ZWA
British-system Four-row
Tapered Roller Bearing
bore 247,650-304,800mm
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 247,650-304,800mm | |||||||||||||||
| 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 | ||||||||||||
| 247,650 | 400,050 | 253,995 | 249,235 | 295 | 346 | 1.5 | 6.4 | 614096B | 2920 | 6300 | 0.40 | 1.7 | 2.5 | 1.6 | 120 |
| 9,7500 | 15,7500 | 9,9998 | 9,8124 | 295 | 346 | 1.5 | 6.4 | (EE220975DW-1575-1576D) | 2920 | 6300 | 0.40 | 1.7 | 2.5 | 1.6 | 120 |
| 254 | 358,775 | 269,875 | 269,875 | 279 | 319 | 1.5 | 3.3 | 331275A | 2860 | 7100 | 0.33 | 2 | 3 | 2 | 88.0 |
| 10,0000 | 14,1250 | 10,6250 | 10,6250 | 279 | 319 | 1.5 | 3.3 | (M249749DW-710-710D) | 2860 | 7100 | 0.33 | 2 | 3 | 2 | 88.0 |
| 260 | 440 | 298,500 | 298,500 | 300 | 372 | 2.5 | 5 | BT4B328551/HA1 | 3910 | 7350 | 0.54 | 1.25 | 1.8 | 1.3 | 190 |
| 10,2362 | 17,3228 | 11,7250 | 11,7250 | 300 | 372 | 2.5 | 5 | BT4B328551/HA1 | 3910 | 7350 | 0.54 | 1.25 | 1.8 | 1.3 | 190 |
| 266,700 | 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 |
| 10,5000 | 14,0000 | 9,0000 | 9,0663 | 288 | 318 | 1.5 | 3.3 | (76589DW-520-520D) | 2050 | 5600 | 0.37 | 1.8 | 2.7 | 1.8 | 65.5 |
| 269,875 | 381,000 | 282,575 | 282,575 | 296 | 339 | 3.3 | 3.3 | BT4B331168B | 3080 | 7500 | 0.33 | 2 | 3 | 2 | 105 |
| 10,6250 | 15,0000 | 11,1250 | 11,1250 | 296 | 339 | 3.3 | 3.3 | (M252349DW-310-310D) | 3080 | 7500 | 0.33 | 2 | 3 | 2 | 105 |
| 276,225 | 393,700 | 269,875 | 269,875 | 302 | 351 | 1.5 | 6.4 | 331288 | 2970 | 6400 | 0.40 | 1.7 | 2.5 | 1.6 | 100 |
| 10,8750 | 15,5000 | 10,6250 | 10,6251 | 302 | 351 | 1.5 | 6.4 | (EE275109D-155-156D) | 2970 | 6400 | 0.40 | 1.7 | 2.5 | 1.6 | 100 |
| 279,400 | 381 | 269,875 | 269,875 | 300 | 340 | 1.5 | 3.3 | BT4B328293/HA1 | 2920 | 7500 | 0.35 | 1.9 | 2.9 | 1.8 | 91.0 |
| 11,0000 | 15,0000 | 10,6250 | 10,6250 | 300 | 340 | 1.5 | 3.3 | BT4B328293/HA1 | 2920 | 7500 | 0.35 | 1.9 | 2.9 | 1.8 | 91.0 |
| 279,578 | 380,898 | 244,475 | 244,475 | 308 | 337 | 1.5 | 3.3 | 330540A | 2290 | 6400 | 0.43 | 1.6 | 2.3 | 1.6 | 86.0 |
| 11,0070 | 14,9960 | 9,6250 | 9,6250 | 308 | 337 | 1.5 | 3.3 | (LM654644DW-610-610D) | 2290 | 6400 | 0.43 | 1.6 | 2.3 | 1.6 | 86.0 |
