deep groove ball bearing 639

The 639 bearing is a miniature deep groove ball bearing with an inner diameter of 9mm and an outer diameter of 30mm and a thickness of 10mm. It can be used for: Drills, air conditioning pumps, bending machines, die temperature machines, grinders, mixing equipment, lab-installed plastic, blister packing machine, machine, machine tool shim, vibration plates, screw chillers, welding wire machines, steel-making equipment, shearing machine, condiment processing equipment, road machinery, peristaltic pump, material testing machine, multi-function packaging machine, etc

Deep groove ball bearings are the most commonly used rolling bearings. Its structure is simple and easy to use. It is mainly used to bear radial load, but when the radial clearance of the bearing is increased, it has a certain performance of angular contact ball bearing and can bear the combined diameter and axial load. When the speed is higher and it is not suitable to use thrust ball bearings, it can also be used to bear pure axial load. Compared with other types of bearings of the same size as deep groove ball bearings, the friction coefficient of this kind of bearing is small and the limit speed is high. But not impact-resistant, and not suitable for heavy loads. After being mounted on the shaft, the axial displacement of the shaft or the housing in both directions can be limited within the axial clearance range of the bearing, so the axial positioning can be made in both directions. In addition, this kind of bearing also has a specific aligning ability, when the Angle is 2 '~ 10' relative to the shell hole, it can still work normally, but it has a particular impact on the bearing life.

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