Catalogue number: 4-4WH-BN Features: ●Even if the hanging bolt is tilted, the axle moves flexibly, and all four wheels always receive an equal load. ●Commercially available bearings are used for the bearing section inside the body. Applications: ●For hanging doors. Specifications: ●Product name: Bearing double wheel flexible type ●Compatible rail: No. 4 ●Load capacity (kg/piece): 150 ●A (mm): 64 ●B (mm): 43.5 ●D (mm): 75 ●K (mm): 77 ●L (inch): W5/8 ●Durability standard: 70,000 m (rated load at room temperature) Materials/Finish: ●Main body: Steel ●Door roller: Cast iron
