Composite bearing (composite roller bearing) of several major parts:
1) the shaft head
Composite roller bearing installation is welded, the specific way is to put shaft head and a piece of plate welding with a circular hole, and then the door frame assembly;
2) the main roller
The main roller is the main bearer of composite roller bearing, mainly bear vertical load, request have strong resistance to wear Corrosion resistance and impact resistance.At the same time the main roller bearing used alone can also be a single direction, because it is itself a full roller of the structure of the roller bearing;
3) side roller
Side roller is secondary in composite roller bearing bearing, mainly carry horizontal load, also requires strong abrasion resistance Corrosion resistance and impact resistance.No inner ring side roller is essentially a full needle roller bearings, inside the composite roller bearing is through the spindle and the spindle head cooperate together;
4) plate
The primary side roller shaft head mounted together, as a whole;
Composite roller bearing assembly way:
Side roller through the spindle is installed inside the shaft head, main roller set on the outside of the shaft head, cover plate is at the end of the shaft head nut fixed, will eventually several parts together.
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