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precision tapered roller bearings
precision tapered roller bearings
4 row taper roller bearing

Four-Row Tapered Roller Bearings (Inch)

Four-Row Tapered Roller Bearings (Inch) feature four rows of tapered rollers, ideal for heavy-duty applications like rolling mills and gearboxes. Their design ensures high radial and axial load capacity, distributing loads evenly. With durability and reliability, these bearings provide stability under extreme conditions, essential for demanding industrial environments. When sourcing these bearings, it's crucial to partner with reputable taper roller bearing manufacturers who prioritize quality and precision engineering to ensure performance and longevity. WKB Bearings is your first choice.

Features of Four-Row Tapered Roller Bearings (Inch)


  • Quadruple Rows: Four-Row Tapered Roller Bearings (Inch) comprise four rows of tapered rollers, delivering superior radial and axial load handling capabilities for heavy-duty tasks.

  • Industrial Strength: Designed for robust applications like rolling mills and gearboxes, these bearings offer stability and longevity under high loads and extreme conditions.

  • Even Load Distribution: The four-row configuration ensures uniform load distribution across rollers, minimizing stress and promoting optimal performance.

  • Reliability: With their durable design, these bearings provide consistent performance, making them essential components in industries requiring reliable operation under challenging environments.



Specs of Four-Row Tapered Roller Bearings (Inch)



Tapered Roller Bearing Lubrication


247.650 mm-380.000 mm Four-Row Tapered Roller Bearings (Inch) Specs

Basic Size

Designation

Basic load rating
dynamic, static

Calculation Coefficient

Mass

d

D

T

B

d1≈

D1≈

r1.2min

r3.4min


C

C。

e

Y1

Y2

Y。


mm


kN

-

kg

247.650
9.7500

400.050

253.995

249.235

295

346

1.5

6.4

614096B

2920

6300

0.4

1.7

2.5

1.6

120

15.7500

9.9998

9.8124





(EE220975DW-1575-1576D)








254.000
10.0000

358.775

269.875

269.875

279

319

3.3

3..3

331275A

2860

7100

0.33

2

3

2

88.9

14.1250

10.6250

10.6250





(M249749DW-710-710D)








260.000
10.2362

440.000

298 .500

298.500

300

372

2.5

5

BT4B328551 /HA1

3910

7350

0.54

1.25

1.8

1.3

190

17.3228

11.7250

11.7250













266.700
10.5000

355.600

228 .600

230.188

288

318

1.5

3.3

330822B

2050

5600

0.37

1.8

2.7

1.8

65.5

14.0000

9.0000

9.0625





(76589DW-520-520D)








269.875
10.6250

381.000

282.575

282.575

296

339

3.3

3.3

BT4B331168B

3080

7500

0.33

2

3

2

105

15. 0000

11.1250

11.1250





(M252349DW-310-310D)








276.225
10.8750

393.700

269.875

269.878

302

351

1.5

6.4

331288

2970

6400

0.4

1.7

2.5

1.6

100

15.5000

10.6250

10.6251





(EE275109D-155-156D)








279.400
11.0000

381.000

269.875

269 .875

300

340

1.5

1.5

BT4B328293/HA1

2920

7500

0.35

1.9

2.9

1.8.

91

15. 0000

10.6250

10.6250













279.578
11.0070
279.578
11.0070

380.898

244.475

244.475

308

337

1.5

3.3

330540A

2290

6400

0.43

1.6

2.3

1.6

86

14.9960

9.6250

9.6250





(LM654644DW-610-610D)








380.898

244.475

244.475

308

337

1.5

3.3

330540AG

2290

6400

0.43

1.6

2.3

1.6

86

14.9960

9.6250

9.6250





(LM654644DGW-610-610D)








285.750
11.2500
285.750
11.2500

380.898

244.475

244.475

308

337

1.5

3.3

330337A

2290

6400

0.43

1.6

2.3

1.6

81

14.9960

9.6250

9.6250





(LM654648DW-610-610D)








380.898

244.475

244.475

308

337

1.5

3.3

330337AG

2290

6400

0.43

1.6

2.3

1.6

81

14. 9960

9.6250

9.6250





(LM654648DGW-610-610D)








288.925
11.3750
288.925
11.3750

406.400

298.450

298.450

314

361

3.3

3.3

BT4B331452/HA1

3580

9000

0.33

2

3

2

125

16. 0000

11.7500

11.7500





(M255449DW-410-410D)








406.400

298. .450

298.450

314

361

3.3

3.3

BT4B331452G/HA1

3580

9000

0.33

2

3

2

125

16.0000

11.7500

11.7500





(M255449DGW-410-410D)








300.000
11.8110
300.000
11.8110

440.000

279.400

280.988

334

380

3.3

4.8

BT4B328725G/HA1

3190

7800

0.43

1.6

2.3

1.6

145

17.3228

11.0000

11.0625













460.000

388.500

388.500

336

400

5

5

BT4B332472

5390

12500

0.33

2

3

2

240

18.1102

15.2953

15.2953













304.800
12.0000
304.800
1 2.0000

419.100

269.875

269.875.

