6921NR Deep Groove Ball Bearings 105X145X20Mm P0 Open Type Lubricated Bearings 1 Pc Car Scooter Skateboard Wheel Universal Silver Tone

Product Characteristics: 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, 3D prints, snow blowers etc. Specification: Outer Diameter: 145mm / 5.71" Inner Diameter: 105mm / 4.13" Width: 20mm / 0.79" Color: Silver Tone Type: 6921NR Precision Level: P0 Basic Load Ratings (kN): Cr: 42.5 C0r:42 Limiting Speeds(min-1): 5300 Material:Bearing SteelPackage included:1 Pc Deep Groove Ball BearingsNote:Please confirm the model number and dimension before buying, thanks!