Zinc Plated Steel Sheaves with Sealed Ball Bearings (Model No. 163K)Steel Rope Pulleys with Sealed Ball Bearings (Model No. 163K) Zinc plated steel rope pulleys with turned groove machining and sealed ball bearings, ensuring durability and smooth operation. Specifications: Pulley Capacity: 100 kg to 4000 kg Pulley Diameter: 50 mm to 300 mm Material: Zinc plated steel sheaves Lead Times (if not in stock): Diameters up to 150 mm: Approximately 3 to 4 weeks from order date Diameters 200 mm and above: Approximately 12