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
NU20/670EMAW220
670 mm
980 mm
180 mm
180 mm
11100000 N
6170000 N
210 rpm
230 rpm
6 mm
NU20/670EMAW45BW50B
670 mm
980 mm
180 mm
180 mm
11100000 N
6170000 N
210 rpm
230 rpm
6 mm
NU30/670
670 mm
980 mm
230 mm
230 mm
14000000 N
7510000 N
210 rpm
230 rpm
6 mm
NJ28/710EAMAWEW229A
710 mm
870 mm
95 mm
95 mm
5110000 N
2200000 N
240 rpm
270 rpm
3 mm
NJ29/710MA
710 mm
950 mm
140 mm
140 mm
8190000 N
4020000 N
220 rpm
250 rpm
5 mm
NUP29/710M
710 mm
950 mm
120 mm
140 mm
7800000 N
3420000 N
210 rpm
230 rpm
5 mm
NJ29/710MAC3
710 mm
950 mm
140 mm
140 mm
8190000 N
4020000 N
220 rpm
250 rpm
6 mm
NU20/710EMAW220
710 mm
1030 mm
185 mm
185 mm
12300000 N
6780000 N
200 rpm
210 rpm
6 mm
NU20/750EMAW220
750 mm
1090 mm
195 mm
195 mm
13800000 N
7550000 N
180 rpm
190 rpm
6 mm
NU20/800EMAW40RW220
800 mm
1150 mm
200 mm
200 mm
14600000 N
8040000 N
170 rpm
180 rpm
6 mm
NUP19/950MA
950 mm
1250 mm
106.125 mm
132 mm
8520000 N
4360000 N
150 rpm
170 rpm
6 mm
NU19/950MA
950 mm
1250 mm
132 mm
132 mm
8520000 N
4360000 N
170 rpm
190 rpm
6 mm
T3-NU51/1340FNA
1340 mm
1540 mm
110 mm
110 mm
11800000 N
3650000 N
100 rpm
110 rpm
5 mm
NJ348EMA
240 mm
500 mm
95 mm
95 mm
2190000 N
1900000 N
930 rpm
1000 rpm
4 mm
NJ348MA
240 mm
500 mm
95 mm
95 mm
1950000 N
1430000 N
990 rpm
1100 rpm
4 mm
NU348EMA
240 mm
500 mm
95 mm
95 mm
2190000 N
1900000 N
930 rpm
1000 rpm
4 mm
NJ348EMAC3
240 mm
500 mm
95 mm
95 mm
2190000 N
1900000 N
930 rpm
1000 rpm
4 mm
NU348EMAC3
240 mm
500 mm
95 mm
95 mm
2190000 N
1900000 N
930 rpm
1000 rpm
4 mm
240RN03 R3
240 mm
500 mm
95 mm
95 mm
1930000 N
1560000 N
750 rpm
850 rpm
4.1 mm
NU2348EMA
240 mm
500 mm
155 mm
155 mm
3190000 N
2100000 N
760 rpm
850 rpm
4 mm
NJ348EMAW40RC3
240 mm
500 mm
95 mm
95 mm
2530000 N
2080000 N
990 rpm
1100 rpm
5 mm
NU348EMAW40RC3
240 mm
500 mm
95 mm
95 mm
2530000 N
2080000 N
990 rpm
1100 rpm
5 mm
NU1052AMAWEW37R
260 mm
400 mm
65 mm
65 mm
1040000 N
737000 N
1400 rpm
1700 rpm
3 mm
NU1052MA
260 mm
400 mm
65 mm
65 mm
1040000 N
737000 N
1400 rpm
1700 rpm
3 mm