Full complement cylindrical roller bearings are designed to withstand heavy loads. Under the same width, this kind of bearing has extremely high bearing capacity compared with the traditional bearing with cage, 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 case of continuous operation, the bearing must bear a certain small load, namely C/P<25. Otherwise, the wear will be aggravated due to insufficient lubrication and high-speed operation. All multi-row full complement roller bearings without an outer ring have a lubricating groove and lubricating hole on the outer ring. Full Complement Cylindrical Roller Bearing Type 1. It has two inner rings. The two inner rings are connected by a clamping ring and cannot be separated. The outer ring has an intermediate rib that can accommodate axial loads in both directions and serves as a locating bearing. Due to the large distance between the two rows of rollers, they can also withstand overturning moments. There are two retaining grooves on the outer ring surface for axial positioning. These bearings are equipped with contact seals on both sides and based on lithium grease, the operating temperature is limited to -40°C to +80°C. Under certain conditions, this type of bearing does not need maintenance, but when there is water vapor or pollution during operation, and it is often operated at medium or high speed, it must be supplemented with lubrication. In the case of oil lubrication, it is necessary to remove the sealing ring and clean the grease in the bearing. When oil lubrication is used, the running time is increased by 30%. The full complement cylindrical roller bearing is a non-sealed bearing. The outer ring is integrally split and fixed together by connecting lock pieces. Therefore, the outer ring cannot bear the axial load. The split outer ring is exactly the same. With a rib, it can be used for axial positioning in both directions. The inner ring has three ribs. The outer ring has oil grooves and three lubrication holes. This series of bearings is usually oil lubricated. The full complement cylindrical roller bearing is an unsealed bearing 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 center 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. The full complement cylindrical roller bearing has a single rib on the outer ring and a lock ring on the side without rib, which can position the machine shaft in one direction. Move to positioning. Full complement cylindrical roller bearings are used for extremely heavy loads and low speeds. They have self-locking roller sets. Even if the inner ring is removed, the rollers will not be scattered. Therefore, this type of bearing is easy to install and disassemble and can withstand one-way axial load, for one-way positioning. The dimensional tolerance and geometrical deviation of the full complement cylindrical roller bearing shall comply with the GB/T307.1-94 (ISO492-1994) P0 tolerance level, and the normal original radial clearance CO can also be required to have C2 to C4 original radial clearance Clearance bearings. However, the corresponding suffix should be added after the bearing code when ordering. Rubber and plastic screw extruders generally use C3 group clearance. For the fit tolerance, please refer to the selection principle of bearing housing tolerance and the selection principle of shaft tolerance limit. Bearings are allowed to bear a certain axial load. Adequate lubrication is a prerequisite for bearing axial loads. The rib of the one-way locating bearing and locating bearing that bears the axial load must be fully supported. Installation and disassembly, special attention must be paid when installing or disassembling cylindrical roller bearings. The installation or disassembly force cannot be directly transmitted through the cylindrical roller and the rib of the ring. The dimensional tolerances and geometric deviations of full-roller bearings without outer ring should comply with GB/T307.1-94 (ISO492-1994) P0 tolerance level, and the normal original radial clearance CO, can also be required to have C2 to C4 original diameter Bearings to the clearance. However, the corresponding suffix should be added after the bearing code when ordering. Rubber and plastic screw extruders generally use C3 group clearance. For the fit tolerance, please refer to the selection principle of bearing housing tolerance and the selection principle of shaft tolerance limit. Bearings are allowed to bear a certain axial load. Adequate lubrication is a prerequisite for bearing axial loads. The rib of the one-way locating bearing and locating bearing that bears the axial load must be fully supported. Installation and disassembly, special attention must be paid when installing or disassembling cylindrical roller bearings. The installation or disassembly force cannot be directly transmitted through the cylindrical roller and the rib of the ring.
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