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Full complement cylindrical roller bearings are designed for heavy loads

by:JNSN     2022-11-27
The full complement cylindrical roller bearing is designed to bear heavy loads. Compared with the traditional cage bearing under the same width, it has a very high bearing capacity and a small radial section, which can save space, but the speed is relatively low. . The full complement cylindrical roller bearing has two inner rings. The two inner rings are connected by a clamping ring and cannot be separated. The outer ring has a middle rib, which can bear bidirectional axial load and is used as a positioning bearing. Due to the large distance between the two rows of rollers, overturning moments can also be experienced. There are two retaining grooves on the surface of the outer ring, which can be positioned axially. This type of bearing is equipped with contact sealing rings on both sides and lithium-based grease inside, and the operating temperature is limited to -40℃~+80℃. Under the necessary premise, this type of bearing does not need maintenance, but when there is water vapor or contamination during operation, and it is often operated at medium or high speed, it must be supplemented with lubrication. In places where oil lubrication is used, the sealing ring needs to be removed and the grease in the bearing should be cleaned. NNC/SL01 Series Full Complement Cylindrical Roller Bearings NNC/SL01 Series Full Complement Cylindrical Roller Bearings are non-sealed bearings. The outer ring is integrally split and fixed together by continuous locking pieces, so the outer ring cannot suffer Axial load, the split outer ring is exactly the same, each with a rib, which can be used for axial positioning in two directions. The inner ring has three ribs. The outer ring has oil grooves and three lubrication holes, and this series of bearings is always lubricated by oil. NNCL/SL02 Series Full Complement Cylindrical Roller Bearings NNCL/SL02 Series Full Complement Cylindrical Roller Bearings are non-sealed bearings with no ribs on the outer ring, with oil grooves and three lubrication holes. The inner ring has three ribs. A fixed ring is installed in the middle of the outer ring between the two rows of rollers, which can prevent the rollers from falling out and keep the bearing as a whole. This series of bearings can allow a certain axial displacement between the shaft and the bearing seat to occur in the bearing. Because it can be used as a floating end bearing Full complement cylindrical roller bearings are designed to withstand heavy loads. Under the same width, compared with the traditional type bearing with cage, this kind of bearing has extremely high bearing capacity, and the radial section is small, which can save space, but the speed is relatively low. In order to make the bearing work normally, in the continuous operation environment, the bearing must suffer a certain smaller load, namely C/P<25. Otherwise, wear will be aggravated due to insufficient lubrication and high-speed operation. All multi-row cylindrical roller bearings have lubrication grooves and lubrication holes in the outer ring.
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