Fan bearing lubricant was Re: WD-40 (again)

John Robertson jrr at
Mon Apr 18 14:40:40 CDT 2016

On 04/17/2016 8:11 PM, Brent Hilpert wrote:
> 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.:
> 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.
I use a drop of synthetic motor oil on stuck fans, and tiny motors 
(P{hilips CDM series players) - works very well, no returns in ten years!

John :-#)#

John's Jukes Ltd. 2343 Main St., Vancouver, BC, Canada V5T 3C9
Call (604)872-5757 or Fax 872-2010 (Pinballs, Jukes, VideoGames)
"Old pinballers never die, they just flip out"

More information about the cctalk mailing list