
684 Light Unique Waterproof Plastic Nylon Pulley/Sheave with High Stability Ball Bearing Size 4*12*4mm. Customized Color Options: Available in original, black, white, red, green, orange, or per customer requirement. Diverse Material Selection: Bearings made of chrome steel, carbon steel, or stainless steel; plastic parts from POM, Nylon, or PU. Advanced Surface Treatment: Options include zinc plated, nickel plated, black treatment, painting, or electrophoretic treatment. Low Noise Operation: Features heavy-duty design with smooth sliding and low noise for long life. OEM and ODM Services: Technical drawing or sample required for custom manufacturing of size and features. Stable Quality Assurance: Pre-production samples and final inspections ensure consistent performance. Versatile Application: Ideal for sliding windows, doors, furniture accessories, and industrial drive systems. Customized Packaging: Packaging can be tailored to customer requirements including foil bags and cartons.