| Matched bearing set question [message #87512] |
Sun, 06 June 2010 10:57  |
idrob
Messages: 645
Registered: January 2005
Location: Central Idaho
Karma:
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Senior Member |
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Ken H posted this comment on the current bearing question:
"IMHO, you've been very lucky that those bearings have not failed; they were
very ineptly installed according to all I've read, heard, and experienced
over the past 12 years. To have mixed the components of different bearing
sets in that manner is unconscionable.
No doubt in my mind whatsoever that I'd install new Timken A23 sets, making
sure the spacers were engraved "0.0095". Any other choice is, IMHO, "penny
wise and pound foolish"."
I have always thought that bearings came in sets, and the sets were somehow "matched" at the factory when made. However recently I was replacing the wheel bearings on my Utility Trailer and when I went to get them at NAPA, they asked if I wanted both the cones and the cups. I replied I wanted a full matched set and they looked up the numbers and came out with cones in one box and cups in another. No "set" anymore. Mix and match.
Is this common now? What, if anything, is done to make a "matched set" that we used to get? Has manufacturing changed so the it is not necessary to "match" any more? Or am I just seeing the general lack of quality in many parts where inexpensive beats precision? Anyone know?
Rob Allen
former owner of '76 x-PB
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