Sankyo Oiles Industry SPB-304030 Sleeve Bushing
In small gears,S and R4-2RS run true, and a nice touch is the snug fit.
Sankyo Oiles Industry SPB-304030 Sleeve Bushing
If you look closely, you will find that the model 608-2z 608-zz is stamped clearly on the inner ring.
Sankyo Oiles Industry SPB-304030 Sleeve Bushing
If you like familiar, you will find that the Goobetter badge looks clean and sits proudly on the box.
Sankyo Oiles Industry SPB-304030 Sleeve Bushing
In the photos, you can see the model 608-2z 608-zz etched clearly on the outer shell.