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NINGBO RUNNING BEARINGS CO.,LTD.
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M283449DW/M283410/M283410D TIMKEN Four-Row Tapered Roller Bearin
| Payment Terms: | T/T,L/C,WU |
| Place of Origin: | Zhejiang, China (Mainland) |
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Product Detail
TQO bearings are directly mounted and comprised of two double innerraces,two single and one double outer race, with an inner race spacerand two outer
Four-Row Tapered Roller BearingsM283449DW/M283410/M283410D
Dimension: 730.25*1035.05*755.65mm, Weight: 2109 kg.
Four-row bearings provide maximum capacity in minimum space, combiningthe inherent high-load, radial/thrust capacity anddirect/indirectmounting variables of tapered roller bearings.
Their main application is on the roll necks of rolling millequipment.Allfour-row bearings are supplied as pre-set matched assemblies with allcomponents identified to ensure correct installation sequence.
Size range:
ID 123.022 mm to 1004.633 mm (4.8434 in. to 39.5525 in.)
OD 174.625 mm to 2032.000 mm (6.8750 mm to 80.0000 in.)
| Boundary Dimensions | Basicload ratings | Designations | Mass | ||||||||||||
| d | D | T | B | rmin(Axial) | rmin(Radial) | r1min(Axial) | r1min(Radial) | Cr | Cor | kg | |||||
| mm | in | mm | in | mm | in | mm | in | mm | KN | ||||||
| 460* | 625 | 421 | 421 | 3 | 3 | 9 | 9 | 8050 | 18400 | M271149D/M271110-M271110D | 375 | ||||
| 625* | 421 | 421 | 1.5 | 1.5 | 6.4 | 6.4 | 6450 | 16900 | M271149DW/M271110-M271110D-XRS/C9YB2 | 366 | |||||
| 462 | 18.189 | 596.9 | 23.5 | 330.2 | 13 | 330.2 | 13 | 3.3 | 3.3 | 6.4 | 6.4 | 5400 | 14500 | 3806/462 | 276 |
| 479.425 | 18.875 | 679.45 | 26.75 | 495.3 | 19.5 | 495.3 | 19.5 | 3.3 | 3.3 | 6.4 | 6.4 | 9850 | 25000 | M272749D/M272710-M272710D | 586 |
| 482.6 | 19 | 615.95 | 24.25 | 330.2 | 13 | 330.2 | 13 | 6.4 | 6.4 | 6.4 | 6.4 | 4860 | 15200 | LM272249DW/LM272210-LM272210D | 252 |
| 615.95 | 24.25 | 400 | 400 | 5.3 | 5.3 | 6.4 | 6.4 | 4700 | 16000 | 3806/482.6-XRS/HCEC9YAB | 299 | ||||
| 615.95 | 24.25 | 406.4 | 16 | 330.2 | 13 | 1 | 1 | 6.4 | 6.4 | 4860 | 15200 | 3806/482.6-1 | 251 | ||
| 615.95 | 24.25 | 419.1 | 16.5 | 330.2 | 13 | 3.5 | 3.5 | 6.4 | 6.4 | 5000 | 15200 | 3806/482.6-2 | 263 | ||
| 615.95 | 24.25 | 402.05 | 15.8287 | 402.05 | 15.8287 | 1 | 1 | 6.4 | 6.4 | 4800 | 13600 | 3806/482.6-3 | 246 | ||
| 615.95 | 24.25 | 420 | 16.5354 | 420 | 16.5354 | 1 | 1 | 6.4 | 6.4 | 5500 | 17100 | 3806/482.6-4 | 292 | ||
| 630 | 24.8031 | 420 | 16.5354 | 420 | 16.5354 | 3.3 | 3.3 | 6.4 | 6.4 | 6400 | 19000 | 3806/482.6-5 | 343 | ||
| 635 | 25 | 421 | 16.5748 | 421 | 16.5748 | 3 | 3 | 6.4 | 6.4 | 7250 | 20200 | M272449D/M272410-M272410D | 362 | ||
| 647.7 | 25.5 | 417.512 | 16.4375 | 417.512 | 16.4375 | 3.3 | 3.3 | 6.4 | 6.4 | 7200 | 19800 | M272647DW-M272610-M272610D | 401 | ||
