WDJM four-row cylindrical roller bearing is a rolling bearing widely used in heavy machinery equipment. They are typically used in applications where high radial loads and some degree of axial loads are required. The following is a general introduction to four-row cylindrical roller bearings:

Structural features: Four-row cylindrical roller bearings consist of inner rings, outer rings, rollers and cages. The rollers are arranged in four rows, a design that enables the bearings to withstand higher radial loads while maintaining relatively high rigidity. The cage is usually made of steel or copper to ensure the correct positioning and movement of the rollers.

Load-carrying capacity: Four-row cylindrical roller bearings have high load-carrying capacity and can withstand a large amount of radial load and a certain degree of axial load. This makes them particularly suitable for some heavy machinery and equipment, such as rolling mills, cranes, excavators, etc.

Application fields: Four-row cylindrical roller bearings are widely used in metallurgy, mining, heavy machinery, port machinery, construction engineering and other fields. They are commonly found in rolling mill equipment in the steel industry, where they are used to roll steel or aluminum.

High-speed performance: For some high-speed running applications, some four-row cylindrical roller bearings have excellent high-speed performance and can stably run at higher speeds and maintain good working conditions.

Maintenance and maintenance: In order to ensure the normal operation of four-row cylindrical roller bearings and extend their service life, regular lubrication and maintenance are crucial. Proper lubrication reduces friction and wear and maintains bearing performance.

In general, four-row cylindrical roller bearings play an important role in heavy machinery and equipment due to their high load-bearing capacity, stability and reliability, and are one of the indispensable key components in many industrial fields.
 
Model: FC3652168

Introduction: This is a four-row cylindrical roller bearing, usually used in rolling mill equipment for cold-rolled steel plates.
Applicable equipment models: Suitable for some cold-rolled steel plate rolling mill equipment, such as cold-rolled steel plate rolling mills, etc.

Model: FC4666206

Introduction: This is a four-row cylindrical roller bearing with high load-bearing capacity and good wear resistance.
Applicable equipment models: Suitable for some heavy-duty rolling mill equipment, such as cold rolling mills, hot rolling mills, etc.
Model: 4R3426

Introduction: This is a four-row cylindrical roller bearing with high load-bearing capacity, suitable for high-speed rolling mill equipment.
Applicable equipment models: Applicable to some high-speed rolling mill equipment, such as high-speed cold rolling mills, etc.
Model: 4R4041

Introduction: This four-row cylindrical roller bearing has large radial load bearing capacity and high rigidity.
Applicable equipment models: Suitable for some large-scale rolling mill equipment, such as steel plate rolling mills, strip rolling mills, etc.
Please note that the above are just some common four-row cylindrical roller bearing models and the rolling mill equipment models they may be suitable for. The specific selection should be determined based on the actual application requirements and the parameters of the rolling mill equipment. It is recommended to consult a professional mechanical engineer or bearing manufacturer for more accurate advice during selection and application.