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NN type: inner ring with edge guard, outer ring without edge guard.
The outer ring and inner assembly can be installed separately, without limiting the axial displacement of the shaft or shell, and cannot bear the axial load. Compared with the single row cylindrical roller bearing with the same radial size, it can bear the larger radial load.
Compact structure, less deformation under load, especially suitable for supporting machine spindle.NN...
Type K: The structure is the same as that of type NN, except that the inner hole of the bearing is conical, which is convenient to adjust the radial clearance of the bearing slightly, and also easy to assemble and disassemble.
This type of bearing is mostly used in the spindle of machine tools. It is mounted on the cone shaft and the radial clearance is adjusted by the amount of pressure in the inner ring.
Type NNU, NNU...
Type K: Outer ring with edge, inner ring without edge.
There are two kinds of cylindrical hole and tapered hole.
It does not limit the axial displacement of the shaft or shell and cannot bear the axial load. Compared with the single row cylindrical roller bearing with the same radial size, it can bear the larger radial load.
NNCF type: inner ring with three side guards and outer ring with one side guard. It can be used for axial positioning in one direction.
The outer ring is provided with a fixed ring on the other side of the retaining edge to keep the bearing as a whole.
NNCL type: the inner ring has three edges, the outer ring has no edge, and the two sides are provided with stopping rings to form a non-separating bearing.
NNCS type: the inner ring has three edges, the outer ring has no edge, and a middle lock ring is provided in the middle of the outer ring, making it a non-separable bearing.
It allows certain axial displacement between the shaft and the bearing seat and can be used as a free end bearing.
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Wafangdian Quanhua Bearing Manufacturing Co.,Ltd.
Tel:0411-85367788
Add:Yuan bao Industrial Zone B ,TaiYang wafangdian, P. R. China
Email:sales@zqzbearing.cn
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