| 622.3 | 24.5 | 365.125 | 14.375 | 365.125 | 14.375 | 3 | 3 | 3 | 3 | 5500 | 17000 | 3806/488X4 | 266 | ||
| 489.026 | 19.253 | 634.873 | 24.995 | 320.675 | 12.625 | 320.675 | 12.625 | 3.3 | 3.3 | 3.3 | 3.3 | 4750 | 12000 | LM772749DW/LM772710-LM772710D | 249 |
| 501.65 | 19.75 | 673.1 | 26.5 | 400.05 | 15.75 | 387.35 | 15.25 | 3.3 | 3.3 | 6.4 | 6.4 | 7000 | 19000 | EE641198D/641265-641266D | 687 |
| 711.2 | 28 | 520.7 | 20.5 | 520.7 | 20.5 | 3.3 | 3.3 | 6.4 | 6.4 | 9690 | 26900 | M274149DW/M274110-M274110D | 687 | ||
| 508 | 20 | 695.325 | 27.375 | 415.925 | 16.375 | 415.925 | 16.375 | 3.3 | 3.3 | 6.4 | 6.4 | 5800 | 19600 | LM274049DW/LM274010-LM274010D | 464 |
| 762 | 30 | 463.55 | 18.25 | 463.55 | 18.25 | 6.4 | 6.4 | 6.4 | 6.4 | 9800 | 27000 | EE531201D/531300-531301XD | 750 | ||
| 514.35 | 20.25 | 673.1 | 26.5 | 422.275 | 16.625 | 422.275 | 16.625 | 3.3 | 3.3 | 6.4 | 6.4 | 7000 | 21000 | LM274449DW/LM274410-LM274410D | 408 |
| 519.112 | 20.438 | 736.6 | 29 | 536.575 | 21.125 | 536.575 | 21.125 | 3.3 | 3.3 | 6.4 | 6.4 | 10800 | 30000 | LM275349D/LM275310-LM275310XD | 748 |
| 520.7 | 20.5 | 711.2 | 28 | 400.05 | 15.75 | 400.05 | 15.75 | 3.3 | 3.3 | 6.4 | 6.4 | 7200 | 19500 | LM275349D/LM275310-LM275310XD | 459 |
| 536.575 | 21.125 | 761.873 | 29.995 | 558.8 | 22 | 558.8 | 22 | 3.3 | 3.3 | 6.4 | 6.4 | 10800 | 31500 | M276449DW/M276410-M276410D | 832 |
| 558.8 | 22 | 736.6 | 29 | 322.265 | 12.6876 | 322.268 | 12.6877 | 3.3 | 3.3 | 6.4 | 6.4 | 6200 | 16000 | EE8432DW/843290-843291D | 372 |
| 736.6 | 29 | 409.575 | 16.125 | 409.575 | 16.125 | 3.3 | 3.3 | 6.4 | 6.4 | 6450 | 19800 | LM377449DW/LM377410-LM377410D | 478 | ||
| 736.6 | 29 | 455.612 | 17.9375 | 457.2 | 18 | 3.3 | 3.3 | 6.4 | 6.4 | 8400 | 23000 | LM277149DA/LM277110-LM277110D | 520 | ||
| 571.5 | 22.5 | 812.8 | 32 | 593.725 | 23.375 | 593.725 | 23.375 | 3.3 | 3.3 | 6.4 | 6.4 | 11800 | 31500 | M278749DW/M278710-M278710D | 998 |
| 584.2 | 23 | 730.25 | 28.75 | 342.9 | 13.5 | 349.25 | 13.75 | 1.5 | 1.5 | 3.3 | 3.3 | 6600 | 16500 | 3806/584.2 | 328 |
| 762 | 30 | 396.875 | 15.625 | 401.638 | 15.8125 | 3.3 | 3.3 | 6.4 | 6.4 | 7500 | 22300 | LM778549DW/LM778510-LM778510D | 486 | ||
| 901.7 | 35.5 | 523.08 | 20.5937 | 539.747 | 21.2499 | 3.3 | 3.3 | 9.7 | 9.7 | 12800 | 27500 | EE665231D/665355-665336D | 1250 | ||
| 558.8 | 22 | 736.6 | 29 | 409.575 | 16.125 | 409.575 | 16.125 | 3.3 | 3.3 | 6.4 | 6.4 | 6430 | 20500 | LM377449D/LM377410-LM377410D/HE | 460 |
| 736.6 | 29 | 409.575 | 16.125 | 409.575 | 16.125 | 3.3 | 3.3 | 6.4 | 6.4 | 6430 | 20500 | LM377449D/LM377410-LM377410D/HEC9 | 460 | ||
| 585.788 | 23.063 | 771.525 | 30.375 | 479.425 | 18.875 | 479.425 | 18.875 | 3.3 | 3.3 | 6.4 | 6.4 | 9000 | 24200 | LM278849D/LM278810-LM278810D-XRS | 600 |
