2pcs Mute sound wear-resistant 4x12x4x13.5mm F604ZZ Flanged ball bearing
This is a 4x12x4x13.5mm Flanged ball bearing, also known as F604ZZ deep groove ball micro bearing. This is a thin-walled ball micro bearing high-speed wear-resistant silent Flanged ball bearing. Very suitable for any application that requires 4x12x4x13.5mm Flanged ball bearing.