still . and factory installed . and these oil bath wheel bearings dont get grease packed like the fronts do .
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77-k30lb BIG truck build . 87-k30lb budget beater build . 85-k30lb the plow machine build . 85-c10sb summer fun toy . ----------------------------- HOLLEY SNIPER efi = worst case of p.i.t.a i ever had . EDELBROCK pro flo 4 = best deal going so far . love my setup works great. |
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06-23-2020, 09:36 PM
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#7 |
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60-66 Nut
 Join Date: Mar 2007
Location: Coeur d'Alene, Idaho
Posts: 23,246
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Re: Rear axle & wheel bearings ('72 C20)
I agree with Timken or Koyo bearings. And don't forget you will need the seals too. CR and National are the seals I typically use.
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06-24-2020, 02:30 AM
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#8 |
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Registered User
Join Date: Oct 2015
Location: Warsaw, Poland, EU
Posts: 10
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Re: Rear axle & wheel bearings ('72 C20)
Tnx guys, i will pass the word to my mechanic :-)
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'72 C20 '50 Plymouth Special |
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06-24-2020, 11:30 PM
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#9 |
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Registered User
Join Date: Feb 2019
Location: Ozark, MO
Posts: 577
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Re: Rear axle & wheel bearings ('72 C20)
Timken first.
Koyo and SKF second. Drops way off after those three. I am a retired now but am a mechanical engineer who did technical procurement for John Deere. We were very picky on bearings at Deere and did a lot of testing of bearings. I would even recommend that you pay extra for the Timkens over the Koyos and SKFs if you have to do so. We did at Deere. |
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06-26-2020, 09:04 AM
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#10 | |
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Registered User
Join Date: Apr 2011
Location: Klein Texas
Posts: 3,852
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Re: Rear axle & wheel bearings ('72 C20)
Quote:
I do even though it will wash away in time.
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My Classics: '72 K20 Suburban + '65 Dodge Town Wagon '72 Corvette Roadster +'67 Corvette Roadster '73 Z-28 Camaro '63 Ford SWB Uni Pickup '50 Ford Coupe |
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06-26-2020, 12:39 PM
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#11 |
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Registered User
Join Date: Jan 2013
Location: Eastern TN
Posts: 1,919
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Re: Rear axle & wheel bearings ('72 C20)
It is supposed to be a light coating to protect them until the oil reaches the bearings.
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06-26-2020, 07:00 PM
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#12 | |
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Registered User
Join Date: May 2012
Location: horseheads,ny rust belt
Posts: 2,794
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Re: Rear axle & wheel bearings ('72 C20)
Quote:
or old trick a heavy truck tech showed me . jack 1 side way up let it sit for 10-15 min . then swap sides and do the same . then recheck the diff oil level . road test and check 1 last time and good to go . gear oil wont wash out the wheel bearing grease you will be packing them with .
__________________
77-k30lb BIG truck build . 87-k30lb budget beater build . 85-k30lb the plow machine build . 85-c10sb summer fun toy . ----------------------------- HOLLEY SNIPER efi = worst case of p.i.t.a i ever had . EDELBROCK pro flo 4 = best deal going so far . love my setup works great. |
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06-27-2020, 12:14 PM
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#13 |
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Registered User
Join Date: Apr 2011
Location: Klein Texas
Posts: 3,852
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Re: Rear axle & wheel bearings ('72 C20)
Y'all can do it however you like. I'll follow the engineers at GM
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My Classics: '72 K20 Suburban + '65 Dodge Town Wagon '72 Corvette Roadster +'67 Corvette Roadster '73 Z-28 Camaro '63 Ford SWB Uni Pickup '50 Ford Coupe |
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