.Bearing Set (S530058 / S643233 / S633398) - M20 MAIN

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  • .Bearing Set (S530058/S643233/S633398) - M20 MAIN
  • .Bearing Set (S530058/S643233/S633398) - M20 MAIN
MSRP: $575.25
FBO Price: $358.52
— You save $216.73
Frequently bought together:


Bearing Set (S530058/S643233/S633398) - M20 MAIN, Thrust Washers ARE NOT Included

Stock Level is low, Please call Mike with questions at 1-800-826-9252.


These 0.020 under bearings fit A65 through 0200 engines.  They could be A4 (with locating dowel), A5 (with locating notch), or A6 (with offset tabs).  Your case may require modification to use this bearing set. The flange bearing is removed per the STC. Please advise our Sales Dept. of your crank case set up.  Our sales staff will assist you in determining which one of the three style thrust-washers is right for your engine.

A4 style (with locating dowel) uses (2) A36074 and (2) 36075 thrust-washers 

A5 style (with locating notch) uses (4) 35552 thrust-washers 

A6 style (with offset tabs) uses (4) 633141 thrust-washers 

Some crankshaft/crankcase combinations use the 627246 (or earlier part number 40237) front main bearing, which has integral flanges. Front main bearings of this type are available in standard and M10 only. They are not available in M20

pdf-file1.png PMA Supplement:  O-200 Bearing, Rod, Main

Engine Applications:

  • A65
  • A75
  • C75
  • C85
  • C90
  • O-200







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Disclaimer: While reasonable efforts have been made to ensure all information on this website is accurate, Aircraft Specialties Services does not assume responsibility for any errors or omissions. All specifications, illustrations, data and prices are subject to change without notice. Applications and interchangeability information depicted on this website is strictly for reference only. Installers must consult the engine/airframe IPC for the manufacturer’s approved data. All prices "each" unless specified. Images represent attributes, not quantity. Application information is provided for reference only. Make sure to refer to the applicable airframe/engine manufacturer's manual for exact application information.