Unique Bargains 6921NR Deep Groove Ball Bearings 105x145x20mm P0 Open Type Lubricated Bearings 1 Pc Car Scooter Skateboard Wheel Universal Silver Tone

Application: Mainly applicated on wheels for cars, bikes, motorcycles, karts, lawn mowers, skateboards, roller skates, tractors, 3D prints, snow blower etc. Design: Single-row design, suitable for high-speed, low friction, low-noise and low vibration, improve efficient and steady work. Specification: Outer Diameter: 145mm / 5.71", Inner Diameter: 105mm / 4.13", Width: 20mm / 0.79", Type: 6921NR, Precision Level: P0, Basic Load Ratings (kN): Cr: 42.5 C0r:42, Limiting Speeds(min-1): 5300 Product Characteristics: Pre-lubricated, smooth and flat bearing surface, compact structure, with strong bearing capacity and dust-proof, long service time. Feature: Our ball bearing provide stable performance with quenching process, just press these low friction bearing evenly to prevent the bearing from tilting or skewing. They support both radial and axially loads under high speed.