OS 140 Replacement Bearings

[RSBXON at aol.com]

I have been able to acquire replacement bearings of a corrosion resistant 
steel (likely  stainless) which has shown excellent durability and longevity 
in my OS 140 EFI's.   They RED plastic seals on both sides of the bearing.   
This rear bearing is made by NTN  of Japan and has a part number:  6904 
LLU/2A

Over 300 flights and still smooth, no corrosion.     You might check your 
local supplier about these and see if they can get them.  These are really 
good bearings.

The standard OS front bearing seems to have unlimited life (have not had one 
to get rough yet) and is Part Number: 29431000 -- it has the red plastic 
seals on both sides as well.

Ron Barr
NSRCA 249
AMA 6507
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