Cylindrical Roller Radial Bearings – Four-Row

**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 Bore d O.D. D Width B Width C DUR/DOR F/E Static Load Rating Co Dynamic Load Rating C1 Type
900RX3444
900 mm
1220 mm
840 mm
840 mm
989 mm
78800000 N
30200000 N
RX-1
770RX3151
770 mm
1075 mm
770 mm
770 mm
847 mm
62800000 N
26000000 N
RX-1
950RX3723
950 mm
1360 mm
1000 mm
1000 mm
1075 mm
108800000 N
43200000 N
RX-1
780RX3141
780 mm
1070 mm
780 mm
780 mm
853 mm
62400000 N
25400000 N
RX-1
1040RX3882
1040 mm
1439.89 mm
1000 mm
1000 mm
1133 mm
101200000 N
42600000 N
RX-7
800RX3165
800 mm
1080 mm
700 mm
700 mm
878 mm
59200000 N
22600000 N
RX-1
300RY2002
300 mm
500 mm
360 mm
360 mm
354.25 mm
10160000 N
6200000 N
RY-2
480RX2303B
480 mm
650 mm
450 mm
450 mm
525 mm
21960000 N
9540000 N
RX-1
690RX2965
690 mm
980 mm
715 mm
715 mm
767.5 mm
53200000 N
22400000 N
RX-1
330RX1922
330 mm
460 mm
340 mm
340 mm
365 mm
10840000 N
4980000 N
RX-1
500RX2345A
500 mm
670 mm
485 mm
450 mm
540 mm
22200000 N
9520000 N
RX-4
340RX1965A
340.000 mm
480 mm
310 mm
310 mm
378 mm
9640000 N
4660000 N
RX-5
500RX2345AC2
500 mm
670 mm
485 mm
450 mm
540 mm
22200000 N
9520000 N
RX-4
340RYL1963
340.000 mm
480 mm
350 mm
350 mm
378 mm
10880000 N
5180000 N
RY-3
500RX2422
500 mm
710 mm
480 mm
480 mm
558 mm
23800000 N
10780000 N
RX-1
340RX1965AC2
340.000 mm
480 mm
310 mm
310 mm
378 mm
9640000 N
4660000 N
RX-5
500RX2443
500 mm
720 mm
530 mm
530 mm
568 mm
28680000 N
12440000 N
RX-1
370RX2045
370 mm
520 mm
380 mm
380 mm
409 mm
14040000 N
6500000 N
RX-1
510RX2364
510 mm
680 mm
500 mm
500 mm
560 mm
26040000 N
10280000 N
RX-1
380RX2089
380 mm
540 mm
300 mm
300 mm
421 mm
10560000 N
5420000 N
RX-1
510RX2461
510 mm
730 mm
520 mm
520 mm
569 mm
27280000 N
12680000 N
RX-1
380RX2086A
380 mm
540 mm
400 mm
380 mm
422 mm
14360000 N
6840000 N
RX-6
530RX2522
530 mm
760 mm
520 mm
520 mm
587 mm
27680000 N
13080000 N
RX-1
380RX2087
380 mm
540 mm
400 mm
400 mm
422 mm
14760000 N
6900000 N
RX-1