Transfer Bearing Ball is used for conveying, especially suitable for turning or diverging parts of conveying systems. It allows items to move easily in a horizontal direction. Features: Flexible rolling; enables plates, material bins, or other objects to glide smoothly. Reduces labor intensity for workers. Can be arranged in various distribution densities based on different load requirements. Easy to install. Suitable for use in electronics, hardware, mechanical, chemical, food, forestry, mining, book handling, supermarket, rubber, and similar industries. Widely used in transmission systems, processing systems, processing machinery, and packaging machinery auxiliary equipment. Specifications: Housing Material: Iron Surface Treatment: Zinc plating Rolling Ball Material: Nickel Plated Steel Load Capacity: 15kg Mounting Hole Diameter: 4mm / 0.15" Hole Spacing: 40mm / 1.57" Ball Diameter: 15mm / 0.59" Dimensions: 48 x 32 x 20mm / 1.88 x 1.25 x 0.78" Quantity: 5 pieces Weight: 200g (approx.) Package Includes: 5 x Transfer Bearing Balls Note: 1. For proper installation, ensure the steel ball is positioned upward. Installing in reverse may cause the ball to become stuck. 2. Please allow 1-3mm error due to manual measurement. Thank you for your understanding.