Lenze Locking Bush ETP CLASSIC 20MM, 20mm Shaft Diameter / 4776638

To select the correct bush and hub the external diameter of the outer hub should be sufficient to withstand the stresses exerted. To calculate the size, multiply the bush outside diameter by the relevant factor: Steel x 1.7, Cast Iron x 2.2, Aluminium x 2.7. If the selected hub diameter is greater than or equal to the calculated size, then the selected size is suitable. ETP Classic Locking Bushes. Unique hydraulic shaft to hub locking bush offering infinite radial and axial adjustment. Designed for frequent operations for very accurate mounting of gears, pulleys, sprockets etc. High concentricity and self-centering Fast, easy locking and un-locking with few pressure screws Automatic release when screws are loosened Ideal for applications with smaller diameter hubs H7-h7 hub bore and shaft tolerances Radial concentricity 0.04mm Temperature range -30 to +85°C, refer to technical dept. if ambient temperature is below 0°C