3 - 4170 Nylon grooved roller Diameter: 29mm Axle: 4.2mm

Nylon Grooved Roller for Doors and Windows The 3 - 4170 nylon grooved roller is a durable hardware component designed for smooth operation in sliding door and window systems. This precision-engineered roller features a grooved surface that ensures reliable tracking and reduces friction during repeated use. Specifications: - Diameter: 29mm - Axle: 4.2mm - Load capacity: 15kg Ideal for residential and commercial applications, this nylon roller combines strength with smooth performance. The grooved design helps maintain alignment and prevents derailment, making it a dependable choice for sliding mechanisms. The 15kg load rating supports standard door and window installations, while the compact 29mm diameter fits most track systems. Perfect for replacement or new installations, this roller delivers consistent, quiet operation over time. Choose this nylon grooved roller for reliable door and window hardware that performs when you need it most.