[Qty.8] 88506 Agricultural Equipment Ball Bearing [30mm ID x 62mm OD x 16mm W]
The QJZ brand sits right on the edge, which is a nice touch for identification.
[Qty.10] 88506 Agricultural Equipment Ball Bearing [30mm ID x 62mm OD x 16mm W]
You can see the QJZ brand on the side, and it gives the part a solid look.