zwa
British-system Four-row
Tapered Roller Bearing
bore 254-510mm
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
The products include
| British-system Four-row Tapered Roller Bearing | |||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| d 254-510mm | |||||||||||||||
| 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 | ||||||||||||
| 254 | 358,775 | 257,175 | 292,100 | 303 | 343 | 3.5 | 1.5 | BT4B332610/HA1 | 2860 | 7100 | 0.33 | 2 | 3 | 2 | 90.5 |
| 10,0000 | 14,1250 | 10,1250 | 11,5000 | 303 | 343 | 3.5 | 1.5 | (M249749-749DW-710D) | 2860 | 7100 | 0.33 | 2 | 3 | 2 | 90.5 |
| 279,400 | 407 | 288 | 320 | 343 | 388 | 3.5 | 1.5 | BT4B328345/HA1 | 3580 | 9000 | 0.33 | 2 | 3 | 2 | 140 |
| 11,0000 | 16,0236 | 11,3386 | 12,5984 | 343 | 388 | 3.5 | 1.5 | (M255449-440DW-411) | 3580 | 9000 | 0.33 | 2 | 3 | 2 | 140 |
| 317,500 | 422,275 | 261,938 | 290,514 | 365 | 405 | 6.5 | 1.5 | BT4B332642/HA1 | 3080 | 8150 | 0.31 | 2.2 | 3.3 | 2.2 | 110 |
| 12,5000 | 16,6250 | 10,3125 | 11,4375 | 365 | 405 | 6.5 | 1.5 | (LM258649T-646TD-649G-610) | 3080 | 8150 | 0.31 | 2.2 | 3.3 | 2.2 | 110 |
| 333,375 | 469,900 | 328,612 | 366,712 | 398 | 308 | 6.4 | 1.5 | BT4B328083/HA1 | 4570 | 11400 | 0.33 | 2 | 3 | 2 | 190 |
| 13,1250 | 18,5000 | 12,9375 | 14,4375 | 398 | 308 | 6.4 | 1.5 | BT4B328083/HA1 | 4570 | 11400 | 0.33 | 2 | 3 | 2 | 190 |
| 347,662 | 469,900 | 246,063 | 280,194 | 399 | 451 | 3.3 | 1.5 | 331807 | 3360 | 8250 | 0.33 | 2 | 3 | 2 | 135 |
| 13,6875 | 18,5000 | 9,6875 | 11,0313 | 399 | 451 | 3.3 | 1.5 | 331807 | 3360 | 8250 | 0.33 | 2 | 3 | 2 | 135 |
| 368,300 | 523,875 | 366,712 | 411,162 | 440 | 499 | 6.4 | 1.5 | BT4B334011 | 5830 | 15000 | 0.33 | 2 | 3 | 2 | 275 |
| 14,5000 | 20,6250 | 14,4375 | 16,1875 | 440 | 499 | 6.4 | 1.5 | BT4B334011 | 5830 | 15000 | 0.33 | 2 | 3 | 2 | 275 |
| 384,175 | 546,100 | 384,175 | 428,625 | 458 | 520 | 6.4 | 1.5 | 332297 | 6440 | 16600 | 0.33 | 2 | 3 | 2 | 300 |
| 15,1250 | 21,5000 | 15,1250 | 16,8750 | 458 | 520 | 6.4 | 1.5 | 332297 | 6440 | 16600 | 0.33 | 2 | 3 | 2 | 300 |
| 400 | 540 | 295 | 330 | 463 | 520 | 3.3 | 1.5 | BT4B328923/HA1 | 4840 | 12500 | 0.31 | 2.2 | 3.3 | 2.2 | 210 |
| 15,7480 | 21,2598 | 11,6142 | 12,9921 | 463 | 520 | 3.3 | 1.5 | BT4B328923/HA1 | 4840 | 12500 | 0.31 | 2.2 | 3.3 | 2.2 | 210 |
| 406,400 | 590,550 | 381 | 434,975 | 486 | 531 | 9.7 | 1.5 | BT4B328923/HA1 | 6930 | 16600 | 0.33 | 2 | 3 | 2 | 370 |
| 16,0000 | 23,2500 | 15,0000 | 17,1250 | 486 | 531 | 9.7 | 1.5 | BT4B328923/HA1 | 6930 | 16600 | 0.33 | 2 | 3 | 2 | 370 |
| 415,925 | 590,550 | 419,100 | 469,900 | 454 | 523 | 6.4 | 1.5 | BT4B332814/HA1 | 7210 | 19300 | 0.33 | 2 | 3 | 2 | 405 |
| 16,3750 | 23,2500 | 16,5000 | 18,5000 | 454 | 523 | 6.4 | 1.5 | BT4B332814/HA1 | 7210 | 19300 | 0.33 | 2 | 3 | 2 | 405 |
| 431,800 | 571,500 | 320,675 | 366,713 | 499 | 550 | 6.4 | 1.5 | 331999 | 4950 | 14000 | 0.44 | 1.5 | 2.3 | 1.4 | 250 |
| 17,0000 | 22,5000 | 12,6250 | 14,4375 | 499 | 550 | 6.4 | 1.5 | 331999 | 4950 | 14000 | 0.44 | 1.5 | 2.3 | 1.4 | 250 |
| 431,800 | 647,700 | 338,138 | 387,350 | 517 | 598 | 6.4 | 1.5 | BT4B332590/HA1 | 6600 | 15000 | 0.33 | 2 | 3 | 2 | 420 |
| 17,0000 | 25,5000 | 13,3125 | 15,2500 | 517 | 598 | 6.4 | 1.5 | BT4B332590/HA1 | 6600 | 15000 | 0.33 | 2 | 3 | 2 | 420 |
| 447,675 | 635,000 | 446,088 | 496,888 | 534 | 605 | 6.4 | 1.5 | BT4B328922/HA1 | 8250 | 22000 | 0.33 | 2 | 3 | 2 | 475 |
| 17,6250 | 25,0000 | 17,5625 | 19,5625 | 534 | 605 | 6.4 | 1.5 | BT4B328922/HA1 | 8250 | 22000 | 0.33 | 2 | 3 | 2 | 475 |
| 450 | 595 | 352 | 390 | 522 | 573 | 6 | 1.5 | BT4B334147/HA1 | 5500 | 16300 | 0.33 | 2 | 3 | 2 | 295 |
| 17,7165 | 23,4252 | 13,8583 | 15,3543 | 522 | 573 | 6 | 1.5 | BT4B334147/HA1 | 5500 | 16300 | 0.33 | 2 | 3 | 2 | 295 |
| 482,600 | 615,950 | 317,500 | 355,600 | 546 | 596 | 6.4 | 1.5 | BT4B328268/HA1 | 5120 | 15300 | 0.33 | 2 | 3 | 2 | 245 |
| 19,0000 | 24,2500 | 12,5000 | 14,0000 | 546 | 596 | 6.4 | 1.5 | (M272249DW-249W-210D) | 5120 | 15300 | 0.33 | 2 | 3 | 2 | 245 |
| 510 | 655 | 362 | 405 | 580 | 635 | 6.4 | 1.5 | BT4B328732/HA1 | 6270 | 19000 | 0.33 | 2 | 3 | 2 | 330 |
| 20,0787 | 25,7874 | 14,2520 | 15,9449 | 580 | 635 | 6.4 | 1.5 | BT4B328732/HA1 | 6270 | 19000 | 0.33 | 2 | 3 | 2 | 330 |
