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Four-row tapered roller bearings can accommodate combined (radial and axial) loads at low to moderate speeds. They are used almost exclusively in work roll applications such as rolling mills.
Four-row tapered roller bearings BT4B 332078/HA4 Drawing and Technical data:
| BT4B 332078/HA4 d | = | 1500 | mm |
| BT4B 332078/HA4 D | = | 1900 | mm |
| BT4B 332078/HA4 B | = | 1080 | mm |
| BT4B 332078/HA4 Mass bearing | = | 7700 | kg |
Products Shows:
| Designation | Principal dimensions | Basic load ratings | Fatigue load limit | Design variant/feature | ||||
| dynamic | static | |||||||
| d | D | B | T | C | C0 | Pu | ||
| mm | kN | kN | ||||||
| BT4B 331934/HA4 | 1580 | 1960 | 1080 | 1080 | 45700 | 176000 | 8650 | TQO.1/GWI |
| BT4B 332078/HA4 | 1500 | 1900 | 1080 | 1080 | 46800 | 170000 | 8300 | TQO.1/GWI |
| BT4B 331950/HA4 | 1300 | 1720 | 1040 | 1040 | 42900 | 140000 | 7350 | TQO.1/GWI |
| BT4-8150 G/HA4 | 1300 | 1720 | 840 | 840 | 36900 | 104000 | 5700 | TQON.1/GW |
| BT4B 332124/HA4 | 1260 | 1640 | 1000 | 1000 | 39100 | 143000 | 6950 | TQO.1/GWI |
| BT4B 328819 G/HA1 | 1250 | 1550 | 890 | 890 | 30300 | 114000 | 6000 | TQO.1/GWI |
| BT4B 331334/HA4 | 1139.825 | 1509.712 | 923.925 | 923.925 | 33600 | 108000 | 5850 | TQO.1/GWI |
| BT4B 331559/HA4 | 1080 | 1450 | 950 | 950 | 33600 | 108000 | 5850 | TQO.1/GWI |
| BT4B 328100/HA4 | 1070.001 | 1399.997 | 889.762 | 889.762 | 30300 | 100000 | 5500 | TQO.1/GWI |
| BT4B 331372/HA4 | 1003.3 | 1358.9 | 800.1 | 800.1 | 27500 | 81500 | 4750 | TQO.1/GWI |
| BT4B 334031 AG/HA4 | 1001 | 1360 | 800 | 800 | 29700 | 85000 | 4800 | TQON.1/GW |
| BT4B 334031/HA4C1800 | 1001 | 1360 | 800 | 800 | 27500 | 81500 | 4750 | TQO.1 |
| BT4B 330944 AG/HA4 | 939.8 | 1333.5 | 952.5 | 952.5 | 31900 | 95000 | 5300 | TQO.1/GWI |
| 330726 A | 938.212 | 1270 | 825.5 | 825.5 | 26000 | 81500 | 4650 | TQO.1/GWI |
| 330903 A | 901.7 | 1295.4 | 901.7 | 914.4 | 30800 | 86500 | 5000 | TQO.1/GWI |
| BT4B 332981/HA4 | 877.888 | 1220 | 844.55 | 844.55 | 28100 | 76500 | 4550 | TQO.1/GWI |
| BT4B 332967/HA4 | 863.6 | 1169.987 | 844.55 | 844.55 | 23800 | 76500 | 4400 | TQO.1/GWI |
| BT4B 331123 DG/HA1 | 863.6 | 1130.3 | 669.925 | 669.925 | 19800 | 62000 | 3750 | TQO/GWI |
| BT4B 334150 G/HA4VA901 | 863.6 | 1169.987 | 844.55 | 844.55 | 23300 | 71000 | 4050 | TQOS/GWISI |
| BT4B 331649/HA4 | 863.6 | 1181.1 | 666.75 | 666.75 | 20900 | 57000 | 3550 | TQO.1/GWI |
| BT4B 330742 A/HA4 | 863.6 | 1219.1 | 876.3 | 889 | 28100 | 81500 | 4750 | TQO.1/GWI |
| BT4B 334040/HA4 | 825.5 | 1168.4 | 844.6 | 844.6 | 23600 | 76500 | 4400 | TQOT.1 |
