Introduction of the reducer bearings-NEWS-FV BEARING INDUSTRIES

Introduction of the reducer bearings

Aug 04, 2023


Reducer bearings are special bearings that be used in every kind of reducer. The small reducer uses the cylindrical roller bearings more, such as single-row cylindrical roller bearings, single-row cylindrical roller bearings without outer rings, single-row cylindrical roller bearings without inner rings, double row cylindrical roller bearings without outer rings. Usually, the spherical roller bearings are used in large reducers, such as 24040, 24036, etc.


24036


Once the matching gap occurs during the operation of the reducer, it will cause serious damage to the drive shaft and transmission gear, resulting in major shutdown accidents and huge economic losses. Once the bearing room of the reducer is worn, the replacement cost of the parts is high, the manufacturing cycle is long, and the general repair method is machining or reaming steel sleeve after disassembly and repair welding, which is time-consuming and costly. We usually use polymer composite materials to solve the wear problem of the bearing chamber of the reducer.

This kind of problem is generally difficult to be repaired by the repair welding process, it is not good for the weldability of cast iron, and the welding is easy to cause more serious secondary damage to the parts, also the replacement cost is high and the replacement time is long.


Reducer is a power transmission mechanism, to use a gear speed converter, the power source rotation number is reduced to the required number of rotation, and get the larger torque. And it has a certain amount of axial movement. Reducer bearings in which support the gear shaft or connecting rod role, because cylindrical roller bearings can be in the effective size range of continuous stable support torque role. The cylindrical roller bearings with NU, NJ type are installed in the support position at both ends of the shaft, and the double row eccentric bearings are used as the support position in the reducer because they do not have different hearts, you can get a smaller installation position to achieve small and lightweight reducer products.


Spherical Roller Bearing


There are many types of reducer bearings, commonly used rolling bearings and cylindrical roller bearings.

On the one hand, the role of the reducer bearing is to keep the gear oil inside the bearing will not be lost, to ensure that the bearing is lubricating. On the other hand, it is to protect the bearing outside the dust will not enter the bearing room, to prevent damage to the bearing. The bearing can play a role in supporting the gear shaft or connecting the rod between rotations in the reducer.

In addition, if the size of the deceleration model is different, the bearing model is different. How the transmission efficiency and quality are directly related to the bearing, the sliding quality of the bearing, and the life will affect the overall quality and performance of the reducer. The reducer is a transmission mechanism that needs to transmit torque to the working machine through the shaft and bearing. 

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