The Timken Company
The Timken Company
4500 Mt Pleasant St. NW
N. Canton, OH 44720
Phone: (234) 262-3000
E-Mail: CustomerCAD@timken.com • Web site: www.timken.com
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Timken four-row cylindrical roller bearings are engineered for maximum performance in demanding applications that require high radial load capacity and durability. Their advanced multi-row design allows for optimal distribution of loads, reduced friction, and long service life even under continuous, high-speed operation. These bearings are the trusted choice due to their reliability and exceptional wear resistance.
Four-Row-Cylindrical-Roller-Bearings-Main_Family-Picture-2026
Four-Row Cylindrical Roller Bearing - RY-6-2
Unit of Measure
1 2 3 4 5 

Part Number

Bore (d)

O.D. (D)

Width (B)

Width (C)

DUR/DOR F/E

Static Radial Load Rating (C0)

Dynamic Radial Load Rating - 1M Revs (C1)

Type

CAD

340RYL1963 N/A 340 mm N/A 480 mm18.8976 in N/A 350 mm13.7795 in N/A 350 mm13.7795 in N/A 378 mm14.8819 in N/A 10880000 N2444000 lbf N/A 5180000 N1162000 lbf N/A RY-3 N/A
340RX1965AC2 N/A 340 mm N/A 480 mm18.8976 in N/A 310 mm12.2047 in N/A 310 mm12.2047 in N/A 378 mm14.8819 in N/A 9640000 N2164000 lbf N/A 4660000 N1048000 lbf N/A RX-5 N/A
370RX2045 N/A 370 mm N/A 520 mm20.4724 in N/A 380 mm14.9606 in N/A 380 mm14.9606 in N/A 409 mm16.1024 in N/A 14040000 N3156000 lbf N/A 6500000 N1460000 lbf N/A RX-1 N/A
380RX2089 N/A 380 mm N/A 540 mm21.2598 in N/A 300 mm11.8110 in N/A 300 mm11.8110 in N/A 421 mm16.5748 in N/A 10560000 N2368000 lbf N/A 5420000 N1218000 lbf N/A RX-1 N/A
380RX2087 N/A 380 mm N/A 540 mm21.2598 in N/A 400 mm15.7480 in N/A 400 mm15.7480 in N/A 422 mm16.6142 in N/A 14760000 N3316000 lbf N/A 6900000 N1552000 lbf N/A RX-1 N/A
390RX2088 N/A 390 mm N/A 540 mm21.2598 in N/A 320 mm12.5984 in N/A 320 mm12.5984 in N/A 431 mm16.9685 in N/A 11440000 N2576000 lbf N/A 5540000 N1248000 lbf N/A RX-1 N/A
390RY2103 N/A 390 mm N/A 550 mm21.6535 in N/A 400 mm15.7480 in N/A 400 mm15.7480 in N/A 432.204 mm17.0159 in N/A 13960000 N3136000 lbf N/A 6680000 N1500000 lbf N/A RY-2 N/A
400RX2123 N/A 400 mm N/A 560 mm22.0472 in N/A 410 mm16.1417 in N/A 410 mm16.1417 in N/A 445 mm17.5197 in N/A 16440000 N3700000 lbf N/A 7460000 N1676000 lbf N/A RX-1 N/A
400RX2123CF1 N/A 400 mm N/A 560 mm22.0472 in N/A 410 mm16.1417 in N/A 410 mm16.1417 in N/A 445 mm17.5197 in N/A 16440000 N3700000 lbf N/A 7460000 N1676000 lbf N/A RX-1 N/A
431RX2141 N/A 431.5 mm N/A 571.500 mm22.5000 in N/A 300 mm11.8110 in N/A 300 mm11.8110 in N/A 465 mm18.3071 in N/A 10600000 N2388000 lbf N/A 5200000 N1170000 lbf N/A RX-1 N/A
