This is the most popular size bearing to fit skateboard wheels, inline wheels, caster wheels, scooter wheels, and also some hvac and industrial demands. The bearing size is 608 and has 2 metal shields. The Shields are specially configured low carbon non-removable steel plates, staked into the outer ring of the bearing to provide protection against coarse dirt or chips from contaminating the bearing. The bearings are self lubricated and come already greased. ITEM SPECIFICS: Item: 1000 Bearings. Size: 608-ZZ deep groove ball bearing. Size(inch): 0.3149" x .8661" x 0.2755". Lubrication: Self Lubricated (Already Greased). Shields: 2 Metal. Limiting Speed: 34000. Inner Diameter: 8mm. Outer Diameter: 22mm. Width: 7mm. Approximate Weight (1Pc): 0.018lbs.
