[TheForge] Re: Timken Case Hardening

[David E. Smucker]

Read it again Andy, he says axle bearing.  I assume Ron cut the outer race 
of the bearing and openned it up and then made the knife from that.

Dave
----- Original Message ----- 
From: "Andrew Vida" <osan at netlabs.net>
To: <munlaw2 at hcsmail.com>; "Sponsored by ABANA" <theforge at mailman.qth.net>
Sent: Thursday, March 20, 2008 8:19 PM
Subject: Re: [TheForge] Re: Timken Case Hardening


> 52100 for an axle?  That seems a mite odd.
>
> Ron Childers wrote:
>> Some years ago I made a big knife out of an old axel bearing from a semi. 
>> I
>> was told it was 52100 and I tempered in oil. It chopped through a 2x4 and
>> would still shave, so it must have been pretty good steel. Also made some
>> smaller blades out of car axel bearings and big ball bearings; same 
>> story. It must have been dumb luck that the bearings weren't Timpkin. 
>> Which
>> manufacturers use 52100 for their bearings? Machinery's Handbook must 
>> have
>> contacted Monmoth, Fag, or some other company for their information on
>> bearing steels.
>>
>> Ron C
>>
>>
>>
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> -- 
>
> -Andy V.
>
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