4 Pcs 623ZZ 3x10x4mm Double 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, bikes, motorcycles, karts, lawn mowers, skateboards, roller skates, tractors, trikes, trolleys, etc. Package Includes: 4 Pcs Deep Groove Ball Bearings.