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Tandem Thrust Cylindrical Roller Bearings

The key components include the inner ring, outer ring, cylindrical rollers, and cage. The inner ring usually has precise axial positioning steps to provide a stable rolling track for the rollers and ensure the effective transfer of axial force; the outer ring has sufficient strength and rigidity to cope with external pressures. The cylindrical rollers are made of high-quality steel and undergo precision machining, possessing good cylindricity and surface finish. They are closely arranged between the inner and outer rings in large numbers and can evenly share the axial load, greatly enhancing the bearing's load-carrying capacity. The role of the cage is crucial. It not only evenly separates the cylindrical rollers to prevent mutual friction and collision between the rollers and ensure the smooth operation of the bearing but also helps the rollers maintain the correct rolling posture during high-speed operation, reducing energy consumption.

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Tandem Thrust Cylindrical Roller Bearings

Application

The bearings can be used in the following industries

Power industry
- Hydroelectric generators: In the rotor support system of hydroelectric generators, it is necessary to bear the huge axial water thrust and the combined axial force generated by factors such as rotor self-weight and electromagnetic force. Tandem thrust cylindrical roller bearings, with their ultra-strong axial load-carrying capacity, ensure the stable suspension of the rotor and the safe and efficient operation of the generator.
- Thermal power generation equipment: The main shafts of steam turbines and generators generate relatively large axial forces during high-speed rotation. This bearing is used to support the main shaft, effectively preventing shaft misalignment and maintaining the stable operation of the unit, improving power generation efficiency.
Shipbuilding industry
- Ship propulsion systems: When the ship's propeller operates, it exerts a huge axial thrust on the propulsion shafting. Tandem thrust cylindrical roller bearings, as key support components, can reliably bear this thrust, ensure the ship's smooth progress under various sailing conditions, and ensure the long-life operation of the propulsion system, reducing ship maintenance costs.
- Steering gear systems: When the steering gear controls the ship's turning, it generates a certain axial force. This bearing is used in the transmission mechanism of the steering gear to provide stable support for the precise rotation of the rudder blade, improving the flexibility and accuracy of ship handling.
Metallurgical industry
- Rolling mill equipment: In the axial support part of the rolls in a rolling mill, it is necessary to bear the extremely high axial force converted from the rolling pressure. Tandem thrust cylindrical roller bearings can meet this demand, ensure the precise axial positioning of the rolls, and ensure the continuity of the rolling process and the quality stability of steel products.
- Non-ferrous metal processing equipment: For example, in aluminum, copper and other non-ferrous metal rolling production lines, there is also a problem of relatively large axial loads. This bearing provides reliable axial support for non-ferrous metal processing equipment, helping to produce high-quality non-ferrous metal sheets, tubes and other products.
Mining machinery
- Large crushers: During the ore crushing process, the main shaft of the crusher receives a huge reaction force from the crushed material, generating a strong axial impact load. Tandem thrust cylindrical roller bearings can effectively buffer and bear this load, ensure the stable operation of the crusher, improve the crushing efficiency and extend the equipment's service life.
- Mine hoists: The drum shaft of a mine hoist needs to bear a relatively large axial force when lifting heavy objects. This bearing is used to support the drum shaft, ensure the safe and reliable operation of the hoist, and meet the requirements of high-intensity and high-efficiency operations in mine mining.