100 608- Rolling Bearing: Single Line 608-, small size: 8x22x7 mm, 608 bearings, skateboard bearings. 6082RS bearings: 100%chromium steel, 6082RS rolling bead bearing bearing coefficient, high speed limit, simple structure, low manufacturing cost, and easy to achieve high manufacturing accuracy. Rubber seal deep grooves: Rubber sealing () on both sides, the sealing effect is good, which can prevent lubricants from entering and pollutants. 100 packs 608- skateboard bearing: 608- miniature rolling bearing design is used for low maintenance and , and has good sealing. Pearl Bearing 608. It is widely used in industries such as precision instruments, miniature motors, skateboarding, 3D printers, motors, , roller rolors, rolled axis and direct - skating shoes, direct ice shoes, long skateboarding, street -free sleds and skateboarding. Colour:As Shown Material:Metal Package Contents: 100 x Bearings Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.