Four Row Tapered Roller Bearings

Four row tapered roller bearings can endure both radial force and axial force without thrust bearings to make the main machine more compact. The inner diameter and the roll neck of four row tapered roller bearings work together with loose fit-up for convenient installation and dismounting. However sometimes the loose fit-up will slip. So the inner diameter will be made with screw oil tank.

At present, this specification model is still widerly applied in the working rolls of the four row hot rolling mill and cold rolling mill, bloomer and beam rolling mill.    

In the realm of industrial machinery, where efficiency and reliability are paramount, the precision of each component plays a pivotal role. One such critical component is the rolling mill bearing, and in our pursuit of excellence, we've elevated our manufacturing process to deliver super precision on the contact surface of the bearing roll way.

The Precision Engineering Process: Our commitment to quality begins with the meticulous engineering of the rolling mill bearings. We employ advanced technologies and cutting-edge manufacturing processes to achieve super precision on the crucial contact surfaces. This precision is particularly concentrated on the bearing roll way, ensuring an unparalleled level of accuracy in its form and function.

The precision engineering process involves the use of state-of-the-art machinery, stringent quality control measures, and the expertise of our skilled engineers. We leave no room for error, consistently adhering to tight tolerances to create a flawless and high-performance rolling mill bearing.

Benefits of Super Precision Rolling Mill Bearings:

1. Enhanced Performance: The super precision on the contact surface of the bearing roll way translates to superior performance in real-world applications. The precisely crafted bearings contribute to smoother operations and reduced friction, optimizing the overall efficiency of the rolling mill.

2 Extended Service Life: The precision-engineered bearings are designed to withstand the rigors of heavy-duty industrial applications. By minimizing wear and tear through precise construction, these bearings boast an extended service life, reducing downtime and maintenance costs.

3. Consistency in Operation: The uniformity achieved through super precision ensures consistent performance across all units. This consistency is crucial for the seamless operation of the rolling mill, contributing to the reliability of the entire system.

ESG Bearing started running our new bearing warehouse recently.

ESG Bearing has been making bearings for steel mills of billets, rebars, sections, angles, coils, for years. We deeply know what steel mills are always looking for. Quality bearing with the fastest delivery.

ESG Bearing has a large stock of steel mill bearings for better service to our clients. Our stock covers most of the highly wanted bearing models for steel mill bearings. Our immediate delivery will also help steel mills reduce their stock and cost for maintenance.

You may also contact us for regular update of our stock list.

Four-row cylindrical roller bearings are mostly used in steel mill industry. ESG Bearing is using our experience, technology, expertise and commitment of quality to make the most suitable bearings for rolling mills.

Four row cylindrical roller bearings are mainly used in cold/hot rolling mill,bloomer and other steel rolling mill machines.The bearing structure is separate structure. The bearing rings and rollers can be separated easily. So it is convenient for bearing cleaning, checking, mounting and unmounting jobs.

FC model bearing is consist of two outer rings and one inner ring. On the both sides of outer rings, there are blocker,middle blocker on the middle of the blocker. There is no blocker on the inner rings.

FCD model bearings consist of two pieces of NN model bearings..

FC model and FCD model bearings can allow the axial movement within the axis base to two directions. So, this kind of bearing are suitable for movable end bearings.

As critical roller bearing of rolling mill, the spare parts of four row cylindrical roller bearings can be replaced, installed, dismounted and cleaned easily. Within the radial installation area, it can provide max. radial loading ability with lower friction factor.

 

There are three kinds of structure type: FC type, FCD type and FCDP type.

FC Type

It belongs to separable bearings that inner ring can be seperated from the whole bearings. It has better limit rotation speed and can be interchangable. Protection cage can be brass or steel cages.

FCD Type

It belongs to separable bearing. However FCDP type will be much convenient than FCD type for separable degree. For FCD type, it can only make two inner rings separate from the whole bearing with higher limit rotation speed and interchangable feature. Protection cage can be brass or steel cages.

