1. The roller and the raceway are in line contact or repaired line contact, and the radial load can be large, and is used for receiving heavy load and impact load. The friction coefficient is small, suitable for high speed, and the limit speed is close to the deep groove ball bearing.
2, can be moved axially, can adapt to the relative position of the shaft and the shell caused by thermal expansion or device error, can be used as a free end support.
3. The machining requirements for the shaft or the seat hole are relatively high. The relative deflection of the outer ring axis of the NSK bearing device should be strictly controlled to avoid contact stress concentration.
4, the inner ring or the outer ring can be separated, easy to install and disassemble.
5, steel stamping adhere to the frame, for high-speed bearings or imported bearings that require smooth operation, then use the entity to adhere to the frame. Depending on the application site and user requirements, it is also possible to design and supply a glass fiber reinforced plastic holder.
Second, the rolling mill bearing NSK bearing protection, overhaul and abnormal disposal:
1. In order to maintain the original function of the bearing in a superior form for a long time, it is necessary to protect, repair, and prevent the disorder, ensure the reliability of operation, and improve the productivity and economy.
2, the protection of the best in response to the premise of the mechanical operation of the homework specifications, on schedule. The content includes the observation of the operation mode, the addition or replacement of the smoothing agent, and the introspection on schedule.
3. As a maintenance item in operation, there are torsion sound, vibration, temperature, and the form of smoothing agent of NSK bearings in Japan.
Http://news.chinawj.com.cn Editor: (Hardware Business Network Information Center) http://news.chinawj.com.cn
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