Re: Crushed roller bearing?

Posted by txblu on September 03, 2004 at 05:51:48 from (199.46.199.230):

In Reply to: Crushed roller bearing? posted by Coloken on September 02, 2004 at 20:13:38:

I think a bearing is made from a preselected metallic powder which is placed in a mold and a piston (press) comes down on it and literally smashes it into molecular attachment.

Really tough, but brittle.

I have hammered on bearings and races before and they take pounding for a time then yield by desintegrating. That tells me that a constant load is not a failure mechanism for the bearings mentioned; shock load is.

So where is the source of the shock? I doubt that the shock of a tire on pavement is adequate.

My 18 wheeler experience with high loads for long periods on roller bearings is a graying and dulling of the surface with slight pitting. If heat is included, due to inadequate lubrication, then there is some purpling of the medal.

My 2c.

Mark

Follow Ups:

• Re: Crushed roller bearing? Coloken 06:33:05 09/03/04 (2)
  • Re: Crushed roller bearing? txblu 10:02:43 09/03/04 (1)
    • Re: Crushed roller bearing? txblu 10:04:53 09/03/04 (0)

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