Inductive analysis of the use of NSK imported bearings

Source: China Bearing Network Time: 2017-11-08

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[1], standard constraints. Generally NSK imported bearings can be constrained by the space of the equipment. In most cases; the shaft diameter (or NSK inlet bearing inner diameter) is based on mechanical depiction or other depiction constraints. So NSK The selection of imported bearing types and standards is based on the inner diameter of NSK imported bearings. Therefore, the standard table of standard NSK bearings is based on the world standard inner diameter standard.
The standard method of standard NSK imported bearings is complicated; the most suitable standard NSK bearings are used in the description of mechanical equipment (this describes whether NSK imported bearings can be easily acquired; here is a topic; some imported NSK imported bearing catalogues There are indeed some types; however, some non-standard NSK bearings are not in stock in mainland China; some time-divided futures will be very long; so in the NSK import bearing selection, we must consider the time cost and the cost of the later replacement) NSK imported bearings; The load applied to the NSK imported bearings; its nature, size, and direction are variable. Generally; the extra root load is shown on the standard table, but the axial load and radial load, etc.; also select the appropriate NSK Important elements of imported bearings. When the ball and needle bearing standards are equal; needle bearings generally have a higher load and can accept large oscillation and shock loads.
[2], the speed; the allowable speed is based on the type of NSK imported bearings; standard; accuracy; cage type; load; smooth method; and cooling method and other factors are determined. NSK imported bearings listed on the standard accuracy NSK imported bearings in Allowable speed of oil smooth and smooth grease. General; deep groove ball bearings, active self-aligning ball bearings and cylindrical roller bearings are used in high-speed work.
[3], NSK imported bearings are public service; NSK imported bearings standard accuracy and rotation accuracy are based on ISO and JIS standards. For high-precision and high-speed working machinery; NSK imported bearings with 5 or higher accuracy; deep groove ball Bearings, radial thrust ball bearings or cylindrical roller bearings are used for high working precision machinery. Rigidity; when the NSK imported bearings are subjected to compression of the moving body and raceway contact surface; elastic deformation will occur. Some mechanical requirements will reduce the elastic deformation. To the minimum. The roller bearing has a smaller elastic deformation than the ball bearing. [4] In some cases, the NSK bearing should be preloaded to add rigidity. This procedure is generally used for deep groove ball NSK bearings, radial thrust. Ball bearing and tapered roller bearing inner and outer ring offset; shaft zigzag; shaft or NSK imported bearing box public service change; cooperation fault will lead to the inner and outer ring of the pain. To avoid excessive pain angle too large; active heart ball bearings; Active spherical roller bearings; or self-aligning bearing housing is the better choice. å—“ audio frequency and torque; moving NSK bearings are produced according to high-precision standards; so the voice and torque is small. Ball bearings, and cylindrical roller bearings combined on a low voice; low torque applications have unique needs.
[5], equipment and disassembly; some occasions are often disassembled and equipment; to ensure that they can be inspected and repaired according to their location. NSK bearings that can be separated from the equipment, such as: cylindrical bearings; needle bearings; Tapered bearings are very suitable for this occasion. The tapered self-aligning ball bearings and the active spherical roller bearings are assisted by the bushings; the same simplifies the equipment program.

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