Cylindrical Roller Radial Bearings – Single Row ISO

**TIMKEN Cylindrical Roller Bearings: Engineered for High Performance and Reliability**

TIMKEN cylindrical roller bearings are precision-engineered solutions designed to deliver exceptional radial load capacity, durability, and efficiency in demanding industrial and automotive applications. As a leader in mechanical power transmission and bearing technology, TIMKEN has perfected the design of these bearings to meet the rigorous demands of heavy machinery, high-speed equipment, and precision systems.

### **Technical Features & Design Advantages**
TIMKEN cylindrical roller radial bearings feature a robust construction with cylindrical rollers guided by high-strength cages, ensuring optimal load distribution and reduced friction. Key design elements include:

– **High Radial Load Capacity:** The line-contact design between rollers and raceways maximizes load-bearing efficiency, making these bearings ideal for applications with heavy radial loads.
– **Precision Engineering:** Tight tolerances and superior surface finishes minimize vibration and noise, enhancing performance in precision equipment such as machine tools and gearboxes.
– **Enhanced Cage Designs:** Options include brass, steel, or polymer cages to accommodate high speeds, extreme temperatures, or corrosive environments.
– **Interchangeability & Configurations:** Available in single-row, double-row, and multi-row designs, with separable or non-separable inner/outer rings for easier installation and maintenance.
– **Specialized Coatings & Materials:** Advanced heat treatment processes and corrosion-resistant coatings extend service life in harsh conditions, such as mining or marine environments.

### **Performance Benefits**
TIMKEN cylindrical roller bearings outperform competitors by delivering:
– **Extended Service Life:** Reduced wear and optimized lubrication retention lower maintenance frequency.
– **High-Speed Capability:** Precision-balanced components minimize heat generation, allowing stable operation at elevated RPMs.
– **Energy Efficiency:** Low friction design reduces power consumption, contributing to sustainable operations.
– **Versatility:** Customizable bore sizes, seals, and lubrication options ensure compatibility with diverse applications.

### **Typical Applications**
These bearings are widely used across industries, including:
– **Industrial Machinery:** Gearboxes, pumps, compressors, and conveyor systems requiring high radial stiffness.
– **Automotive Systems:** Wheel hubs, transmissions, and electric vehicle drivetrains demanding durability and efficiency.
– **Precision Equipment:** CNC spindles, printing presses, and robotics where accuracy and smooth operation are critical.

TIMKEN’s cylindrical roller bearings represent a blend of innovation and reliability, ensuring optimal performance even in the most challenging environments. By leveraging advanced materials and precision manufacturing, TIMKEN continues to set the standard for mechanical power transmission solutions worldwide.

For engineers and maintenance professionals seeking dependable, high-performance bearings, TIMKEN cylindrical roller bearings offer a proven solution for maximizing uptime and operational efficiency.

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Part Number Rows per Set d - Bore D - Outer Diameter Bearing Width Total Width Contact Angle C0 - Static Radial Rating (per row) Ce - Dynamic Radial Rating (per row) Ball Type
NJ2318EJ
90 mm
190 mm
64 mm
64 mm
544000 N
497000 N
2900 rpm
3300 rpm
2.5 mm
NU2319EMA
95 mm
200 mm
67 mm
67 mm
593000 N
525000 N
2500 rpm
2800 rpm
2.5 mm
NJ318EMAC4
90 mm
190 mm
43 mm
43 mm
362000 N
359000 N
3500 rpm
4000 rpm
3 mm
NU319EMA
95 mm
200 mm
45 mm
45 mm
395000 N
379000 N
3100 rpm
3500 rpm
2.5 mm
NJ219EMA
95 mm
170 mm
32 mm
32 mm
271000 N
248000 N
3100 rpm
3600 rpm
2 mm
NJ2319EMAC3
95 mm
200 mm
67 mm
67 mm
593000 N
525000 N
2500 rpm
2800 rpm
2.5 mm
NJ2219EMA
95 mm
170 mm
43 mm
43 mm
378000 N
324000 N
2700 rpm
3100 rpm
2 mm
NJ2319EMAC4
95 mm
200 mm
67 mm
67 mm
593000 N
525000 N
2500 rpm
2800 rpm
2.5 mm
NU219EMA
95 mm
170 mm
32 mm
32 mm
271000 N
248000 N
3100 rpm
3600 rpm
2 mm
NJ319EMAC4
95 mm
200 mm
45 mm
45 mm
395000 N
379000 N
4600 rpm
5400 rpm
2.5 mm
NU2219EMA
95 mm
170 mm
43 mm
43 mm
378000 N
324000 N
2700 rpm
3100 rpm
2 mm
NU2319EMAC3
95 mm
200 mm
67 mm
67 mm
593000 N
525000 N
2500 rpm
2800 rpm
2.5 mm
NJ2219EMAC3
95 mm
170 mm
43 mm
43 mm
378000 N
324000 N
2700 rpm
3100 rpm
2 mm
NU319EMAC4
95 mm
200 mm
45 mm
45 mm
395000 N
379000 N
3100 rpm
3500 rpm
2.5 mm
NJ2318EMAC3
90 mm
190 mm
64 mm
64 mm
544000 N
497000 N
2600 rpm
3000 rpm
2.5 mm
NU2219EMAC3
95 mm
170 mm
43 mm
43 mm
378000 N
324000 N
2700 rpm
3100 rpm
2 mm
NJ319EMAC3
95 mm
200 mm
45 mm
45 mm
395000 N
379000 N
4600 rpm
5400 rpm
2.5 mm
NU2217EMAC3
85 mm
150 mm
36 mm
36 mm
282000 N
244000 N
3200 rpm
3600 rpm
2 mm
NU218EMA
90 mm
160 mm
30 mm
30 mm
225000 N
206000 N
3300 rpm
3900 rpm
2 mm
NJ217EMAC4
85 mm
150 mm
28 mm
28 mm
201000 N
186000 N
3900 rpm
4600 rpm
2 mm