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Classification of the use of imported bearings
Source: China Bearing Network Time: 2014-06-26
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The variety of imported bearings is complicated; if you want to choose the right bearings, you should know the characteristics of each bearing according to the conditions of use.
The top; most of the bearings used for high-speed rotation: deep groove ball bearings, touch ball bearings, cylindrical roller bearings are all types of bearings that can be used to mechanical speed. However, the limit speed of bearings depends not only on the bearing type; load conditions, bearing dimensions, The cage type, accuracy level and smoothing method also have a great influence. Therefore, when selecting, these elements should be considered.
Second; bearing types with required rotation accuracy: deep groove ball bearings, touch ball bearings, cylindrical roller bearings, such as bearings with rotational precision; primary for machine tool spindles, gas turbines and handling machines; such requirements require high rotational accuracy, high Speed ​​and low-conflict equipment; this is a bearing with a precision of 5 or higher.
Third; the bearing that supports the bevel/centering angle; the sequential increment is: cylindrical roller bearing, tapered roller bearing, deep groove ball bearing, angular touch ball bearing, spherical roller bearing, self-aligning ball bearing analysis bearing The inner ring and the outer ring are relatively skewed; and the bearing type that can be used to this element is selected. If the inner ring and the outer ring are relatively skewed, the bearing will be damaged by the internal load; therefore, the above should be accepted. This type of skewed bearing.
Fourth; general angular touch ball bearings and tapered roller bearings; can be pre-tightened to improve the rigidity of the bearing; these types of bearing steel functions are satisfactory for the mechanical rigidity of the mechanical shafting. Most machine tool spindles and automotive final speed reduction equipment Other parts; together in the steel of the progressive shaft; must also improve the rigidity of the bearing. Other; the roller bearing receives the load deformation is smaller than the ball bearing.
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