R720ZZY03 Miniature Shielded Bearing 2mmx7mmx3mm smsfc40uu 634-Z Deep groove ball bearings

634-Z Deep groove ball bearings single row Radial Bearing 4 mm ID x 16 mm OD x 5 mm Wide

Equal 60082RS

6202-2RS Full Ceramic Ball Bearing

or small electric motors

this one’s a solid choice

R720ZZY03 Miniature Shielded Bearing 2mmx7mmx3mm smsfc40uu 634-Z Deep groove ball bearingsR720ZZY03 Ball Bearing 2X7X3 One Bearing R720ZZY03 Ball Bearing, a standard bearing size with dimensions commonly used across many industries: 2mm X 7mm X 3mm. Made from high strength chrome steel for durability and performance Bearing has 2 Metal Shield to protect the bearing from dust or any possible contamination. R720ZZY03 Double Shielded Ball Bearing Size: 2mm X 7mm X 3mm Deep groove ball bearings Material: Chrome Steel Shield Double Metal