The ferrule of the vibrating SKF bearing and the shaft or the seat hole require a certain transition fit or interference fit. When the interference size is SKF bearing under load, the mating surface of the SKF bearing ring on the shaft or the seat hole There is no "squirming" phenomenon on the principle.
First, let's talk about the SKF bearing vibration type. The inner and outer rings and rolling elements of the SKF bearing vibration type use vacuum degassing bearing steel, which has good fatigue resistance. Moreover, the cage is made of aluminum-iron-manganese bronze material, which has high strength, good elasticity and better wear resistance.
Second, let's look at the ordinary type of SKF bearings. SKF bearings are made of ordinary bearing steel for the inner and outer rings and rolling elements. There is also a cage made of zinc brass, which has low strength and poor elasticity.
So, how to choose SKF bearing vibration type or SKF bearing common type? The following three points are available for reference:
1 Fixed load, fixed load is characterized by a synthetic radial load vector and the ferrule is relatively stationary.
2 Rotating load, the characteristic of the rotating load is that the synthetic radial load vector rotates relative to the ferrule.
3 oscillating load and variable load, oscillating load is the load that is synthesized by rotating load much smaller than fixed load. The oscillating load means that the load applied to some ferrules may sometimes be a rotating load, sometimes a fixed load, and sometimes a oscillating load.
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