328

378

1.5

6.4

BT4B331687 /HA1

3360

8150

0.33

2

3

2

112

16. 5000

10.6250

10.6250





(M257149DW-110-110D)








482.600

377.825

365.125

348

416

3.3

3.3

330693C

5010

10400

0.35

1.9

2.9

1.8

266

19.0000

14.8750

14.3750













304.902
12.0040
304.902
1 2.0040

412.648

266.700

266.700

329

371

3.3

3.3

330758A

3080

8000

0.31

2.2

3.3

2.2

105

16.2460

10.5000

10.5000





(M257 248DW-210-210D)








412.648

266.700

266.700

329

371

3.3

3.3

330758AG

3080

8000

0.31

2.2

3.3

2.2

105

16.2460

10.5000

10.5000 .





(M257248DGW-210-210D)








330.200
13.0000

444. 500

301.625

301.625.

357

401

3.3

3.3

BT4B332647G/HA1

3690

9650

0.33

2

3

2

135

17.5000

11.8750

11.8750





(M260149DGW-110-110D)








333.375
13.1250

469.900

342.900

342.900

365

419

3.3

3.3

331381

4570

11400

0.33

2

3

2

190

18.5000

13. 5000

13.5000





(HM261049DGW-010-010D)








342.900
13.5000

571.500

342.900

342.540

393

508

3.3

6.4

BT4B331553 /HA1

6270

11600

0.33

2

3

2

366

22.5000

13.5000

13.4858













343.052
13.5060
343.052
13.5060

457.098.

254.000

254.000

370

410

1.5

3.3

330661C

2810

6800

0.48

1.4

2.1

1.4

110

17.9960

10.0000

10.0000





(LM761649DG-610-610D)








457.098

254.000

254.000

370

410

1.5

3.3

330661CG

2810

6800

0.48

1.4

2.1

1.4

110

17.9960

10.0000

10.0000





(LM761649DGW-610-610D)








347.662
13.6875
347.662
13.6875

469.900

260.350

260.350

399

428

1.5

3.3

BT4B331077AG/HA1

3800

10200

0.33

2

3

2

130

18.5000

10.2500

10.2500





(LM262449DGW-410-410D)








469.900

292.100

292.100

377

426

3.3

3.3

331092A

3800

10200

0.33

2

3

2

150

18.5000

11.5000

11.5000





(M262449DGW-410-410D)








355.600
14.0000
355.600
14.0000

482.600

269.875

265.112

384

430

1.5

3.3

330662AG

3190

8000

0.48

1.4

2.1

1.4

140

19.0000

10.6250

10.4375





(LM763449DGW-410-410D)








488.950

317.500

317.500

392

439

1.5

3.3

331271

4130

11000

0.33

2

3

2

195

19.2500

12.5000

12.5000





(M263349DGW-310-310D)








360.000
14.1732
360.000
14.1732

510.000

380.000

380.000

393

454

2

6

332059

5610

14300

0.33

2

3

2

255

20.0787

14. 9606

14. .9606













540.000

280.000

280.000

400

478

5

5

BT4B328159 /HA1

4400

9000

0.44

1.5

2.3

1.4

230

21.2600

11.0236

11.0236













368.300
14.5000

523.875

382.588

382.588

402

464

3.3

6.4

331159A

5830

1 5000

0.33

2

3

2

275

20.6250

15.0625

15.0625





(HM265049DGW-010-010D)








374.650
14.7500

501.650

260.350

250.825

400

452

1.5

3.3

BT4B332188 /HA1

3360

8150

0.48

1.4

2.1

1.4

141

19.7500

10.2500 .

