4mm ID x 12mm OD Flanged Ball Bearing (2 pack)
When used with 12mm center hole adaptors these bearings are compatible with any Actobotics component that utilizes the 0.770” hub pattern.
Simply slide our 12mm center hole adaptor onto these 12mm OD ball bearings and insert them into the large channel holes.
- Material: Stainless Steel
- Length: 4mm
- Inside Diameter: 4mm
- Outside Diameter: 12mm
- FlangeThickness: 1mm
- Flanged Diameter: 13.5mm