Fits Milwaukee Fuel Angle Grinder Armature Bearing M18CAG115 CAG125 XPDB (No52)

Replacement Bearing Fits MILWAUKEE M18 Grinder

This is for item 52 on the diagram

If your grinder is making a lot of noise, it's possible that you need to replace the bearings on the armature. 

Fits Models include:

M18 CAG115
M18 CAG115X
M18 CAG115XPD
M18 CAG115XPDB

M18 CAG125XPD
M18 CAG125X

M18 FAP
M18 FAP1800

M18 FPM0X