Re: Oil for sintered bearings
Usually for small Oilite-type bearings in things like record-player motors and car windscreen-wiper motors the bearings are 'self aligning' by virtue of the oilite bush being some form of sphere/egg-shape which fits into a hemispherical housing and is retained by some kind of spring-mechanism (a pressed spring-steel washer being common) so the spherical bush can 'settle' into its hemispherical housing and take up the correct axial alignment.
Only time I've ever known this fail is when the grease has hardened and actually stuck the bush into its housing so it can't realign itself after maintenance has been undertaken on the motor. 50-year-old grease can be terribly retentive!
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