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
NJ238EMA
190 mm
340 mm
55 mm
55 mm
960000 N
777000 N
1600 rpm
1900 rpm
4 mm
NJ2236EMAC3
180 mm
320 mm
86 mm
86 mm
1520000 N
1140000 N
1300 rpm
1400 rpm
4 mm
NJ238EMAC3
190 mm
340 mm
55 mm
55 mm
960000 N
777000 N
1600 rpm
1900 rpm
4 mm
NJ236EMA
180 mm
320 mm
52 mm
52 mm
874000 N
711000 N
1800 rpm
2000 rpm
4 mm
NU2238EMA
190 mm
340 mm
92 mm
92 mm
1680000 N
1250000 N
1200 rpm
1300 rpm
4 mm
NJ236EMAC3
180 mm
320 mm
52 mm
52 mm
874000 N
711000 N
1800 rpm
2000 rpm
4 mm
NU238EMA
190 mm
340 mm
55 mm
55 mm
960000 N
777000 N
1600 rpm
1900 rpm
4 mm
NJ236EMAC4
180 mm
320 mm
52 mm
52 mm
874000 N
711000 N
1800 rpm
2000 rpm
4 mm
NU238EMAC3
190 mm
340 mm
55 mm
55 mm
960000 N
777000 N
1600 rpm
1900 rpm
4 mm
NU2334EMAC3
170 mm
360 mm
120 mm
120 mm
2110000 N
1710000 N
1100 rpm
1200 rpm
3 mm
NU236EMA
180 mm
320 mm
52 mm
52 mm
874000 N
711000 N
1800 rpm
2000 rpm
4 mm
NJ2338EMAC3
190 mm
400 mm
132 mm
132 mm
2500000 N
2060000 N
1000 rpm
1100 rpm
5 mm
NU2334EMAC4
170 mm
360 mm
120 mm
120 mm
2110000 N
1710000 N
1100 rpm
1200 rpm
3 mm
NU236EMAC3
180 mm
320 mm
52 mm
52 mm
874000 N
711000 N
1800 rpm
2000 rpm
4 mm
NU2338EMAC3
190 mm
400 mm
132 mm
132 mm
2500000 N
2060000 N
1000 rpm
1100 rpm
5 mm
170RN93 R3
170 mm
360 mm
139.7 mm
139.7 mm
2580000 N
1830000 N
1100 rpm
1200 rpm
4 mm
NJ2336EMA
180 mm
380 mm
126 mm
126 mm
2250000 N
1860000 N
1100 rpm
1200 rpm
4 mm
NU338EMA
190 mm
400 mm
78 mm
78 mm
1500000 N
1300000 N
1300 rpm
1500 rpm
5 mm
NJ2334EMAC3
170 mm
360 mm
120 mm
120 mm
2110000 N
1710000 N
1200 rpm
1300 rpm
4 mm
NJ2336EMAC3
180 mm
380 mm
126 mm
126 mm
2250000 N
1860000 N
1100 rpm
1200 rpm
4 mm