| 771.525 | 33.25 | 479.425 | 24.25 | 479.425 | 24.25 | 3.3 | 3.3 | 6.4 | 6.4 | 10000 | 29800 | LM278849D/LM278810-LM278810D | 621 | ||
| 595.312 | 23.438 | 844.55 | 33.25 | 615.95 | 24.25 | 615.95 | 24.25 | 3.3 | 3.3 | 6.4 | 6.4 | 17200 | 38500 | M280049D/M280010-M280010D | 1180 |
| 596.9 | 23.5 | 980 | 38.5827 | 604.838 | 23.8125 | 609.6 | 24 | 6.4 | 6.4 | 12.7 | 12.7 | 16000 | 36000 | 3806/596.9 | 1910 |
| 603.25 | 23.75 | 857.25 | 33.75 | 622.3 | 24.5 | 622.3 | 24.5 | 8.7 | 12.7 | 8.3 | 6.5 | 14000 | 38900 | M280249DWA6/M280210A6-M280210D | 1168 |
| 857.25 | 33.75 | 622.3 | 24.5 | 622.3 | 24.5 | 3.3 | 3.3 | 6.4 | 6.4 | 14000 | 38900 | M280249D/M280210-M280210XD | 1168 | ||
| 609.6 | 24 | 787.4 | 31 | 361.95 | 14.25 | 361.95 | 14.25 | 3.3 | 3.3 | 6.4 | 6.4 | 7100 | 22000 | EE649241D/649310-649311D | 460 |
| 813.562 | 32.03 | 622.3 | 24.5 | 622.3 | 24.5 | 3.3 | 3.3 | 6.4 | 6.4 | 10500 | 30000 | 3806/609.6 | 716 | ||
| 863.6 | 34 | 660.4 | 26 | 660.4 | 26 | 3.3 | 3.3 | 6.4 | 6.4 | 14800 | 41000 | M280349D/M280310-M280310D | 1230 | ||
| 635 | 25 | 901.7 | 35.5 | 654.05 | 25.75 | 654.05 | 25.75 | 3.3 | 3.3 | 6.4 | 6.4 | 15000 | 44500 | M281049D/M281010-M281010D | 1430 |
| 646.112 | 25.438 | 857.25 | 33.75 | 542.925 | 21.375 | 542.925 | 21.375 | 3.3 | 3.3 | 6.4 | 6.4 | 11300 | 33500 | LM281049DW/LM281010-LM281010D | 859 |
| 657.225 | 25.875 | 933.45 | 36.75 | 676.275 | 26.625 | 676.275 | 26.625 | 3.3 | 3.3 | 6.4 | 6.4 | 16500 | 48500 | M281649D/M281610-M281610D | 1580 |
| 660.4 | 26 | 812.8 | 32 | 356.125 | 14.375 | 356.125 | 14.375 | 3.3 | 3.3 | 6.4 | 6.4 | 5300 | 19800 | L281149DW/L281110-L281110D | 403 |
| 679.45 | 26.75 | 901.7 | 35.5 | 552.45 | 21.75 | 552.45 | 21.75 | 3.3 | 3.3 | 6.4 | 6.4 | 12800 | 38500 | LM281849DW/LM281810-LM281810D | 980 |
| 682.625 | 26.875 | 965.2 | 38 | 701.675 | 27.625 | 701.675 | 27.625 | 3.3 | 3.3 | 6.4 | 6.4 | 17400 | 50000 | M282249D/M282210-M282210D | 1714 |
| 685.8 | 27 | 876.3 | 34.5 | 352.425 | 13.875 | 355.6 | 14 | SP | SP | 6.4 | 6.4 | 5800 | 14500 | 3806/685.8-XRS/HCC9 | 490 |
| 876.3 | 34.5 | 352.425 | 13.875 | 355.6 | 14 | 3.3 | 3.3 | 6.4 | 6.4 | 7500 | 19800 | EE655271DW/655345-655346D | 506 | ||
| 708.025 | 27.875 | 930.275 | 36.625 | 565.15 | 22.25 | 565.15 | 22.25 | 3.3 | 3.3 | SP | SP | 12000 | 38500 | LM282549DW/LM282510-LM282510D | 1040 |
| 711.2 | 28 | 914.4 | 36 | 317.5 | 12.5 | 317.5 | 12.5 | 3.3 | 3.3 | 6.4 | 6.4 | 7000 | 19200 | EE755281D/755360-755361D | 524 |
| 914.4 | 36 | 390 | 390 | SP | SP | 7.5 | 7.5 | 7900 | 20100 | 3806/711X4-XRS | 620 | ||||
| 714.375 | 28.125 | 1016 | 40 | 704.85 | 27.75 | 704.85 | 27.75 | 3.3 | 3.3 | 6.4 | 6.4 | 18500 | 52500 | M383240DGW/M383210-M383210D | 1940 |
| 717.55 | 28.25 | 946.15 | 37.25 | 565.15 | 22.25 | 565.15 | 22.25 | 3.3 | 3.3 | 6.4 | 6.4 | 13000 | 40000 | LM282847DW/M282810-M282810D | 1080 |
