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NU type cylindrical roller bearing
Single row cylindrical roller bearing is 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.
NUP Cylindrical Roller Bearings
NUP cylindrical roller bearings usually only bear radial forces. Compared with ball bearings of the same size, the radial load capacity is increased by 1.5-3 times, and it has good rigidity and impact resistance. It is especially suitable for rigid supports and short shafts. Axial displacement of the shaft due to thermal elongation and mounting and dismounting requires mechanical attachment of separable bearings.
SL bearings are usually guided by two ribs of a bearing ring, cages, rollers and guide rings to form an assembly, generally separable bearings. This kind of bearing is easy to install and disassemble.
NN type cylindrical roller bearing
The double row cylindrical roller bearing consists of an inner ring, an outer ring, a roller and a cage. The inner and outer rings are connected together by rollers and cages. The roller is cylindrical, by rolling on the inner and outer rings, to achieve the operation of the bearing. The role of the cage is to maintain the position of the roller so that it can be evenly distributed between the inner and outer rings of the bearing. Double row cylindrical roller bearings are compact in structure and large in carrying capacity, which are suitable for high-speed rotation and high load conditions.
Double Row Tapered Roller Bearings
The outer ring (or inner ring) of a double row tapered roller bearing is a single piece. The small end faces of the two inner rings (or outer rings) are similar, and there is a spacer in the middle. The clearance is adjusted by the thickness of the spacer. The thickness of the spacer can also be used to adjust the pre-interference of the double row tapered roller bearing.
Four Row Tapered Roller Bearings
Four-rows tapered roller bearing, the performance of this type of bearing is basically the same as that of double-row tapered roller bearing, but the radial load is larger than that of double-row tapered roller bearing, and the limit speed is slightly lower.
Single Row Tapered Roller Bearings
Tapered roller bearings are separable bearings, and both the inner and outer rings of the bearing have tapered raceways. The ability of a single row tapered roller bearing to withstand axial loads depends on the contact angle, that is, the angle of the outer ring raceway. The larger the angle, the greater the axial load capacity. The most used tapered roller bearings are single row tapered roller bearings.
Tapered Roller Bearing (Inch Size Tapered Roller Bearing）
Inch tapered roller bearings originated in the United Kingdom and the United States, and their structure and assembly dimensional accuracy and rotational accuracy are different from metric bearings. Mostly used for imported machinery or industries with special needs.
Deep groove ball bearings are suitable for high speed operation and are very durable. This type of bearing has a small friction coefficient and is used in precision instruments, low-noise motors, automobiles, motorcycles and general machinery and other industries.
The deep groove ball structure is also divided into two types: sealed and open. The open type means that the bearing does not have a sealed structure. The sealed deep groove ball is divided into dust-proof seal and oil-proof seal. The material of the dust-proof sealing cover is stamped steel plate, which only serves to prevent dust from entering the bearing raceway. The oil-proof type is a contact oil seal, which can effectively prevent the grease in the bearing from overflowing.
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