Otis Blu-ray Elevator Traction Sheave DAA20220B4, 400mm 4/5/6 Groove 10mm Rope Permanent Magnet Gearless Traction Wheel

Original OEM replacement traction sheave for Blu-ray Otis permanent magnet gearless elevator main machine, part number DAA20220B4. Premium high-strength cast iron construction, precision CNC grooved, factory dynamic balance tested. Low vibration, ultra low noise, minimal wire rope wear, long working lifespan. Standard 400mm diameter, 10mm rope size, available in 4/5/6 grooves. 1:1 original dimension, perfect fit, direct quick replacement for old/broken sheaves. Suitable for elevator maintenance, modernization and bulk project renewal. Factory direct wholesale, full sizes in stock, worldwide fast delivery.