| 730.25 | 28.75 | 1035.05 | 40.75 | 755.65 | 29.75 | 755.65 | 29.75 | 3.3 | 3.3 | 6.4 | 6.4 | 19800 | 20200 | M283449DW/M283410-M283410D | 2160 |
| 749.3 | 29.5 | 990.6 | 39 | 605 | 23.8189 | 605 | 23.8189 | 3.3 | 3.3 | 6.4 | 6.4 | 14500 | 45000 | LM283649D/LM283610-LM283610D | 1240 |
| 1066.8 | 42 | 723.9 | 28.5 | 736.6 | 29 | SP | SP | 12.7 | 12.7 | 19500 | 58000 | EE325296DGW/325420-325421XD | 2240 | ||
| 762 | 30 | 1066.8 | 42 | 723.9 | 28.5 | 736.6 | 29 | SP | SP | 12.7 | 12.7 | 21000 | 58000 | M284148DW/M284111-M284110D | 2100 |
| 1079.5 | 42.5 | 787.4 | 31 | 787.4 | 31 | 4.8 | 4.8 | 12.7 | 12.7 | 21800 | 65000 | M284249DW/M284210-M284210D | 2490 | ||
| 812.8 | 32 | 1143 | 45 | 768.35 | 30.25 | 768.35 | 30.25 | 6.4 | 6.4 | 12.7 | 12.7 | 21000 | 62500 | 3806/812.8 | 2600 |
| 825.5 | 32.5 | 1168.4 | 46 | 844.55 | 33.25 | 844.55 | 33.25 | 4.8 | 4.8 | 12.7 | 12.7 | 25600 | 76000 | M285848DW/M285810-M285810D | 3040 |
| 863.6 | 34 | 1130.3 | 44.5 | 669.925 | 26.375 | 669.925 | 26.375 | 4.8 | 4.8 | 12.7 | 12.7 | 19500 | 61500 | LM286249DW/LM286210-LM286210D | 2000 |
| 1169.99 | 46.0625 | 844.55 | 33.25 | 844.55 | 33.25 | 4.8 | 4.8 | 12.7 | 12.7 | 23200 | 76000 | 3806/863.6 | 2690 | ||
| 1181.1 | 46.5 | 666.75 | 26.25 | 666.75 | 26.25 | 4.8 | 4.8 | 12.7 | 12.7 | 20000 | 56500 | LM286449D/LM286410-LM286410D | 2140 | ||
| 1219.2 | 48 | 876.3 | 34.5 | 889 | 35 | 4.8 | 4.8 | 12.7 | 12.7 | 27900 | 81000 | EE547341D/547480-547481D | 3480 | ||
| 877.888 | 34.563 | 1220 | 48.0315 | 844.55 | 33.25 | 844.55 | 33.25 | 4.8 | 4.8 | 12.7 | 12.7 | 25000 | 76000 | 3806/877X4 | 3090 |
| 901.7 | 35.5 | 1295.4 | 51 | 901.7 | 35.5 | 914.4 | 36 | 4.8 | 4.8 | 12.7 | 12.7 | 30000 | 86000 | EE634356D/634510-634510D | 4180 |
| 938.213 | 36.938 | 1270 | 50 | 825.5 | 32.5 | 825.5 | 32.5 | 4.8 | 4.8 | 12.7 | 12.7 | 25500 | 81000 | LM287649D/LM287610-LM287610D | 3220 |
| 939.8 | 37 | 1333.5 | 52.5 | 952.5 | 37.5 | 952.5 | 37.5 | 4.8 | 4.8 | 12.7 | 12.7 | 31500 | 94500 | LM287849DW/LM287810-LM287810D | 4500 |
| 1003.3 | 39.5 | 1358.9 | 53.5 | 800.1 | 31.5 | 800.1 | 31.5 | 4.8 | 4.8 | 12.7 | 12.7 | 27200 | 81000 | 3806/1003.3 | 3460 |
| 1139.83 | 44.875 | 1509.71 | 59.4375 | 923.925 | 36.375 | 923.925 | 36.375 | 4.8 | 4.8 | 12.7 | 12.7 | 33000 | 106000 | 3806/1139X4 | 4850 |
| 1200.15 | 47.25 | 1593.85 | 62.75 | 990.6 | 39 | 990.6 | 39 | 4.8 | 4.8 | 12.7 | 12.7 | 37500 | 124000 | LM288949D/LM288910-LM288910D | 5640 |
| 1346.2 | 53 | 1729.74 | 68.1 | 1143 | 45 | 1143 | 45 | 5 | 5 | 12 | 12 | 49000 | 162000 | 3806/1346.2 | 6970 |
Applications
Roll necks of high-speed rolling mills
Four-Row Tapered Roller Bearings 
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Company Info
NINGBO RUNNING BEARINGS CO.,LTD. [China (Mainland)]
Business Type:Manufacturer, Trading Company
City: Ningbo
Province/State: Zhejiang
Country/Region: China (Mainland)
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