9.8750





(LM765149DGW-110-110D)








380.000
14.9606
380.000
14.9606
380.000
14.9606

560.000

325.000

325.000

417

504

2

5

BT4B328294/HA1

5500

11800

0.31

2.2

3.3

2.2

265

22.0472

12.7953

12.7953













560.000

360.000

360.000

417

497

2

6

BT4B328816/HA1

6160

13700

0.4

1.7

2.5

1.6

295

22.0472

14.1732

14.1732













620.000

368.000

368.000

433

538

6

6

BT4B332889 /HA1

7040

13700

0.43

1.6

2.3

1.6

438

24.4094

15.2165

15.2165















384.175 mm-510.000 mm Four-Row Tapered Roller Bearings (Inch) Specs

Basic SizeDesignationBasic load rating
dynamic, static
Calculation CoefficientMass
dDTBd1≈D1≈r1.2minr3.4min
CC。eY1Y2Y。
mm
kN-kg
384.175
15.1250
546.100400.050400.0504194843.36.4331149A
(HM266449DGW-410-410D)
6440166000.33232310
21.500015.750015.7500










395.000
15.5512
545.000288.900268.000440489510BT4B332824/HA1391095000.481.42.11.4195
21 .456711.374010.5512










409.575
16.1250
409.575
16.1250
546. 100334. .962334. .9624545231.56.4BT4B331333/HA1
(M667947DA-910-910D)
BT4B328967/HA1
4680132000.431.62.31.6220
21. 500013.187513.1875










546.100334.962334.9624545236.46.44460125000.431.62.31.6220
21.500013.187513.1875










415.925
16.3750
590.550434.975434.9754545233.36.4331160A
(M268749DGW-710-710D)
7210193000.33232395
23.250017.125017.1250










420.000
16.5354
420.000
16.5354
560.000437.000437 .00045050846BT4B328826G/HA1

BT4B328374/HA1
5830163000.312.23.32.2285
22.047317.204717.2047










620.000355.000355.000469553256440146000.312.23..32.2375
24.409413.976413.9764










431.800
17.0000
431.800
17.0000
635.000355.600.355.6004755686.46.4332060
(EE931070DGW-250-251XD)
BT4B334019G/HA1
6600150000.33232386
25.000014.000014.0000










635.000355.600440.0004755686.46.46600150000.33232405
25.000014.000017.3228










440.000
17.3228
440.000
17.3228
580.000420.000420.0004705284.56.7BT4B328829/HA1

332313
6050176000.262.63.92.5300
22.834616.535416. 5354










650.000353.500353.5004825676.46.466001 50000.33232410
25.590613.917313.9173










444.500
17.5000
571.500336.550336.5504705281.53.3BT4B3286704950143000.312.23.32.2216
22 500013.250013.2500










447.675
17.6250
635.000463.550463.5504885633.36.4330608C
(M270749DGW-710-710D)
8250220000.33232486
25.000018.250018.2500










457.073
17.9950
730.148419.100412.7505306371.56.4BT4B328287G/HA1
(EE671798DGW- 2873 -2875D)
8970196000.41.72.51.6630
28.746016. 500016.2500










457.200
18.0000
457.200
18.0000
596.900279.400276.2254875441.53.3331169A
(L770847DW-810-810D)
3311 69BG
(L770847DGW-810-810D)
4180108000.481.42.11.4.200
23.500011.000010.8750










596.900279.400276.2254875441.53.34180108000.481.42.11.4200
23.500011.000010.8750










479.425
18.8750
679.450495.300495.3005145673.36.4330886B
(M272749DGW-710-710D)
9350225000.33232605
26.750019.500019.5000










488.950
19.2500
622.300365.125365.12551557033BT4B328391G/HA15610173000.351.92.91.8266
24.500014.375014.3750










501.650
19.7500
501.650
19.7500
673. 100387.350400.0505386123.36.4BT4B331499G/HA1
(EE641198DGW- 265-266D)
331081A
(M274149DGW-110-110D)
7210193000.312.23.32.2395
26.500015.250015.7500



10200275000.33232755
711.200520.700520.7005466313.36.47210216000.312.23.32.2410
28.000020.500020.5000



11400310000.33232755
514.350
20.2500
673.100422.275422.2755496123.36.4331157A
(LM274449DGW-410-410D)
11700320000.33232835
26.500016.625016.6250



5720163000.33232375
519.112
20.4375
736.600536.575536.5755676533.36.4331078A
(M275349DGW-310-310D)
5720163000.33232400
29.000021.125021.1250



12100320000.332321000
536.575
21.1250
761.873558.800558.8005866753.36.4BT4B331174/HA1
(M276449DGW-410-410D)
9900300000.33232625
29.995022.000022.0000



16800365000.41.72.51.61920
540.000
21.2598
540.000
21.2598
690.000400.000400.00057163736331978

