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
700RX2862
700 mm
930 mm
620 mm
620 mm
763 mm
44400000 N
16920000 N
RX-1
820RX3263
820 mm
1130 mm
650 mm
650 mm
891 mm
52400000 N
23200000 N
RX-1
700RX2964A
700 mm
980 mm
700 mm
700 mm
774 mm
51200000 N
21000000 N
RX-1
820RX3264
820 mm
1130 mm
800 mm
800 mm
903 mm
68400000 N
27400000 N
RX-1
705RX3131B
705 mm
1066.905 mm
635 mm
635 mm
796 mm
45200000 N
22600000 N
RX-1
820RX3264A
820 mm
1130 mm
800 mm
800 mm
903 mm
68400000 N
27400000 N
RX-9
710RX3006
710 mm
1000 mm
715 mm
715 mm
787.5 mm
54400000 N
22800000 N
RX-1
820RX3264C
820 mm
1130 mm
825 mm
800 mm
903 mm
68400000 N
27400000 N
RX-8
730RX2922
730 mm
960 mm
620 mm
620 mm
790 mm
45200000 N
17500000 N
RX-1
820RX3264D
820 mm
1130 mm
825 mm
800 mm
903 mm
68400000 N
27400000 N
RX-10
730RX3064
730 mm
1030 mm
750 mm
750 mm
809 mm
59200000 N
24600000 N
RX-1
850RX3304
850 mm
1150 mm
840 mm
840 mm
928 mm
74800000 N
28800000 N
RX-1
730RX3064A
730 mm
1030 mm
750 mm
750 mm
809 mm
59200000 N
24600000 N
RX-11
850RX3365
850 mm
1180 mm
850 mm
850 mm
940 mm
72800000 N
29600000 N
RX-1
750RX3005
750 mm
1000 mm
670 mm
670 mm
813 mm
52000000 N
20400000 N
RX-1
863RX3445A
862.98 mm
1219.302 mm
876.3 mm
889 mm
956 mm
84000000 N
34600000 N
RX-1
760RX3166
760 mm
1080 mm
790 mm
790 mm
846 mm
63600000 N
26800000 N
RX-1
880RXK3364A
880 mm
1180 mm
750 mm
750 mm
945 mm
68000000 N
27400000 N
RXK-1
761RX3166B
760.925 mm
1079.6 mm
787.4 mm
787.4 mm
846 mm
64000000 N
26800000 N
RX-1
880RXK3366
880 mm
1180 mm
750 mm
750 mm
945.3 mm
66400000 N
26600000 N
RXK-2