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
NU3052EMA
260 mm
400 mm
104 mm
104 mm
2500000 N
1580000 N
770 rpm
860 rpm
3 mm
NU1052MAC3
260 mm
400 mm
65 mm
65 mm
1040000 N
737000 N
1400 rpm
1700 rpm
3 mm
NU3052EMAC3
260 mm
400 mm
104 mm
104 mm
2500000 N
1580000 N
770 rpm
860 rpm
3 mm
NU252MA
260 mm
480 mm
80 mm
80 mm
1710000 N
1320000 N
1000 rpm
1200 rpm
4 mm
NUP252MAC3
260 mm
480 mm
65.075 mm
80 mm
1710000 N
1320000 N
930 rpm
1100 rpm
4 mm
NU1056MA
280 mm
420 mm
65 mm
65 mm
1080000 N
754000 N
1300 rpm
1600 rpm
3 mm
NU1056MAC3
280 mm
420 mm
65 mm
65 mm
1080000 N
754000 N
1300 rpm
1600 rpm
3 mm
NU1056MAC4
280 mm
420 mm
65 mm
65 mm
1080000 N
754000 N
1300 rpm
1600 rpm
3 mm
NU1056MAW49W98W3AC3
280 mm
420 mm
65 mm
65 mm
1090000 N
754000 N
1300 rpm
1600 rpm
4 mm
280RN91 R3
280 mm
460 mm
123.825 mm
123.825 mm
3700000 N
2410000 N
620 rpm
680 rpm
4 mm
280RN92 R3
280 mm
500 mm
165.1 mm
165.1 mm
5220000 N
3150000 N
570 rpm
610 rpm
5.2 mm
NF5158M
287.6 mm
440 mm
72 mm
72 mm
1740000 N
1030000 N
690 rpm
790 rpm
4 mm
NUP5159MA
292.100 mm
387.35 mm
50.875 mm
57.15 mm
1390000 N
750000 N
670 rpm
780 rpm
2.5 mm
NU1060MA
300 mm
460 mm
74 mm
74 mm
1420000 N
1000000 N
1200 rpm
1400 rpm
3 mm
NU1060MAC3
300 mm
460 mm
74 mm
74 mm
1420000 N
1000000 N
1200 rpm
1400 rpm
3 mm
300RN30 R3
300 mm
460 mm
118 mm
118 mm
3640000 N
1990000 N
600 rpm
660 rpm
4 mm
NUP5160MA
300 mm
480 mm
114.075 mm
127 mm
3670000 N
2380000 N
570 rpm
630 rpm
2.5 mm
NU5260MAW61
300 mm
540 mm
177.8 mm
177.8 mm
5590000 N
3930000 N
540 rpm
580 rpm
3 mm
NU5260MAW61C3
300 mm
540 mm
177.8 mm
177.8 mm
5590000 N
3930000 N
540 rpm
580 rpm
3 mm
N5161M
305 mm
460 mm
65 mm
65 mm
1950000 N
1280000 N
590 rpm
680 rpm
4 mm
NUP5161M
305 mm
460 mm
57.56 mm
65 mm
1950000 N
1280000 N
560 rpm
630 rpm
4 mm
NU1064MA
320.000 mm
480 mm
74 mm
74 mm
1500000 N
1020000 N
1100 rpm
1300 rpm
4 mm
320RN91 R3
320.000 mm
500 mm
130.2 mm
130.2 mm
4210000 N
2390000 N
550 rpm
600 rpm
4.1 mm
320NU92W45C
320.000 mm
580 mm
190.6 mm
190.6 mm
6790000 N
4020000 N
470 rpm
500 rpm
CAD