4R4027/4R4041/4R4206/4R4413 Rolling Mill Bearing Cylindrical Roller Bearing

4R4027/4R4041/4R4206/4R4413 Rolling Mill Bearing Cylindrical Roller Bearing

1. Overview

The 4R4027/4R4041/4R4206/4R4413 rolling mill bearing cylindrical roller bearings are high - performance components designed for the demanding environments of rolling mills. These bearings are engineered to provide reliable and efficient operation, ensuring smooth and precise movement in the rolling process. With their advanced design and high - quality materials, they are capable of withstanding heavy loads and high - speed rotations, making them an ideal choice for the metalworking industry.

2. Material and Construction

• Material: These bearings are made of bearing steel, which offers excellent hardness, wear resistance, and fatigue resistance. The bearing steel is carefully selected and processed to ensure consistent quality and performance. It can withstand the extreme pressures and forces encountered in rolling mill applications without deforming or failing prematurely.
• Rolling Body: The rolling bodies of these bearings are roller bearings. Roller bearings have a larger contact area compared to ball bearings, which allows them to carry heavier radial loads. The cylindrical shape of the rollers also helps to distribute the load evenly, reducing stress concentrations and extending the bearing's service life.
• Number of Rows: They are four - row cylindrical roller bearings. The multiple rows of rollers provide increased load - carrying capacity and improved stiffness. This design enables the bearings to handle high radial loads and axial loads in both directions, making them suitable for the complex loading conditions in rolling mills.

3. Performance Features

• High Load - Carrying Capacity: Due to the use of bearing steel and the four - row design, these bearings can carry extremely heavy loads. They are capable of withstanding the high forces generated during the rolling process, such as the pressure exerted on the rolls when shaping metal sheets or bars.
• High - Speed Capability: The precision - engineered design of the bearings allows them to operate at high speeds. The smooth surface finish of the rollers and the optimized internal geometry reduce friction and heat generation, enabling the bearings to maintain stable performance even at high rotational speeds.
• Low Friction and Energy Efficiency: The use of high - quality materials and advanced manufacturing techniques results in low friction between the rolling elements and the raceways. This not only reduces energy consumption but also minimizes wear and tear on the bearings, leading to longer service intervals and lower maintenance costs.
• Good Rigidity: The four - row structure of the bearings provides high rigidity, which is essential for maintaining the accuracy of the rolling mill. It helps to prevent deflection and vibration during operation, ensuring that the metal products are rolled to the desired dimensions and surface quality.

4. Application Scenarios

• Rolling Mills: These bearings are specifically designed for use in rolling mills, including hot rolling mills and cold rolling mills. They are used in various types of rolling equipment, such as work rolls, backup rolls, and intermediate rolls, to support the rolls and ensure smooth rotation.
• Metalworking Industry: In addition to rolling mills, these bearings can also be used in other metalworking processes, such as forging, extrusion, and stamping. Their high - load - carrying capacity and reliable performance make them suitable for applications where heavy loads and precise movement are required.
• Other Industrial Applications: They may also find applications in other industries where high - performance bearings are needed, such as mining, construction, and power generation. For example, in mining equipment, they can be used in crushers and conveyors to support heavy - duty components.

5. Quality Assurance and Maintenance

• Quality Assurance: The manufacturing process of these bearings is subject to strict quality control measures. Each bearing undergoes a series of inspections and tests, including dimensional measurement, hardness testing, and fatigue testing, to ensure that it meets the highest quality standards.
• Maintenance: To ensure the long - term performance of the bearings, proper maintenance is essential. Regular lubrication is required to reduce friction and prevent wear. The lubricant should be selected based on the operating conditions, such as temperature, speed, and load. In addition, periodic inspections should be carried out to check for any signs of damage or wear, and the bearings should be replaced in a timely manner if necessary.

In conclusion, the 4R4027/4R4041/4R4206/4R4413 rolling mill bearing cylindrical roller bearings are high - quality, high - performance components that offer excellent load - carrying capacity, high - speed capability, and reliability. They are an ideal choice for the demanding applications in the rolling mill and metalworking industries, providing long - term and efficient operation.