General description YMYNY Suitcase Caster is a heavy-duty replacement caster designed for luggage, suitcases, backpacks, and travel bags. These 50mm mute rubber universal swivel wheels provide a smooth and quiet rolling experience, making them an ideal choice for travelers seeking durability and reliability. Technical specifications Wheel diameter: 50mm Thickness: 18mm Axle length: 36mm Bearing inner diameter: 21mm Inner diameter: 6mm Load capacity: Up to 51 kg per suitcase Installation Simple installation without professional instructions. Ensure the tightness of the wheel for optimal performance. Usage Ideal for replacing worn-out suitcase wheels. Easy to clean; wheels can be removed for thorough cleaning. Before purchasing, measure the original wheel's outer diameter, groove width, screw length, and bearing bore diameter for compatibility.