Magneto type bearing used on the commutator end of E3AR, E3AS, E3B, E3BS, E3D, E3E, E3ES & E3MD dynamos p/n 189284.
Superior brass bearing cage.
Magneto bearings, also used in dynamos and vintage electric motors consist of a deep groove ball bearing inner ring and an outer ring with only a single shoulder that allows the inner race to be easily installed to the outer race.
They are ideally suited to low load, high speed applications and are often used in a pair, with the open sides of the races facing each other.
Sale is for one bearing.