17 Apr
2016
17 Apr
'16
8:11 p.m.
On 2016-Apr-17, at 7:28 PM, Noel Chiappa wrote:
Nope, the cylindrical (outer part of the) bearing is a
plain cylinder. But
looking at it closely, it's probably not copper, so it might be that Oilite
stuff.
Online images do give a fair idea of the appearance of the surface texture and colour of
oilite / porous bronze bearings.
It can generally be readily distinguished from 'pure solid' metal.
e.g.:
http://www.google.ca/search?q=oilite&client=safari&rls=en&prmd=…
I've removed such bearing fittings often enough from equipment for random stock but
don't recall whether or not I've seen them in box/muffin fans.
I'd guess that grease may be a poor idea for oilite at least inasmuch as once there is
grease in the pores the material will probably never again function the way it was
supposed to with oil.