| 279,578 | 380,898 | 244,475 | 244,475 | 308 | 337 | 1.5 | 3.3 | 330540AG | 2290 | 6400 | 0.43 | 1.6 | 2.3 | 1.6 | 86.0 |
| 11,0070 | 14,9960 | 9,6250 | 9,6250 | 308 | 337 | 1.5 | 3.3 | (LM654644DGW-610-610D) | 2290 | 6400 | 0.43 | 1.6 | 2.3 | 1.6 | 86.0 |
| 285,750 | 380,898 | 244,475 | 244,475 | 308 | 337 | 1.5 | 3.3 | 330337A | 2290 | 6400 | 0.43 | 1.6 | 2.3 | 1.6 | 81.0 |
| 11,2500 | 14,9960 | 9,6250 | 9,6250 | 308 | 337 | 1.5 | 3.3 | (LM654648DW-610-610D) | 2290 | 6400 | 0.43 | 1.6 | 2.3 | 1.6 | 81.0 |
| 285,750 | 380,898 | 244,475 | 244,475 | 308 | 337 | 1.5 | 3.3 | 330337AG | 2290 | 6400 | 0.43 | 1.6 | 2.3 | 1.6 | 81.0 |
| 11,2500 | 14,9960 | 9,6250 | 9,6250 | 308 | 337 | 1.5 | 3.3 | (LM654648DGW-610-610D) | 2290 | 6400 | 0.43 | 1.6 | 2.3 | 1.6 | 81.0 |
| 288,925 | 406,400 | 298,450 | 298,450 | 314 | 361 | 3.3 | 3.3 | BT4B331452/HA1 | 3580 | 9000 | 0.33 | 2 | 3 | 2 | 125 |
| 11,3750 | 16,0000 | 11,7500 | 11,7500 | 314 | 361 | 3.3 | 3.3 | (M255449DW-410-410D) | 3580 | 9000 | 0.33 | 2 | 3 | 2 | 125 |
| 288,925 | 406,400 | 298,450 | 298,450 | 314 | 361 | 3.3 | 3.3 | BT4B331452G/HA1 | 3580 | 9000 | 0.33 | 2 | 3 | 2 | 125 |
| 11,3750 | 16,0000 | 11,7500 | 11,7500 | 314 | 361 | 3.3 | 3.3 | (M255449DGW-410-410D) | 3580 | 9000 | 0.33 | 2 | 3 | 2 | 125 |
| 300 | 440 | 279,400 | 280,988 | 334 | 380 | 3.3 | 4.8 | BT4B328725G/HA1 | 3190 | 7800 | 0.43 | 1.6 | 2.3 | 1.6 | 145 |
| 11,8110 | 17,3228 | 11,0000 | 11,0625 | 334 | 380 | 3.3 | 4.8 | BT4B328725G/HA1 | 3190 | 7800 | 0.43 | 1.6 | 2.3 | 1.6 | 145 |
| 300 | 460 | 388,500 | 388,500 | 336 | 400 | 5 | 5 | BT4B332472 | 5390 | 12500 | 0.33 | 2 | 3 | 2 | 240 |
| 11,8110 | 18,1102 | 15,2953 | 15,2953 | 336 | 400 | 5 | 5 | BT4B332472 | 5390 | 12500 | 0.33 | 2 | 3 | 2 | 240 |
| 304,800 | 419,100 | 269,875 | 269,875 | 328 | 378 | 1.5 | 6.4 | BT4B331687/HA1 | 3360 | 8150 | 0.33 | 2 | 3 | 2 | 110 |
| 12,0000 | 16,5000 | 10,6250 | 10,6250 | 328 | 378 | 1.5 | 6.4 | (M257149DW-110-110D) | 3360 | 8150 | 0.33 | 2 | 3 | 2 | 110 |
| 304,800 | 482,600 | 377,825 | 365,125 | 348 | 416 | 3.3 | 3.3 | 330693C | 5010 | 10400 | 0.35 | 1.9 | 2.9 | 1.8 | 265 |
| 12,0000 | 19,0000 | 14,8750 | 14,3750 | 348 | 416 | 3.3 | 3.3 | 330693C | 5010 | 10400 | 0.35 | 1.9 | 2.9 | 1.8 | 265 |