 

FCDP Type

It is critical roller bearing. The spare parts can be separable with high precision. It is very convenient to install, dismount and clean. Within installation area, it can provide max. radial load ability with lower friction factor. So it is applied in high speed, heavy load and terible working environment of rolling mill production.

 

The inner ring and roller neck of four row cylindrical roller bearing should be interference fit. When installed, it should be heated to 80 ~ 90 ℃ and the temperature should not exceed 100 ℃. Otherwise, it is easy to cause annealing of bearing ring raceway and roller, affect hardness and wear resistance, and lead to bearing life reduction and premature scrapping. After the bearing is installed on the shaft, the inner ring must be pressed down immediately until it cools down. It is usually heated by induction heater, and it is forbidden to use cutting gun to bake. When the inner ring is installed on the roll neck, it is in close contact with the water retaining ring to prevent the water retaining ring from moving.

Our（ESG Bearings） four row Cylindrical Roller Bearing product awarded with national patent. All products awarded the ISO9001 quality management system certification for many times.

At ESG Bearing, we are dedicated to enhancing efficiency and driving down costs for rolling mills across the industry. Our latest shipment marks another milestone in our journey to provide top-notch solutions that keep the wheels of industry turning smoothly.

Delivering Excellence

In our recent collaboration with a leading steel mill group, we successfully delivered a large shipment of essential rolling mill bearings. This partnership underscores our commitment to supporting the rolling mill industry with reliable and efficient logistics solutions. Each delivery is a testament to our precision, dedication, and the trust our clients place in us.

Innovation at the Core

ESG Bearing continuously innovates our methods and technologies to stay ahead in the industry. From state-of-the-art tracking systems to streamlined delivery processes, we ensure that every step is executed with utmost precision. This commitment to innovation translates into tangible benefits for our clients, allowing them to focus on their core operations while we handle the logistics.

At ESG Bearing, we believe that efficiency and cost-effectiveness are the cornerstones of a successful rolling mill industry. Our latest delivery is just one example of how we strive to make a positive impact. We look forward to continuing our journey, driving innovation, and supporting the industry with unmatched dedication and expertise.

Generally speaking, the rolling mill stands will have 2 rolls, 3 rolls, 4 rolls, or a set of multiple rolls mounted onto the stands.  The loads on the rolls will transfer to the roll neck bearings and their housings during the rolling of steels. The roll neck bearings are to meet the basic need of the smooth rolling of steel products. They will differ from sizes, carrying capacities and other aspects, due to different requirements and working conditions. Therefore, they will have different configurations and speeds of rolling.

The bearings are designed to withstand high loads, impacts, varying speeds and high temperature. They also need to work with metal particles, dirt, and water. Therefore, the bearings should be made with good material and technique to endure the toughest working conditions. Roll neck bearings with high quality will help steel mills reduce a lot for reducing power consumption, downtime, and improving rolling conditions.

With best bearing material choosing, and strict control on processing, ESG Bearing is able to meet most modern steel mills’ high requirements. ESG Bearing is also the only 1 factory bearing manufacturers having 100% flaw detection on the bearings. Thus the bearing quality will be assured.

Steel metal rolling operations usually deform the materials by compressive forces between two constantly spinning rolls. These forces act to reduce the thickness of the metal and change its grain structure. Besides, the rolls will also feed the material when they are spinning to each other.

However, the rolls cannot function in isolation. During the rolling process, rolls, stands, bearings, housings, and motors are necessary parts for the operation. Usually, bearings will transmit motion and forces. They are usually mounted on the rolls and inserted into the housings. This is why the bearings on the mill stands are called roll neck bearings. These bearings should be strong enough to face with extreme temperatures, dust, contaminants, and variable humidity. They will also work under physical stresses of continuous high speed, extreme torque and shock loads.