Double Row Taper Roller Bearing

High performance double row spiral wound gaskets manufactured by KOMEL, including continuous rings. The outer ring is composed of two outer rings, the smaller faces of the outer rings are close to each other, and there is a spacer ring in the middle. The rolling elements are roller bearings arranged between the corresponding raceways of the inner and outer rings. The fence separates cars and equal spaces. Typically, steel signage plates are used, but steel crossbars are also used. These bearings have high load capacity, guaranteed clearance, high rotational accuracy and limited rotation speed. KOMEL Double Row Taper Roller Bearings are widely used in automobile manufacturing, machine tool industry, construction machinery, metallurgical machinery and other industries.

Parameter (Specification)

Suffixes

· E: Reinforced design, which generally means that the dimensions of the bearing's rollers and raceways are increased to improve the bearing's load - carrying capacity. For example, in some heavy - load application scenarios, using reinforced tapered roller bearings can better withstand large radial and axial loads.

· J: The inner ring is equipped with oil holes and oil grooves for lubrication. This design facilitates the injection of lubricating oil into the bearing, ensuring good lubrication during high - speed or heavy - load operation and reducing wear and heat generation.

· JR: The outer ring is equipped with oil holes and oil grooves, also aiming to improve the bearing's lubrication conditions.

· N: The outer ring has a snap - groove for installing a snap - ring, which can achieve axial positioning of the bearing and prevent the bearing from moving axially on the shaft.

· NR: The outer ring has a snap - groove and comes with a snap - ring. Compared with bearings with only a snap - groove, this configuration is more user - friendly. The axial positioning can be completed directly after installing the snap - ring.

· P2: The highest level of dimensional accuracy and rotational accuracy, suitable for application scenarios with extremely high precision requirements, such as the spindles of precision machine tools.

· P4: A high - precision class, with accuracy second only to the P2 class. It is commonly used in some high - speed and high - precision mechanical equipment, such as aero - engines and high - speed grinding machines.

· P5: A common high - precision class, which can meet the requirements of most industrial equipment with certain precision requirements, such as CNC machine tools and textile machinery.

· P6: The accuracy is lower than the P5 class but higher than the normal class (the normal class is indicated without a suffix). It can be used in machinery with general precision requirements, such as agricultural machinery and general machine tools.

· C1: The clearance is smaller than the normal clearance, suitable for occasions requiring high precision and low vibration, such as precision instruments and optical equipment.

· C2: The clearance is smaller than the normal clearance but larger than that of the C1 class. It is commonly used in some precision machinery with certain requirements for clearance.

· C0: Normal clearance, which is the most commonly used clearance class and is suitable for most mechanical equipment under general working conditions.

· C3: The clearance is larger than the normal clearance, commonly used in working conditions such as high temperature, high speed, and heavy load. In these cases, the bearing's clearance will decrease due to factors such as thermal expansion. A larger initial clearance can ensure that the bearing still has a proper clearance during operation.

· C4: The clearance is larger than that of the C3 class, suitable for special working conditions with higher temperature, higher speed, and heavier load.

· M: Solid copper alloy cage, which has good strength, wear resistance, and lubrication performance. It is suitable for high - speed, heavy - load, and high - temperature working environments.

· T: Synthetic resin cage, which is lightweight, has low noise, and good self - lubrication performance. It is commonly used in high - speed and low - noise application scenarios, such as power tools and household appliances.

· TN: Glass - fiber - reinforced nylon 66 cage, which has good strength and toughness and also has certain self - lubrication performance. It is widely used in many common industrial applications.

· W: Special materials, usually indicating that the bearing is made of special steel or other materials to meet specific working conditions, such as corrosion resistance and high - temperature resistance.

· G: Subjected to special heat treatment, which improves the bearing's hardness, wear resistance, and anti - fatigue performance. It is suitable for applications under harsh working conditions and heavy loads.

Application

Automotive industry: It is commonly used in parts such as automotive wheels, differentials, and transmissions. It can withstand radial and axial loads during the vehicle's operation, ensuring the smooth running of the vehicle and the accuracy of steering.

Machine tool industry: It can be applied to components like the spindles and worktables of machine tools, supporting the high-precision cutting and machining operations of machine tools, and ensuring machining accuracy and surface quality.

Construction machinery industry: For example, in parts such as the slewing bearings and drive shafts of construction machinery like excavators, loaders, and cranes, it can withstand huge radial and axial loads and adapt to harsh working environments.

Metallurgical equipment industry: In metallurgical machinery such as rolling mills and ironmaking equipment, it is used to support components like rolls and drive shafts, and can withstand loads under harsh working conditions such as high temperatures and heavy loads.