[NSRCA-discussion] O.S. 120AX Bearing

[John Pavlick]

The OS 140Rx has the same rear bearing as the 120Ax. Buy the one for the Fuel Injected 140Rx or just use one that has 2 seals (not "shields") like the 140 Rx F.I. bearing. This should last a long time.

John Pavlick
http://www.idseng.com
  ----- Original Message ----- 
  From: Bob Wilson 
  To: General pattern discussion 
  Sent: Monday, September 01, 2008 11:19 PM
  Subject: [NSRCA-discussion] O.S. 120AX Bearing


  Seems to me I've read some threads about the O.S.120AX rear bearing being junk.

  We'll I can verify it.  The 120AX on my Venus II practice/backup airplane has been sounding real funky and today it was really bad.  I tore it apart, and sure enough, the bearing is trashed.  Looks like O.S. didn't harden it correctly.

  I will try to replace with a bearing from local supplier, but did I read somewhere that a bearing to a larger O.S. engine  will also fit?

  bw


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