Bearing of pedal
The bearing on the outside(away from the crank) of the pedal, with and without the self-locking nut. It is a non-sealed ball-bearing assembly, with what apears to be grease
Crank end of pedal
The inside of the threaded shaft of the pedal, showing an internal hex fitting
The full view
The Look pedals, from top and bottom
Thread markings
The markings on the threaded end of the pedal shaft, showing that this is the left(Gauche) pedal, and needs a 9/16x20 thread.