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| | | | Joined: Nov 2008 Posts: 57 'Bolter | | 'Bolter Joined: Nov 2008 Posts: 57 | My '61 C20 is a daily driver. Blew (and I mean blew, one ball was cracked in half) a front wheel outer bearing when I ventured out an hour from home. Must have hit 40 plus websites looking for a National B47. Parent company (Federal Mogul) literally waiting for a ship to dock from Asia. The inner race bore is a really odd size (.9065") for any kind of interchange or even a swap to a roller bearing. Has anybody been through this, and what was your solution?
Ray
Virginia Beach
61 C20 (8 lug wheels) | | | | | Joined: Feb 2004 Posts: 29,836 Kettle Custodian (pot stirrer) | | Kettle Custodian (pot stirrer) Joined: Feb 2004 Posts: 29,836 | Anybody with a lathe and about three brain cells to rub together should be able to adapt a bearing with a slightly larger inside diameter to the spindle. Just machine a sleeve with a flange on it for the spindle nut to tighten against that will center the bearing on the spindle. A first-year machinist's apprentice would be able to turn out something as simple as that in a matter of minutes.
Jerry
"It is better to be silent and be thought a fool than to speak and eliminate all doubt!" - Abraham Lincoln
Cringe and wail in fear, Eloi- - - - -we Morlocks are on the hunt!
There is nothing noble in being superior to your fellow man; true nobility is being superior to your former self. - Ernest Hemingway
Love your enemies and drive 'em nuts!
| | | | | Joined: Apr 2005 Posts: 2,099 'Bolter | | 'Bolter Joined: Apr 2005 Posts: 2,099 | GM didn't reinvent the wheel when they built that truck. It's possible it uses the same hub/drum as a later model. I believe they went to Timken type bearings in 63. Have your parts store look up the later application. You also might even be able to find a used hub with bearings for a 63-66 at a wrecking yard.
Fred
1956 3100 Pickup/Red/350/3sp OD/PS/Disc Brakes
1957 Bel Air Sport Coupe/Red/355/TH350/PS/Disc Brakes
2017 Silverado LT Single Cab SB/Black/5.3/6 Speed Trans
1947 Willys CJ2A w/F-Head engine
| | | | | Joined: May 2018 Posts: 1 Moderated | | Moderated Joined: May 2018 Posts: 1 | Hello, I am curious how you you solved your bearing problem as I have the same issue with mr 1962 C40 using the same B47 bearing. | | | | | Joined: Nov 2008 Posts: 57 'Bolter | | 'Bolter Joined: Nov 2008 Posts: 57 | OMG. First I tried the route(s) Fred suggested. Where I live we don't have much ancient iron, but I called around anyway. No go. Also my local Napa insisted it didn't match anything else so I was kind of stumped. What worked was googling the original GM part number and seeing what popped up. An antique Buick parts dealer had one on the shelf for $70 or so. I snatched it and had in by the end of that week. National Bearings had some inbound on a ship from China at the time, but declined to sell me one right off the boat--and said it would be months before O'Reilly and the other parts stores had it. I think the one that failed was a Chinese copy because the ball holder thingy was some sort of plastic. The OEM is definitely metal. | | |
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