BT4B334038G/HA3
14700405000.332321235
27.165415.748015.7480



15700450000.332321430
690.000400.000434.0005656371512100365000.33232875
27.165415. 748017.0866



17200490000.332321 580
571.500
22.5000
812.800593.725593.7256257203.36.4330529B
(M278749DGW-710-710D)
6710224000.33232420
32.000023.375023.3750



14200415000.332321150
585.788
23.0625
771.525479.425479.4256257023.36.4331093A
(LM278849DGW-810-810D)
7210193000.312.23.32.2395
30.375018.875018.8750



10200275000.33232755
596.900
23.5000
980.000609.600604.8386868516.412. 7331566721021 6000.312.23.32.2410
38.582724.000023.8125



11400310000.33232755
603.250
23.6220
857.250622.300622.3006567603.36.4331625
(M280249DGW-210- 210XD)
11700320000.33232835
33.750024.500024.5000



5720163000.33232375
635.000
25.0000
901.700654.050654.050 ,6948003.36.4330990A
(M281049DGW-010-010D)
5720163000.33232400
35.500025.750025.7500



12100320000.332321000
646.112
25.4375
857.250542.925542.9256907763.36.4BT4B332671 /HA1
(LM281049DGW-310-310D)
9900300000.33232625
33.750021.375021.3750



16800365000.41.72.51.6920
657.225
25.8750
933.450676.275676.2757188273.36.4330824A
(M281649DGW-610-610D)
14700405000.332321235
36.750026.625026.6250



15700450000.332321430
660.400
26.0000
812.800356.125356.1256987513.36.4331190
(L281149DGW-110-110D)
12100365000.33232875
32.000014.375014.3750



17200490000.332321580
676.000
26.6142
910.000620.000620.00072582148BT4B332906/HA46710224000.33232420
35.826824.409424.4094



14200415000.332321150
254.000
10.0000
358.775257.175292.1003033433.31.5BT4B332610/HA1
(M249749-749DW-710D)
286071000.3323290.5
14.125010.125011.5000










279.400
11.0000
407.000288.000320.0003433883.51.5BT4B328345 /HA1
(M255449-440DW-411)
358090000.33232140
16.023611.338612.5984










317.500
12.5000
422.275261.938290.5143654056.51.5BT4B332642/HA1
(LM258649T-646TD-649G-610)
308081500.312.23.32.2110
16.625010.312511.4375










333.375
13.1250
469.900328.612366.7123983086.41.5BT4B328083 /HA14570114000.33232190
18.500012.937514.4375










347.662
13.6875
469. 900246.063280.1943994513.31.5331807336082800.33232142
18.50009.687511.0313










368.300
14.5000
523.875366.712411.1624404996.41.5BT4B3340115830150000.33232275
20.625014.437516.1875










384.175
15.1250
546.100384.175428.6254585206.41.5BT4B331809 /HA16440166000.33232310
21.500015.125016.8750










400.000
15.7480
540.000295.000330.000.4635203.31.53322974840125000.312.23.32.2210
21.259811.6142 .12.9921










406.400
16.0000
590. 5500381.000434.9754865619.71.5BT4B328923/HA16930166000.3323237 1
23.25001 5.000017.1250










415.925
16.3750
590.550419.100469.9004545236.41.5BT4B332814/HA17210193000.33232405
23.250016.500018.5000










43 1.800
17.0000
431.800
17.0000
571. 500320.675366.7134995506.41.5BT4B332590/HA1

BT4B332590/HA1
4950140000.441.52.31.4250
22.500012.625014.4375










647.700338.138387.3505175986.41.56600150000.33232420
25.500013.312515.2500










447.675
17.6250
635.000446.088496.8885346056.43.3BT4B328922/HA18250220000.33232486
14.000017. 5625.19.5625










450.000
17.7165
595.000352.000390.00052257361.5BT4B334147/HA15500163000.33232295
23.425213.858315.3543










482.600
19.0000
615.950317.500355.6005465966.41.5BT4B328268 /HA1
(M272249DW-249W-210D)
5120153000.33232252
24.250012.500014.0000










510.000
20.0787
655.000362.000405.0005806356.41.5BT4B328732/HA16270190000.33232330
25.787414.252015.9449











Contact Us
Contact WKB For Quality Rolling Bearings

Related Tapered Roller Bearings

No.17, South Road of Industrial Park, Wawo Town, Wafangdian City, Liaoning Prov. China
Chenysh@wkb-bearing.com +86-411-8552-9188