100 Pcs 608-2RS Ball Bearing: Single row 608-2rs with small dimensions: 8x22x7 mm, 608 bearings, skateboard bearings | 608 2RS Bearings: 100% Chrome steel，608 2RS ball bearings has small friction coefficient, high speed limit, simple structure, low manufacturing cost and easy to achieve high manufacturing precision | Rubber Sealed Deep Groove: Both sides with seals made of rubber (2RS) for high sealing effect, to keep lubricant in and contaminants out | 100 Pack 608-2rs Skateboard Bearing: 608-2rs miniature ball bearing designed for low maintenance and long life, has a good sealing. ball bearing 608 | Widely used in precision instruments, micro motor, Skateboard, 3D printer, motors, fidget spinner, roller & inline skate ，inline skates, long skateboard, street luge, and scooters etc industries