623ZZ Deep Groove Ball Bearings 9.5mm x 3mm x 4mm Silver Tone

Product Features
Product Name: Deep groove ball bearings;
Side: metal; outer diameter: 9.5 mm / 0.37 inch
Inner diameter: 3mm / 0.12 "Thickness: 4mm / 0.16"
Color: silver, weight: 7G
Package Contents: 5 deep groove ball bearings
product description
These seals are special, low-carbon, non-removable plates embedded in the outer race of the bearing to prevent rough dirt or chips from contaminating the bearings. Suitable for skate wheels, in-line wheels, casters, pedal wheels, there are some requirements in the dust track.