At 01:32 PM 7/27/2010 Tuesday, Shawn Wright wrote:
>I did manage a measurement with my caliper depth gauge - the old
>ones are about 0.4mm larger than the new. I didn't calculate the
>overall size, but this doesn't seem like a lot of wear.

According to Bentley 46.6 the starting inside diameter is 252 mm and
the maximum permitted diameter after machining is 253 mm.  The
maximum permitted diameter after wear is 253.5 mm.  They say to use
oversize linings after machining 0.5 mm or more.

Yrs,
d