32mm Black Rolling Sliding Glass Door Ball Bearings For Balcony ODM Product Overview High-performance 32mm black rolling ball bearings designed for smooth sliding glass door operation in balcony applications. Manufactured with precision engineering for durability and silent operation. Technical Specifications Attribute Value Material Carbon steel bearing with nylon/POM wheel Load Capacity 30kg Color Black Size 47.5mm Installation Wall mounted Warranty 1 Year Key Features Deep
