Four-row Tapered Roller Bearings

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.

Part Number	ID	OD	Width(Inner Rings)	Width(Outter Rings)	Dynamic Load
BT4B 332502/HA1	460 mm	625 mm	421 mm	421 mm	1622250 lbf
BT4B 328913 BG/HA1C555	475 mm	600 mm	368 mm	368 mm	1287000 lbf
330886 B	479.425 mm	679.45 mm	495.3 mm	495.3 mm	2103750 lbf
332096 E/C725	482.6 mm	615.95 mm	330.2 mm	330.2 mm	1417500 lbf
BT4-8163 E8/C725	482.6 mm	615.95 mm	330.2 mm	330.2 mm	1417500 lbf
BT4-8163 E81/C725	482.6 mm	615.95 mm	330.2 mm	330.2 mm	1417500 lbf
BT4-8163 E8A/C725	482.6 mm	615.95 mm	330.2 mm	330.2 mm	1417500 lbf
BT4B 328842 E1/C325	482.6 mm	615.95 mm	330.2 mm	330.2 mm	1372500 lbf
BT4B 331259 BG/HA1C325	482.6 mm	647.7 mm	417.512 mm	417.512 mm	1721250 lbf
331090 E/C700	489.026 mm	634.873 mm	320.675 mm	320.675 mm	1417500 lbf
BT4-8135 E/C750	490 mm	625 mm	385 mm	385 mm	1597500 lbf
BT4-8056 G/HA1	500 mm	670 mm	400.05 mm	387.35 mm	1622250 lbf
331081 A	501.65 mm	711.2 mm	520.7 mm	520.7 mm	2295000 lbf
BT4-8167 E8/C775	510 mm	655 mm	377 mm	379 mm	1721250 lbf
BT4-8167 E81/C775	510 mm	655 mm	377 mm	379 mm	1721250 lbf
BT4B 331243 A/HA1	520.7 mm	711.2 mm	400.05 mm	400.05 mm	1683000 lbf
BT4-8043 G/HA1	530 mm	680 mm	440 mm	440 mm	1856250 lbf
331978 BG	540 mm	690 mm	400 mm	400 mm	1683000 lbf
BT4-8108 E/C625	540 mm	690 mm	400 mm	400 mm	1833750 lbf
331165 A	558.8 mm	736.6 mm	322.265 mm	322.268 mm	1410750 lbf
331165 AG	558.8 mm	736.6 mm	322.265 mm	322.268 mm	1410750 lbf
BT4-8022 G/HA1VA919	558.8 mm	736.6 mm	455.612 mm	457.2 mm	1930500 lbf
BT4B 330993 AG/HA1	558.8 mm	736.6 mm	409.575 mm	409.575 mm	1930500 lbf
BT4B 334080 G/HA1VA901	558.8 mm	736.6 mm	409.575 mm	409.575 mm	1485000 lbf
BT4-8153 E/C775	560 mm	700 mm	405 mm	405 mm	1800000 lbf
BT4B 328509/HA4	560 mm	920 mm	618 mm	618 mm	3712500 lbf
BT4B 332666/HA1	571.5 mm	812.8 mm	593.725 mm	593.725 mm	2970000 lbf
331148 A	584.2 mm	762 mm	396.875 mm	401.638 mm	1721250 lbf
BT4B 331189 E/C600	584.2 mm	730.326 mm	342.9 mm	349.25 mm	1336500 lbf
BT4B 328888 BG/HA1VA901	585.788 mm	771.525 mm	479.425 mm	479.425 mm	2295000 lbf

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