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Do you know the composition of IKO single row cylindrical roller bearings?

by:JNSN     2022-09-28
Single-row cylindrical roller bearings are usually only subjected to radial force. Compared with ball bearings of the same size, the radial bearing capacity is increased by 1.5-3 times, with good rigidity and impact resistance. It is especially suitable for rigid supports and short shafts. Axial displacement of shafts caused by thermal elongation and installation and disassembly require machine accessories of separable bearings. Mainly used for large motors, machine tool spindles, engine front and rear support shafts, train and passenger car box shaft supports, diesel engine crankshafts, automobile tractor gearboxes, etc. Structural features: Cylindrical rollers and raceways are line contact bearings. Load capacity, mainly bear radial load. The friction between the rolling element and the rib of the ring is small, which is suitable for high-speed rotation. According to whether the ring has ribs or not, it can be divided into single row cylindrical roller bearings such as nu, nj, nup, n, and nf, and double row cylindrical roller bearings such as nnu and nn. The bearing is a structure in which the inner ring and the outer ring can be separated. 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. Generally, a steel stamping cage is used, or a copper alloy turning solid cage is used. However, there are also part of the use of polyamide forming cage. Composition: Single row cylindrical roller bearings include outer ring, inner ring locking ring and cage. An annular stress groove is arranged in the middle of the outer wall surface of the outer ring, a plurality of annular locking grooves are arranged on the outer wall of the outer ring, and the shape and size of the locking ring are adapted to the shape and size of the annular locking groove. A locking ring is installed in the annular locking groove. A ring-shaped cage guide groove is provided on the annular surface of the inner wall of the outer ring at the position corresponding to the stress groove. The utility model has the advantages of convenient assembly, large bearing load, high limit rotation speed, strong reliability, long service life and the like.
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