Cylindrical roller bearings

**Introduction to KOYO Cylindrical Roller Bearings: Precision, Durability, and Performance**

In the demanding world of industrial machinery, automotive systems, and precision equipment, reliability and efficiency are paramount. KOYO’s cylindrical roller bearings stand at the forefront of bearing technology, delivering unmatched performance in high-load, high-speed, and high-precision applications. Engineered with meticulous attention to detail, these bearings are designed to minimize friction, maximize load capacity, and ensure long service life—even under the most rigorous operating conditions.

### **Technical Features & Design Excellence**
KOYO cylindrical roller bearings are characterized by their robust construction and advanced engineering. Key features include:

– **High Radial Load Capacity**: The optimized roller and raceway geometry ensures even stress distribution, enabling the bearings to handle heavy radial loads with ease.
– **Low Friction & High-Speed Performance**: Precision-ground rollers and cages reduce friction and heat generation, allowing for smooth operation at elevated speeds.
– **Enhanced Rigidity & Stability**: The rigid design minimizes deflection under load, maintaining accuracy in precision applications such as machine tools and gearboxes.
– **Multiple Cage & Lubrication Options**: Depending on the application, KOYO offers bearings with pressed steel, machined brass, or polymer cages, along with grease or oil lubrication configurations for optimal performance.
– **Sealed & Shielded Variants**: For harsh environments, sealed or shielded versions protect against contaminants while retaining lubrication, extending bearing life in dusty or wet conditions.

### **Performance Advantages for Industrial & Automotive Applications**
KOYO cylindrical roller bearings are trusted across industries for their durability and efficiency. Their advantages include:

– **Extended Service Life**: Advanced heat treatment processes and high-quality materials reduce wear, ensuring longevity even in continuous operation.
– **Energy Efficiency**: Reduced friction lowers power consumption, contributing to energy savings in motors, conveyors, and other industrial systems.
– **Easy Maintenance**: Designed for minimal upkeep, these bearings reduce downtime and maintenance costs in critical applications.

### **Typical Applications**
Thanks to their versatility, KOYO cylindrical roller bearings are widely used in:

– **Industrial Machinery**: Gearboxes, pumps, compressors, and heavy-duty conveyors benefit from their high load capacity and reliability.
– **Automotive Systems**: Transmissions, wheel hubs, and differentials leverage their precision and durability for smooth, efficient power transmission.
– **Precision Equipment**: Machine tool spindles, robotics, and medical devices rely on their rigidity and low vibration for high-accuracy performance.

Whether in high-speed production lines, heavy-load industrial equipment, or precision automotive components, KOYO cylindrical roller bearings deliver the performance, durability, and efficiency needed to keep operations running smoothly. With a reputation for excellence, KOYO continues to set the standard in bearing innovation, ensuring optimal performance across a wide range of demanding applications.

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Bearing No. Classification[1] Classification[2]
NJ2318
Cylindrical roller bearings
Single-row
NJ2318R
Cylindrical roller bearings
Single-row
NJ418
Cylindrical roller bearings
Single-row
NJ219R
Cylindrical roller bearings
Single-row
NJ2219
Cylindrical roller bearings
Single-row
NJ2219R
Cylindrical roller bearings
Single-row
NJ319R
Cylindrical roller bearings
Single-row
NJ2319
Cylindrical roller bearings
Single-row
NJ419
Cylindrical roller bearings
Single-row
NJ220R
Cylindrical roller bearings
Single-row
NJ2220
Cylindrical roller bearings
Single-row
NJ2220R
Cylindrical roller bearings
Single-row
NJ320R
Cylindrical roller bearings
Single-row
NJ2320
Cylindrical roller bearings
Single-row
NJ2320R
Cylindrical roller bearings
Single-row
NJ420
Cylindrical roller bearings
Single-row
NJ421
Cylindrical roller bearings
Single-row
NJ222R
Cylindrical roller bearings
Single-row
NJ2222
Cylindrical roller bearings
Single-row
NJ2222R
Cylindrical roller bearings
Single-row
NJ2315R
Cylindrical roller bearings
Single-row
NJ415
Cylindrical roller bearings
Single-row
NJ216R
Cylindrical roller bearings
Single-row
NJ2216
Cylindrical roller bearings
Single-row