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BUSY BOLTERS Are you one?  The Shop Area
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Jul 21st, 2025 | | | | Joined: Feb 2004 Posts: 28,674 Kettle Custodian (pot stirrer) | | Kettle Custodian (pot stirrer) Joined: Feb 2004 Posts: 28,674 | I was using those bearings at least 25 years ago, so they're not new. As one of the posters on that site mentioned, they're a good option on passenger cars or Cowboy Cadillacs that never get a load in the bed. By moving the bearing surface inboard on the axle (increasing the leverage) and having a stress point built in by the worn spot on the axle, there's a risk of breaking the axle off at the wear groove if a heavy load is encountered. Trust me on this- - - -a wheel and tire assembly crammed up into your nice bodywork after the axle breaks off is not something that will make your restoration job look good!
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: Mar 2010 Posts: 843 Shop Shark | | Shop Shark Joined: Mar 2010 Posts: 843 | Jerry, of the ones you installed how did they work out?
Ray
| | | | | Joined: Feb 2004 Posts: 28,674 Kettle Custodian (pot stirrer) | | Kettle Custodian (pot stirrer) Joined: Feb 2004 Posts: 28,674 | I used them only on passenger cars, with no problems. The modified bearing assembly moves the load-carrying surface inboard the length of the bearing rollers, putting the load onto an unworn part of the axle shaft. Other than increasing the leverage of the axle flange in relation to the weight-bearing part of the axle, nothing changes. Since most of my truck-owner customers were using their 1/2-ton rigs in a somewhat overloaded condition, when an axle got a bearing wear groove we just replaced it with a new one. I tinkered with the idea of setting axles up in a big lathe and reducing the diameter of the bearing area about 1/8", then pressing a sleeve over the area and regrinding to original diameter, but I never got set up to do it. With CNC equipment and a good supply of core axles, I still think it would be a commercial success. Of course, the days of lots of vehicles with rear drive axles is kind or long gone now!
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: 2,832 'Bolter | | 'Bolter Joined: Apr 2005 Posts: 2,832 | Bet it would have worked. Have turned down and put sleeves on many a Ford that the end of the axle tube was also the bearing race. I think Mac's, Snyder's, and others still offer these "repair sleeves".
Evan
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