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What Hub Is This? (Disc Brake Upgrade on Spirit) |
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Scrappy 
AMC Nut 
Joined: Jun/26/2019 Location: Alpharetta, GA Status: Offline Points: 255 |
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 Topic: What Hub Is This? (Disc Brake Upgrade on Spirit)Posted: May/13/2021 at 8:29am |
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Y'all, I'm installing longer studs on the hubs and since the age of the grease is unknown, I'd like to do a full cleanout & re-pack, but don't want to do so until I have new seals on hand. The issue is that I don't know what hubs these are. There are no markings on the seals.   EDIT: A little birdie told me these are likely rotors with the "hat" machined off, which looks like a valid suggestion. Any concurrence or different thoughts on this? Thanks in advance, Scrappy Edited by Scrappy - May/13/2021 at 8:41am |
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Goodtimes
AMC Apprentice 
Joined: Oct/27/2020 Location: Wisconsin Status: Offline Points: 124 |
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Posted: May/13/2021 at 8:49am |
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Seal manufactures like National have online catalogs with dimensions and styles, there Tech service can also be very helpful.
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69 AMX 290 4spd leather
68 AMX 390 A/T 70 front |
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akimmet
AMC Nut
Joined: Aug/02/2012 Location: Republic OH Status: Offline Points: 428 |
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Posted: May/13/2021 at 3:48pm |
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From you picture, I agree that your hub probably began life as a disc brake rotor. I suspect that AMC only used one seal part number for each bearing
size. So you may only need to find out what bearings you have, and match it up with an AMC car that used the same front wheel bearings.
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Trader
AMC Addicted
Joined: May/15/2018 Location: Ontario Status: Offline Points: 6880 |
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Posted: May/13/2021 at 3:57pm |
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Looks a lot like a trailer hub:
My 69 Javelin takes the same front wheel bearings as my old cargo trailer.
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Scrappy
AMC Nut
Joined: Jun/26/2019 Location: Alpharetta, GA Status: Offline Points: 255 |
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Posted: May/13/2021 at 5:38pm |
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Thanks for the input, Y'all!
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farna
Supporter of TheAMCForum 
Moderator Lost Dealership Project Joined: Jul/08/2007 Location: South Carolina Status: Offline Points: 19676 |
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Posted: May/14/2021 at 6:43am |
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All AMC spindles are the same dimensions EXCEPT the 75-78 models. Those used a bigger bearing -- all others, disc and drum brakes, 58-83, use the same dimensions on the spindles, so the seals should be the same also. At least the inside diameter will be the same, outside most likely is but could vary. Seals are cheap enough -- order a set for say a 80 Concord and see if they fit.
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Frank Swygert
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Scrappy
AMC Nut
Joined: Jun/26/2019 Location: Alpharetta, GA Status: Offline Points: 255 |
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Posted: May/14/2021 at 6:52am |
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Thanks, Frank -- that's great info.
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tomj
AMC Addicted
Joined: Jan/27/2010 Location: earth Status: Offline Points: 7544 |
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Posted: May/14/2021 at 11:17pm |
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What Frank sez -- nearly all AMC from wheel (hub, rotor) seals, early 50's til the end, are National 7022S. Disc and drum! Bearings are SET2 and SET6. Except those funny "big bearing" cars.
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1960 Rambler Super two-door wagon, OHV auto
1961 Roadster American, 195.6 OHV, T5 http://www.ramblerLore.com |
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