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British-system Four-row
Tapered Roller Bearing

British-system Four-row Tapered Roller Bearing

bore 304,902-380mm

Tapered roller bearing is designed in such a way that cone apexes of inner ring raceway, outer ring raceway and roller raceway intersects on one point of its central line. ZWA’s tapered roller bearings can be divided into both metric and imperial single-row, double-row and four-row series.

Basic Type

simple drawing of four row tapered roller bearing
simple drawing of four row tapered roller bearing

The Products include

British-system Four-row Tapered Roller Bearing
d 304,902-380mm
Basic Size Designation Basic load rating Calculation Coefficient Mass
d D T B d1≈ D1≈ r1.2min r3.4min dynamic static e Y1 Y2 Yo
C Co
mm kN - kg
304,902 412,648 266,700 266,700 329 371 3.3 3.3 330758A 3080 8000 0.31 2.2 3.3 2.2 105
12,0040 16,2460 10,5000 10,5000 329 371 3.3 3.3 (M257248DW-210-210D) 3080 8000 0.31 2.2 3.3 2.2 105
304,902 412,648 266,700 266,700 329 371 3.3 3.3 330758AG 3080 8000 0.31 2.2 3.3 2.2 105
12,0040 16,2460 10,5000 10,5000 329 371 3.3 3.3 (M257248DGW-210-210D) 3080 8000 0.31 2.2 3.3 2.2 105
330,200 444,500 301,625 301,625 357 401 3.3 3.3 BT4B332647G/HA1 3690 9650 0.33 2 3 2 135
13,0000 17,5000 11,8750 11,8750 357 401 3.3 3.3 (M260149DGW-110-110D) 3690 9650 0.33 2 3 2 135
333,375 469,900 342,900 342,900 365 419 3.3 3.3 331381 4570 11400 0.33 2 3 2 190
13,1250 18,5000 13,5000 13,5000 365 419 3.3 3.3 (HM261049DGW-010-010D) 4570 11400 0.33 2 3 2 190
342,900 571,500 342,900 342,940 393 508 3.3 6.4 BT4B331553/HA1 6270 11600 0.33 2 3 2 365
13,5000 22,5000 13,5000 13,4558 393 508 3.3 6.4 BT4B331553/HA1 6270 11600 0.33 2 3 2 365
343,052 457,098 254 254, 370 410 1.5 3.3 330661C 2810 6800 0.48 1.4 2.1 1.4 110
13,5060 17,9960 10,0000 10,0000 370 410 1.5 3.3 (LM761649DG-610-610D) 2810 6800 0.48 1.4 2.1 1.4 110
343,052 457,098 254 254 370 410 1.5 3.3 330661CG 2810 6800 0.48 1.4 2.1 1.4 110
13,5060 17,9960 10,0000 10,0000 370 410 1.5 3.3 (LM761649DGW-610-610D) 2810 6800 0.48 1.4 2.1 1.4 110
347,662 469,900 260,350 260,350 399 428 1.5 3.3 BT4B331077AG/HA1 3800 10200 0.33 2 3 2 130
13,6875 18,5000 10,2500 10,2500 399 428 1.5 3.3 (LM262449DGW-410-410D) 3800 10200 0.33 2 3 2 130
347,662 469,900 292,100 292,100 377 426 3.3 3.3 331092A 3800 10200 0.33 2 3 2 150
13,6875 18,5000 11,5000 11,5000 377 426 3.3 3.3 (M262449DG-410-410D) 3800 10200 0.33 2 3 2 150
355,600 482,600 269,875 265,114 384 430 1.5 3.3 330662AG 3190 8000 0.48 1.4 2.1 1.4 140
14,0000 19,0000 10,6250 10,4378 384 430 1.5 3.3 (LM763449DGW-410-410D) 3190 8000 0.48 1.4 2.1 1.4 140
355,600 488,950 317,500 317,500 392 439 1.5 3.3 331271 4130 11000 0.33 2 3 2 195
14,0000 19,2500 12,5000 12,5000 392 439 1.5 3.3 (M263349DGW-310-310D) 4130 11000 0.33 2 3 2 195
360 510 380 380 393 454 2 6 332059 5610 14300 0.33 2 3 2 255
14,1732 20,0787 14,9606 14,960,6 393 454 2 6 332059 5610 14300 0.33 2 3 2 255
360 540 280, 280, 400 478 5 5 BT4B328159/HA1 4400 9000 0.44 1.5 2.3 1.4 230
14,1732 21,2600 11,0236 11,0236 400 478 5 5 BT4B328159/HA1 4400 9000 0.44 1.5 2.3 1.4 230
368,300 523,875 382,588 382,588 402 464 3.3 6.4 331159A 5830 15000 0.33 2 3 2 275
14,5000 20,6250 15,0625 15,0625 402 464 3.3 6.4 (HM265049DGW-010-010D) 5830 15000 0.33 2 3 2 275
374,650 501,650 260,350 250,825 400 452 1.5 3.3 BT4B332188/HA1 3360 8150 0.48 1.4 2.1 1.4 140
14,7500 19,7500 10,2500 9,8750 400 452 1.5 3.3 BT4B332188/HA1 3360 8150 0.48 1.4 2.1 1.4 140
380 560 325 325 417 504 2 5 BT4B328294/HA1 5500 11800 0.31 2.2 3.3 2.2 265
14,9606 22,0472 12,7953 12,7953 417 504 2 5 BT4B328294/HA1 5500 11800 0.31 2.2 3.3 2.2 265
380 560 360 360 417 497 2 6 BT4B328816/HA1 6160 13700 0.40 1.7 2.5 1.6 295
14,9606 22,0472 14,1732 14,1732 417 497 2 6 BT4B328816/HA1 6160 13700 0.40 1.7 2.5 1.6 295
380 620 368 368 433 538 6 6 BT4B332889/HA1 7040 13700 0.43 1.6 2.3 1.6 438
14,9606 24,4094 15,2165 15,2165 433 538 6 6 BT4B332889/HA1 7040 13700 0.43 1.6 2.3 1.6 438

Targeting at producing high-end Bearings.

ZWA Chinese bearing manufacturer

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