Full complement bearing.com/cylindrical-roller-bearings.html' target='_blank'>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 remove, and can withstand one-way axial load, for one-way positioning. The size and geometric deviation of the full complement cylindrical roller bearing should conform to the GB/T307.1-94 (ISO492-1994) P0 level, and the normal original radial clearance CO can also be required to have C2 to C4 original Bearings with radial clearance. However, the corresponding suffix should be added after the bearing code when ordering. Rubber and plastic screw extruders generally use C3 group clearance. The joint operator can refer to the selection principle of the bearing seat operator and the limit selection principle of the shaft operator. Bearings are allowed to suffer certain axial loads. Adequate lubrication is a prerequisite for bearing axial loads. One-way locating bearings and locating bearings must be fully supported by their ribs that are subjected to axial loads. Installation and disassembly, when installing or disassembling cylindrical roller bearings, special attention must be paid to the fact that the installation or disassembly force cannot simply be transmitted through the cylindrical roller and the ring rib. Cylindrical roller bearings are usually guided by two ribs of a bearing ring, a coupling frame, a roller and a guide ring form a combination, usually a separable bearing. This kind of bearing is relatively convenient to install and disassemble, especially when the inner and outer rings are required to have an interference fit with the shaft and the housing. Such bearings are generally only used to withstand radial loads, and only single-row bearings with ribs on both the inner and outer rings can withstand smaller axial loads or larger intermittent axial loads. Compared with deep groove ball bearings with similar dimensions, this type of bearing has a larger radial load capacity, and is also suitable for high-speed rotation from a structural point of view. Cylindrical rollers and raceways are linear contact bearings. The load capacity is large, and it is mainly subjected to radial load. The friction between the rotating body and the rib of the ferrule is small, and it is suitable for high-speed torsion. According to whether the ring has ribs or not, it can be divided into single row bearings such as NU, NJ, NUP, N, NF, and double row bearings such as NNU and NN. The bearing has a separable layout of the inner ring and the outer ring. Cylindrical roller bearings without ribs on the inner or outer ring, the inner and outer rings can move relative to the axial direction, so they can be used as free end bearings. Cylindrical roller bearings with double ribs on one side of the inner ring and outer ring and a single rib on the other side of the ring can withstand a certain degree of axial load in one direction. Commonly used steel plate stamping connection frame, or copper alloy car connection frame. But there is also a part of the application of polyamide forming link. Cylindrical roller bearing features: 1. The roller and the raceway are in line contact or trimmed line contact, and the radial bearing capacity is large, suitable for heavy loads and impact loads. 2. The conflict coefficient is small, suitable for high speed, and the limit speed is close to the deep groove ball bearing. 3. N type and NU type can be moved axially, which can adapt to the change of the relative position of the shaft and the shell caused by thermal expansion or installation deviation, and can be used for open end support applications. 4. The processing requirements for the shaft or seat hole are relatively high. After the bearing is installed, the relative deflection of the outer ring axis should be strictly controlled to avoid intensive contact stress. 5. The inner ring or outer ring can be separated for easy installation and removal. Main applications: large and medium-sized motors, locomotives, machine tool spindles, internal combustion engines, generators, gas turbines, delay boxes, rolling mills, vibrating screens, and hoisting and transporting machines.
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