500Pcs Glass Ball Boiling Stones – [3Mm] Soda Lime Glass for Valves Equipment
A nice touch is the BearingSteel construction, and you will find that it mates well with standard housings.
3mm Solid Round Clear Glass Ball Boiling Stones, 500pcs | Soda Lime Glass Beads
What stands out about these roller bearings is the simple unbranded look that keeps it basic.