Unique Bargains 8 Pcs 604ZZ 4x12x4mm Double Metal Shield Single Row Deep Groove Ball Bearings Silver Tone

Features: Pre-lubricated, smooth and flat bearing surface, compact structure, with strong bearing capacity and dust-proof, long service time. Single-row design, suitable for high-speed, low friction, low-noise and low vibration, improve efficient and steady work. High temperature quenching forging, sturdy and durable in operation, these deep groove ball bearings combine radial and load at high speed. Mainly applicated on wheels for cars, bike, motorcycle, karts, lawn mower, skateboards, roller skate, tractor, trike, trolley etc. Package Includes: 8 Pcs Deep Groove Ball Bearings.