The EGW28-E40-Z INA is a bushing. Bushings have a very simple, one-piece cylindrical design without rolling elements. Instead, they have a sliding contact where the shaft slides into the bore. This construction makes these bushings a cost-effective and reliable solution. Additionally, they are easy to install and require little installation space. The direct contact between the bushing and the shaft results in greater friction between the surfaces. Compared to roller bearings, they have lower speed and load capacities. Bushings are primarily used for rotating, oscillating, and linear movements.
The EGW28-E40-Z INA features a maintenance-free PTFE sliding contact. PTFE is a special plastic. During the initial running-in period of the bushing, particles from the PTFE sliding layer are transferred to the opposing mating surface. This fills in small imperfections, creating a smooth surface. Thanks to this maintenance-free sliding contact, the bushing does not need to be lubricated at any point during its entire lifespan.
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