Flat Nylon Ball Bearing - 20mm White Plastic Tire for sliding doors & windows

Combined White plastic tire with a 20mm Outer diameter ball bearing.

• Plastic pulley Tire combined with a steel ball bearing
• Door & Window Rollers
• Standard: Metric
• Size: M6x20x15mm
• Length of Thread : 3mm
• Length : 4mm
• Width : 15m
• Quantity : 1 Bearing