Otis Bluemax Gearless Permanent Magnet Elevator Traction Sheave DAA20220AJ, 400mm 3/4/5/6 Groove 10mm Wire Rope Wheel

Premium OEM replacement traction sheave, engineered for Otis Bluemax permanent magnet gearless elevator traction machines. Forged from high-grade wear-resistant ductile cast iron, with precision CNC grooving and factory standard dynamic balance calibration. Delivers ultra-smooth, low-vibration, quiet operation, greatly reduces wire rope wear and extends overall service lifespan. Complete size lineup available, 100% original dimensional accuracy for perfect direct fit. No on-site modification required for quick, hassle-free installation and replacement. Ideal for elevator routine maintenance, modernization and bulk project retrofit. Factory direct supply, strict quality inspection, fast worldwide delivery and competitive wholesale pricing.