Commercial U Groove Sliding Door Pulley Wheel Bearing Roller Rust Proof High-performance sliding door pulley with ball bearing mechanism, designed for smooth and silent operation with a 30kg load capacity. Constructed with durable materials for long-lasting performance in residential and commercial applications. Technical Specifications Attribute Value Material Carbon steel bearing with nylon/PP/PA/POM wheel Durability Long-lasting construction Load Capacity 30kg Usage