440RX2245 N/A 440 mm N/A 620 mm24.4094 in N/A 450 mm17.7165 in N/A 450 mm17.7165 in N/A 487 mm19.1732 in N/A 20200000 N4560000 lbf N/A 9100000 N2040000 lbf N/A RX-1 N/A
460RX2371 N/A 460 mm N/A 685 mm26.9685 in N/A 400 mm15.7480 in N/A 400 mm15.7480 in N/A 518 mm20.3937 in N/A 15880000 N3576000 lbf N/A 8780000 N1972000 lbf N/A RX-1 N/A
480RX2303B N/A 480 mm N/A 650 mm25.5906 in N/A 450 mm17.7165 in N/A 450 mm17.7165 in N/A 525 mm20.6693 in N/A 21960000 N4920000 lbf N/A 9540000 N2140000 lbf N/A RX-1 N/A
500RX2345AC2 N/A 500 mm N/A 670 mm26.378 in N/A 485 mm19.0945 in N/A 450 mm17.7165 in N/A 540 mm21.2598 in N/A 22200000 N5000000 lbf N/A 9520000 N2140000 lbf N/A RX-4 N/A
500RX2422 N/A 500 mm N/A 710 mm27.9528 in N/A 480 mm18.8976 in N/A 480 mm18.8976 in N/A 558 mm21.9685 in N/A 23800000 N5360000 lbf N/A 10780000 N2420000 lbf N/A RX-1 N/A
500RX2443 N/A 500 mm N/A 720 mm28.3465 in N/A 530 mm20.8661 in N/A 530 mm20.8661 in N/A 568 mm22.3622 in N/A 28680000 N6440000 lbf N/A 12440000 N2800000 lbf N/A RX-1 N/A
510RX2364 N/A 510 mm N/A 680 mm26.7717 in N/A 500 mm19.6850 in N/A 500 mm19.6850 in N/A 560 mm22.0472 in N/A 26040000 N5840000 lbf N/A 10280000 N2320000 lbf N/A RX-1 N/A
510RX2461 N/A 510 mm N/A 730 mm28.7402 in N/A 520 mm20.4724 in N/A 520 mm20.4724 in N/A 569 mm22.4016 in N/A 27280000 N6120000 lbf N/A 12680000 N2860000 lbf N/A RX-1 N/A
530RX2522 N/A 530 mm N/A 760 mm29.9213 in N/A 520 mm20.4724 in N/A 520 mm20.4724 in N/A 587 mm23.1102 in N/A 27680000 N6240000 lbf N/A 13080000 N2940000 lbf N/A RX-1 N/A
550RX2484 N/A 550 mm N/A 740 mm29.1339 in N/A 510 mm20.0787 in N/A 510 mm20.0787 in N/A 600 mm23.6220 in N/A 28400000 N6400000 lbf N/A 11780000 N2640000 lbf N/A RX-1 N/A
560RX2644 N/A 560 mm N/A 820 mm32.2835 in N/A 600 mm23.6220 in N/A 600 mm23.6220 in N/A 625 mm24.6063 in N/A 34240000 N7720000 lbf N/A 16180000 N3640000 lbf N/A RX-1 N/A
571RX2622 N/A 571.1 mm N/A 812.97 mm32.0067 in N/A 594 mm23.3858 in N/A 594 mm23.3858 in N/A 636 mm25.0394 in N/A 35000000 N7880000 lbf N/A 15440000 N3480000 lbf N/A RX-1 N/A
600RX2643A N/A 600 mm N/A 820 mm32.2835 in N/A 575 mm22.6378 in N/A 575 mm22.6378 in N/A 660 mm25.9843 in N/A 36120000 N8120000 lbf N/A 14780000 N3320000 lbf N/A RX-1 N/A
600RX2643B N/A 600 mm N/A 820 mm32.2835 in N/A 575 mm22.6378 in N/A 575 mm22.6378 in N/A 660 mm25.9843 in N/A 36120000 N8120000 lbf N/A 14780000 N3320000 lbf N/A RX-9 N/A
600RX2744 N/A 600 mm N/A 870 mm34.2520 in N/A 640 mm25.1969 in N/A 640 mm25.1969 in N/A 672 mm26.4567 in N/A 40000000 N9000000 lbf N/A 18040000 N4060000 lbf N/A RX-1 N/A
Unit of Measure
1 2 3 4 5