| BT4B 331066 A/HA4 | 825.5 | 1168.4 | 844.55 | 844.55 | 26000 | 76500 | 4500 | TQO.1/GWI |
| BT4B 334135 G/HA4VA901 | 825.5 | 1168.4 | 844.55 | 844.55 | 24600 | 73500 | 4300 | TQOS/GWISI |
| BT4-8121 E/C600 | 785 | 1010 | 600 | 600 | 16600 | 43000 | 2700 | TQON/GW |
| BT4-8114 E/C700 | 785 | 1040 | 560 | 560 | 16000 | 41500 | 2600 | TQON/GW |
| BT4B 334075 G/HA1VA901 | 762 | 1079.5 | 787.4 | 787.4 | 21200 | 61000 | 3750 | TQOS/GWISI |
| BT4-8048 E/C725 | 750 | 950 | 410 | 410 | 10800 | 26500 | 1730 | TQON.1/GW |
| BT4B 328376/HA4 | 750 | 1130 | 690 | 690 | 20100 | 46500 | 2900 | TQO.1/WI |
| BT4B 334082 G/HA1VA901 | 749.3 | 990.6 | 605 | 605 | 13200 | 40500 | 2600 | TQOS/GWISI |
| 331616 | 749.3 | 990.6 | 605 | 605 | 15100 | 45500 | 2850 | TQO.1/GWI |
| 330803 A | 730.25 | 1035.05 | 755.65 | 755.65 | 20500 | 58500 | 3600 | TQO.1/GWI |
| 332244 B | 717.55 | 946.15 | 565.15 | 565.15 | 14500 | 40500 | 2600 | TQO.1/GWI |
| BT4-8069 G/HA1VA901 | 717.55 | 946.15 | 565.15 | 565.15 | 13400 | 36500 | 2400 | TQOSN/GWSI |
| 332244 | 717.55 | 946.15 | 565.15 | 565.15 | 13400 | 40500 | 2650 | TQO.1/GWI |
| BT4B 329010 G/HA1VA901 | 711.2 | 914.4 | 317.5 | 317.5 | 6600 | 17300 | 1200 | TQOS/GWISI |
| BT4-8139 G/HA1 | 711.2 | 914.4 | 390 | 390 | 7650 | 19300 | 1340 | TQON/GW |
| BT4B 331351 E/C775 | 710 | 900 | 410 | 410 | 11000 | 27000 | 1800 | TQON/GW |
| BT4B 331351 BG/HA1 | 710 | 900 | 410 | 410 | 9680 | 27000 | 1800 | TQON/GW |
| BT4B 334051 G/HA1VA901 | 710 | 900 | 410 | 410 | 8250 | 24000 | 1660 | TQOS/GWISI |
| 331351 | 710 | 900 | 410 | 410 | 8800 | 26500 | 1760 | TQO.1/GWI |
| BT4-8109 E1/C800 | 708.025 | 930.275 | 565.15 | 565.15 | 15600 | 37500 | 2400 | TQOSN/GWSI |
| BT4B 332098 A/HA4 | 708.025 | 930.275 | 565.15 | 565.15 | 13000 | 39000 | 2500 | TQO.1/GWI |
| BT4B 331089 CG/HA1 | 685.8 | 876 | 352.425 | 355.6 | 7810 | 22000 | 1500 | TQON/GW |
| BT4B 328955 ABG/HA1VA902 | 685.8 | 876.3 | 352.425 | 355.6 | 7650 | 20000 | 1400 | TQOSN/GWISI |
| BT4B 331089 A/HA4 | 685.8 | 876.3 | 352.425 | 355.6 | 6930 | 20800 | 1430 | TQO.1/GWI |
| BT4B 328955 BG/HA1VA901 | 685.8 | 876.3 | 352.425 | 355.6 | 7650 | 20000 | 1400 | TQOSN/GWISI |
| BT4B 328704 G/HA1 | 685.8 | 876.3 | 434.975 | 355.6 | 7210 | 22000 | 1500 | TQOE/GWI |
| BT4B 334060 G/HA1VA901 | 682.625 | 965.2 | 701.675 | 701.675 | 17200 | 49000 | 3100 | TQOS/GWISI |
| BT4B 331503 G/HA4 | 682.625 | 965.2 | 701.675 | 701.675 | 17600 | 50000 | 3200 | TQO.1/GWI |
| BT4B 328349/HA1 | 680 | 930 | 700 | 700 | 18300 | 54000 | 3400 | TQOT |
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