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. Specification: Model: 6804-2RS Material: Bearing Steel, Rubber Seal Type: Double Rubber Shield Inner Diameter: 20mm / 0.79" Outer Diameter: 32mm / 1.26" Width: 7mm / 0.28" Static Load Rating: 2.2kN Dynamic Load Rating: 3.5kN Package Includes: 2 Pcs Deep Groove Ball Bearings