IYSHOUGONG 10 Pcs/Set Metal 606ZZ Miniature Deep Groove Shielded Ball Bearings Skateboard Bearings

Amazon.com Price: $3.88 (as of 24/03/2021 01:51 PST- Details)

Material: Metal.
Size: Inner Diameter: 6mm (0.23″)/Outer Diameter: 17mm (0.66″)/Thickness: 6mm (0.23″).
Suitable for small motors, household applications, conveying field, etc.