Bearing type selection criteria 101

As technology advances bearing type will become more and more common, but these are the main ones: Deep Groove Ball Bearings, Flange Bearings, Thrust Roller Ball Bearings, One-Way Bearings, and Angular Contact Bearings are found in machines. v/u groove bearings, rubber coated bearings, common in furniture. and new ceramic bearings.

Bearing type: deep groove ball bearings.

The most common type is the deep groove ball bearing, which is also the most widely used type of rolling bearing. It is characterized by a simple structure, low frictional resistance, and high speed.

Best-selling deep groove ball bearings

Deep groove ball bearings are generally made of bearing steel or stainless steel. Like the 3 diagrams above, they use metal seals, and some use rubber seals. There are even some that do not use seals and are open. In recent years, ceramics have been used to produce bearings, giving birth to ceramic bearings. Similarly, ceramic deep groove ball bearings were also born.

Depending on the usage scenario, there are times when a high load bearing is required. What is high load? Bearings of the same model are used in the case of different materials, such as bearing steel, stainless steel, and ceramic. There will be differences in load capacity. Generally speaking, the higher the load-carrying capacity, the harder the material used for the bearing and the higher the wear resistance. In addition, the heat treatment process, composition, structure, and other aspects of the bearing material will also affect the load.

People are definitely willing to buy bearings with good wear resistance. The better the wear resistance, the less likely it is to be damaged in general. Stainless steel and ceramic have better wear resistance than bearing steel. Ceramic bearings have the best wear resistance, stainless steel bearings have the second best, and bearing steel has the worst. Ceramic bearings have much better wear resistance than metal materials and are particularly suitable for use at high temperatures and in dry friction situations.

Bearings used in home appliances, such as coffee makers, need to be wear-resistant and low-noise. Noise is generated because of the clearance. Bearing clearance is the amount of movement when one side of the inner or outer ring of the bearing is fixed, and then the unfixed side is facilitated to move radially or axially.

The size of the clearance has a great influence on the working performance and life of the bearing. When the bearing clearance is too small, the most likely condition is bearing heat, and if the speed is even faster, it is possible to damage the bearing.

The size of the bearing clearance affects the noise level of the bearing. When the bearing is rotating, if the clearance is too large, it will make the inner and outer rings start to collide at both ends, and the bearing will produce an irregularly shaped ellipse in the process of rotation, which will cause strong impact sound and vibration. Large clearance, bearing noise is also large. Obvious noise is so generated.

Bearing type: Flange Bearing

Flange bearings are another large category of bearing type, which combines flanges and bearings in one unit. Flange bearings are advantageous when there is no connector at one end of the shaft, which needs to be fixed to a flat surface, such as a plate or a wall, during use. This design makes axial positioning easy and also reduces costs, as additional bearing housings are no longer required.

Flange bearings have low friction, high precision bottoming, low noise, stable operation, and durability.

Features & Benefits of Flange Bearings.

High load carrying capacity: Flange bearings are also characterized by their ability to withstand relatively high axial loads. They maintain structural integrity and function properly while being subjected to tremendous stress. It can be used in the load and vibration requirements of high occasions. You can choose the material of the flange bearing according to the size of the load, for example, the load of bearing steel will be smaller than the stainless steel material.

Flange bearings have rounded balls inside and work with rolling friction, which has a lower coefficient of friction than sliding friction. The low friction can reduce the wear and heat generation and the use time of the stretcher bearing. Because of the low friction, the rotational speed can reach a relatively high degree, and it is suitable for some home appliances and machinery that require high rotational speed.

Flange bearings of the bearing type are self-aligning in their own right. The self-aligning function of flange bearings is due to their special design.

Flange bearings will have an excellent service life if they are made of high-quality bearing steel and stainless steel materials. Flange bearings are designed with thick inner rings, sturdy flange plates, and precise bolting to ensure that they can work for a long time even in harsh working environments.

The overall structure of flange bearings in bearing type is simple with no delicate parts, and there are few requirements in terms of installation and maintenance. Compared to other bearings in the bearing type, flanges only need to be inspected at regular intervals, which for industries that rely heavily on continuous mechanical operation, low maintenance means reduced downtime and operating costs.

Bearing type: Thrust roller ball bearings

Best-selling thrust roller ball bearings

There are two common flat thrust ball bearings: unidirectional (only one direction) and bidirectional (can be in both directions). Unidirectional thrust ball bearings can only withstand axial loads in one direction, while bidirectional thrust ball bearings can withstand axial loads in two opposite directions.

When using planar thrust ball bearings, the upper and lower washers must be correctly fitted to the shaft and housing bore to ensure smooth transmission and support of the axial load.

Bearing type: V/ U Groove Bearing

Unlike other bearing types, V/ U Groove Bearing is grooved, either U-shaped or V-shaped. V/ U Groove Bearing is generally used as a guide rail in furniture and electrical appliances.