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
NJ234EMA
170 mm
310 mm
52 mm
52 mm
822000 N
685000 N
1900 rpm
2200 rpm
4 mm
NJ234EMAC3
170 mm
310 mm
52 mm
52 mm
822000 N
685000 N
1900 rpm
2200 rpm
4 mm
NJ2334EMAWEW40W58B
170 mm
360 mm
120 mm
120 mm
2110000 N
1710000 N
1100 rpm
1200 rpm
3 mm
NJ2334EMAWE
170 mm
360 mm
120 mm
120 mm
2110000 N
1710000 N
1100 rpm
1200 rpm
3 mm
NU2334EMA
170 mm
360 mm
120 mm
120 mm
2110000 N
1710000 N
1100 rpm
1200 rpm
3 mm
NU1028MA
140 mm
210 mm
33 mm
33 mm
263000 N
201000 N
2700 rpm
3300 rpm
2 mm
NU1028MAC3
140 mm
210 mm
33 mm
33 mm
263000 N
201000 N
2700 rpm
3300 rpm
2 mm
NJ2228EMA
140 mm
250 mm
68 mm
68 mm
850000 N
650000 N
1800 rpm
2100 rpm
2.5 mm
NJ228EMA
140 mm
250 mm
42 mm
42 mm
526000 N
443000 N
2200 rpm
2600 rpm
2.5 mm
NU2228EMA
140 mm
250 mm
68 mm
68 mm
850000 N
650000 N
1800 rpm
2100 rpm
2.5 mm
NU228EMA
140 mm
250 mm
42 mm
42 mm
526000 N
443000 N
2200 rpm
2600 rpm
2.5 mm
NJ2228EMAC3
140 mm
250 mm
68 mm
68 mm
850000 N
650000 N
1800 rpm
2100 rpm
2.5 mm
NJ228EMAC3
140 mm
250 mm
42 mm
42 mm
526000 N
443000 N
2200 rpm
2600 rpm
2.5 mm
NU2228EMAC3
140 mm
250 mm
68 mm
68 mm
850000 N
650000 N
1800 rpm
2100 rpm
2.5 mm
NU228EMAC3
140 mm
250 mm
42 mm
42 mm
526000 N
443000 N
2200 rpm
2600 rpm
2.5 mm
NJ228EJ
140 mm
250 mm
42 mm
42 mm
526000 N
443000 N
2500 rpm
2900 rpm
2.5 mm
NU228EJ
140 mm
250 mm
42 mm
42 mm
526000 N
443000 N
2500 rpm
2900 rpm
2.5 mm
NJ2328EMA
140 mm
300 mm
102 mm
102 mm
1420000 N
1180000 N
1400 rpm
1600 rpm
3 mm
NJ328EMA
140 mm
300 mm
62 mm
62 mm
837000 N
771000 N
1900 rpm
2100 rpm
3 mm
NU2328EMA
140 mm
300 mm
102 mm
102 mm
1420000 N
1180000 N
1400 rpm
1600 rpm
3 mm
NU328EMA
140 mm
300 mm
62 mm
62 mm
837000 N
771000 N
1900 rpm
2100 rpm
3 mm
NJ2328EMAC3
140 mm
300 mm
102 mm
102 mm
1420000 N
1180000 N
1400 rpm
1600 rpm
3 mm
NJ328EMAC3
140 mm
300 mm
62 mm
62 mm
837000 N
771000 N
1900 rpm
2100 rpm
3 mm
NJ328EMAC4
140 mm
300 mm
62 mm
62 mm
837000 N
771000 N
1900 rpm
2100 rpm
3 mm