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Cylindrical Roller Bearings

The rollers of cylindrical roller bearings are usually guided by two ribs of a bearing ring. The cage, rollers and guide ring form an assembly that can be separated from another bearing ring and is a separable bearing. It is more convenient to install bearings and magnetic fields, especially when the interference fit between the inner and outer rings, the shaft and the shell is required. This type of bearing is generally only used to bear radial load. Only single row bearings with ribs on both the inner and outer rings can bear smaller axial load or large axial load intermittent. At ZMS, we specialize in providing high-quality cylindrical roller bearings. As a leading supplier in the industry, we offer a comprehensive selection of cylindrical roller bearings, including single-row, double-row, and four-row designs, engineered for both industrial and automotive applications.

Main series:

Single row cylindrical roller bearings.
Without ribs of outer ring and inner ring N,NU series.
With ribs both inner and outer rings, NF, NJ, NH, NUP series.
Without inner ring or without outer ring, RNU series, and RN series.

Double rows cylindrical roller bearings.
NN, NNU series.

Four rows cylindrical roller bearings.
BC4,BC4B series.

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Product Variant

Tandem Bearing

Single Row Cylindrical Roller Bearings

Double Row Cylindrical Roller Bearings

High Load Capacity

They typically have a high radial load capacity due to the large contact area between the rollers and the raceways. They can also handle some axial loads if designed with specific features. This makes them ideal for applications with significant radial forces, such as heavy machinery and gearboxes.

High Speed Capability

These bearings can operate at high speeds due to their design, which minimizes friction and the limiting speed is closing to deep groove ball bearing.

High Rigidity

They provide high rigidity and are less susceptible to deformation under load, making them suitable for applications requiring precise alignment and minimal deflection.

Ease of Maintenance

In terms of installation and induction, the design of the separable inner or outer ring of the cylindrical roller bearing greatly simplifies the installation and induction process and facilitates repair and replacement of damaged parts.

Cage material

When the D≤400mm, normally using steel plate stamping cage, when the D>400mm normally using brass solid cage. Four rows cylindrical roller bearings using brass solid cage or pin cage.

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Wide Range of Cylindrical Roller Bearings

We provide an extensive catalog of cylindrical roller bearings, including single row for standard applications, double row for higher load capacities, and multi-row bearings for maximum stability and support in high quality with precision from P0, P6, P5, P4 and best to P2 with longer working life and low noise.

Application

Large Motors‌: The application of cylindrical roller bearings in large motors can provide stable support and good heat dissipation performance, ensuring long-term stable operation of the motor.

‌Machine tool spindle‌: The use of cylindrical roller bearings on the machine tool spindle can provide high-precision and high-rigidity support to ensure machining accuracy and machine performance.

‌Engine front and rear support shafts‌: Short cylindrical roller bearings are used on the engine’s support shafts, which can withstand large radial loads and ensure stable operation of the engine.

‌Train Passenger Car Box Shaft Support‌: Short cylindrical roller bearings are used in train passenger car box shaft supports, which can withstand larger loads and impacts and ensure the safety and smooth operation of the vehicle.

Metallurgical equipment (rolling mills, continuous casting machines, trunnions, split bearings, transmission equipment, non-standard bearings) :Our four rows cylindrical roller bearings and two rows cylindrical roller bearings can meet the requirements of the entire metallurgical industry for bearings with high temperature, high speed, heavy load, dirt-resistant and and other rough mining conditions.We are on the process of submit the imported famous brand bearings.

Factory View

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