NSK Single Row Deep Groove Ball Bearings Single row deep groove ball bearings are the most representative structure of rolling bearings and are widely used. In addition to bearing radial load, it can also bear axial load in two directions. The friction torque is small, and it is most suitable for applications that require high-speed rotation, low noise, and low vibration. In addition to the open type, this kind of bearing also has a bearing with a steel plate dust cover, a bearing with a rubber seal ring, or a bearing with a stop ring on the outer diameter of the outer ring. Generally, steel stamping cages are used. For deep groove ball bearings, copper alloy car-made cages are used for large-size bearings. For high-speed rotation, a car-made cage is also used. NSK small and miniature ball bearings Miniature and instrument ball bearings are divided into two basic types: deep groove ball bearings and angular contact ball bearings. Deep groove ball bearings can be further divided into the following five types according to the detailed design: standard type, flanged outer ring type, wide inner ring type, extended type in which the radial thickness of the outer ring or inner ring is much larger than the width of ordinary bearings , Its inner and outer rings are very thin in the radial direction. Deep groove ball bearings can also be divided into 'open type', 'dust cover type' and 'sealed ring type' according to the form of sealing or dustproof. NSK Full Ball Bearings Full ball bearings can be filled with more balls than deep groove ball bearings due to the design of filling ports on the inner and outer rings. Because of the filling port, it is not suitable for applications with large axial loads. BL2 and BL3 bearings have the same main dimensions as 62 and 63 single row deep groove ball bearings. In addition to the open type, there is also a steel plate dust cover ZZ type. In addition, when using bearings, use the filling port position of the outer ring as a non-load ring as much as possible. The cage is a stamped cage. The inner ring groove of NSK magneto ball bearings is slightly shallower than that of deep groove ball bearings. The inner diameter of the outer ring on the side without ribs forms a cylindrical surface from the groove bottom of the outer ring. The outer ring can be separated, which is convenient for bearing installation. Usually, 2 bearings are used opposite to each other. This bearing is a small bearing with an inner diameter of 4-20mm. Mainly used in small generators, gyroscopes, measuring instruments, etc. Copper alloy stamping cages are generally used.
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