CNBTR 4PCS U-Type Pulley Wheel 0.31X1.77X0.45inches U Groove Bearing for Doors and Windows with Steel Bearings 8mm Shaft Hole 45mm

Features

• Premium-quality Material: These U-shaped plastic-coated bearing pulleys are fabricated from top-grade materials, guaranteeing robustness and long-term reliable performance.
• Exact Dimensions: outside diameter 45mm/1.77in; height 11.5mm/0.45in; Shaft hole diameter: 8mm/0.31in.The pulley window wheels are too small in size.Please check carefully the size before purchasing.
• Groove Size: width 6mm/0.24in; depth 3mm/0.12in; R=3mm/0.12in. Bearing Model 608ZZ.The pulley sliding door clamping wheel are precisely engineered to provide a seamless fit in a wide range of applications.
• Smooth and Efficient Operation: The expertly designed bearing ensures effortless and smooth movement, minimizing friction and energy consumption.Ideal for replacement roller of sliding window, door, printer machine etc.
• Black Finish: The black coating imparts a sophisticated and contemporary appearance, making them adaptable to various styles and environments.The package contains 4 pulleys, fulfilling your diverse requirements in multiple projects.