What is the difference between n series and NU series bearings? Both the N series and the NU series are single row cylindrical roller bearings, which differ in structure, axial mobility and axial load. The following specific analysis: 1, structure and axial mobility n series: the inner ring on both sides of the rib, and roller can not be separated, the outer ring without the rib. This design allows the outer ring to move freely in both directions. NU series: The Outer Ring on both sides of the baffle, and roller can not be separated from the inner ring without baffle. This design allows the inner ring to move freely in both directions. 2, installation and disassembly N series: the outer ring can be free from both sides, easy to install and disassemble, suitable for the need of regular maintenance or replacement parts of the application. NU series: the inner ring can be detached from both sides, the same easy to install and disassemble, but because of its outer ring design, more suitable for the axial position precision requirements of the occasion. 3. Fit Clearance N series: the fit clearance of inner and outer rings is large, which is suitable for occasions with low requirement of axial position precision. NU series: The Fit Gap of inner and outer rings is small, suitable for the occasion requiring high axial position precision. 4, lubrication seal N series: usually using lubricant, need to supplement regularly, suitable for frequent lubrication needs of the application scenario.
NU series: you can use lubricating oil or grease, grease oil supply cycle is longer, suitable for lubrication needs of infrequent application scenarios. 6, axial load bearing capacity N series: because the outer ring without side, not suitable for bearing too large axial load, often used in clean, low-load environment, suitable for motor, gear box and other equipment. NU series: The Outer Ring has two sides, can bear a direction of axial load, often used in heavy load, high temperature or shock load environment, so more suitable for pumps, fans and other need to bear axial load equipment. In view of the above analysis, the following factors can be considered in the selection of these 2 types of bearings: (1) working environment: the existence of axial load and load size. (2) equipment requirements: equipment accuracy requirements and the need for frequent dismantling and maintenance. (3) lubrication mode: according to the choice of grease or oil, determine the appropriate lubrication interval and maintenance strategy. (4-RRB- economy: considering cost and maintenance frequency, choose more economical solution. Conclusion: N Series and NU series bearings have their own characteristics and scope of application, should be based on specific working conditions and equipment requirements to select the appropriate type. Reasonable selection can not only prolong the service life of bearings, but also improve the performance and reliability of equipment.
Post time: Jul-16-2024