Medusa Bearing Replacements

[sikeston34m]

I've got some really good service from my 36-70-2000kv.

Recently being ran in an E Revo geared 14/52 on 6S. Incredible Power!

It was pulled out to try another setup, when I noticed it didn't feel right while spinning it by hand.

After running it at low rpm, it's clear that it has a bad bearing.

The bearings are 5x13x4mm in size.

How well would these work as replacements?

http://www3.towerhobbies.com/cgi-bin...?&I=LXFKK6&P=7

Any suggestions would be appreciated.