Four-row tapered roller bearings

Four-row tapered roller bearings are used in rolling mills to withstand combined radial and axial loads at low to medium speeds，Radial bearing capacity is very high, can withstand two-way axial load, for the roll neck can save axial space, long service life

Product Number	Bore Dia	Outer Dia	Width Over Inner Rings	Width Over Outer Rings	Dynamic Radial Load	Static Radial Load
331138 AG	139.7 mm	200.025 mm	157.162 mm	160.34 mm	193050 lbf	468000 lbf
331480 G	177.8 mm	247.65 mm	192.088 mm	192.088 mm	276750 lbf	675000 lbf
BT4-0010 G/HA1C400VA903	177.8 mm	247.65 mm	192.088 mm	192.088 mm	229500 lbf	562500 lbf
BT4-0027 AG/HA1	198.438 mm	284.162 mm	225.425 mm	225.425 mm	396000 lbf	843750 lbf
BT4-0013 G/HA1C400VA903	206.375 mm	282.575 mm	190.5 mm	190.5 mm	256500 lbf	562500 lbf
BT4-0021 G/HA1	206.375 mm	282.575 mm	190.5 mm	190.5 mm	315000 lbf	753750 lbf
BT4-0035 E8/C355	220 mm	295 mm	315 mm	315 mm	418500 lbf	911250 lbf
BT4-0040 E8/C355	220.662 mm	314.325 mm	239.712 mm	239.712 mm	477000 lbf	900000 lbf
BT4-0020/HA1	240 mm	338 mm	248 mm	248 mm	573750 lbf	1237500 lbf
330782 AG	241.478 mm	349.148 mm	228.6 mm	228.6 mm	486000 lbf	1125000 lbf
330862 B	244.475 mm	327.025 mm	193.675 mm	193.675 mm	411750 lbf	967500 lbf
BT4-0039 E8/C355	254 mm	358.775 mm	268.875 mm	268.875 mm	686250 lbf	1282500 lbf
BT4-0014 G/HA1C400VA903	266.7 mm	355.6 mm	230.188 mm	228.6 mm	420750 lbf	1046250 lbf
BT4B 328209 G/HA1C455	266.7 mm	355.6 mm	230.188 mm	228.6 mm	495000 lbf	1260000 lbf
BT4B 331168 B	269.875 mm	381 mm	282.575 mm	282.575 mm	693000 lbf	1687500 lbf
BT4-0012 G/HA1C500VA901	276.225 mm	393.7 mm	269.875 mm	269.875 mm	618750 lbf	1316250 lbf
BT4-0011 G/HA1C500VA901	279.4 mm	393.7 mm	269.875 mm	269.875 mm	618750 lbf	1316250 lbf
330540 AG	279.578 mm	380.898 mm	244.475 mm	244.475 mm	515250 lbf	1440000 lbf
BT4-0026 A/PEX	280 mm	406.4 mm	298.45 mm	298.45 mm	933750 lbf	2025000 lbf
330337 AG	285.75 mm	380.898 mm	244.475 mm	244.475 mm	515250 lbf	1440000 lbf
BT4-0015 G/HA1C400VA903	285.75 mm	380.898 mm	244.475 mm	244.475 mm	495000 lbf	1237500 lbf
BT4B 331452 G/HA1	288.925 mm	406.4 mm	298.45 mm	292.45 mm	805500 lbf	2025000 lbf
BT4B 331968 BG/HA1	292.1 mm	422.275 mm	269.875 mm	269.875 mm	855000 lbf	1800000 lbf
331492	304.648 mm	438.048 mm	280.99 mm	279.4 mm	693000 lbf	1563750 lbf
BT4B 328909 G/HA1VA901	304.8 mm	501.65 mm	336.55 mm	336.55 mm	1064250 lbf	2092500 lbf
330758 BG	304.902 mm	412.648 mm	266.7 mm	266.7 mm	668250 lbf	1687500 lbf
BT4-0004 G/HA1	304.902 mm	412.648 mm	266.7 mm	266.7 mm	766125 lbf	1687500 lbf
BT4-8093 G/HA1VA901	310 mm	430 mm	310 mm	310 mm	643500 lbf	1473750 lbf
330870 BG	317.5 mm	422.275 mm	269.875 mm	269.875 mm	756000 lbf	1833750 lbf
BT4B 331161 AG/HA4	317.5 mm	447.675 mm	327.025 mm	327.025 mm	990000 lbf	2430000 lbf
BT4B 331161 BG/HA1	317.5 mm	447.675 mm	327.025 mm	327.025 mm	1064250 lbf	2430000 lbf
BT4B 334023 E1/C675	317.5 mm	422.275 mm	269.875 mm	269.875 mm	643500 lbf	1473750 lbf
BT4B 332647 G/HA1	330.2 mm	444.5 mm	301.625 mm	301.625 mm	830250 lbf	2171250 lbf
BT4-8113 E2/C500	330.302 mm	438.023 mm	247.65 mm	254 mm	765000 lbf	1440000 lbf
331381	333.375 mm	469.9 mm	342.9 mm	342.9 mm	1101825 lbf	2565000 lbf
BT4-8160 E8/C475	343.052 mm	457.098 mm	254 mm	254 mm	810000 lbf	1597500 lbf
BT4-8160 E81/C400	343.052 mm	457.098 mm	254 mm	254 mm	810000 lbf	1597500 lbf
BT4-8160 E81/C475	343.052 mm	457.098 mm	254 mm	254 mm	810000 lbf	1597500 lbf
BT4B 328817 E1/C475	343.052 mm	457.098 mm	254 mm	254 mm	753750 lbf	1440000 lbf
BT4B 328817 EX1/C475	343.052 mm	457.098 mm	254 mm	254 mm	697500 lbf	1440000 lbf
BT4B 331228 G/HA1C200	346.075 mm	488.95 mm	358.775 mm	358.775 mm	1188000 lbf	2812500 lbf
331092 A	347.662 mm	469.9 mm	292.1 mm	292.1 mm	855000 lbf	2295000 lbf
BT4-8070 G/HA1VA901	347.662 mm	469.9 mm	292.1 mm	292.1 mm	879750 lbf	1912500 lbf
331271	355.6 mm	488.95 mm	317.5 mm	317.5 mm	929250 lbf	2475000 lbf
BT4-8162 E8/C480	355.6 mm	482.6 mm	265.113 mm	269.875 mm	933750 lbf	1833750 lbf
BT4-8162 E81/C480	355.6 mm	482.6 mm	265.113 mm	269.875 mm	933750 lbf	1833750 lbf
BT4B 328870 EX1/C300	355.6 mm	482.6 mm	265.113 mm	269.875 mm	798750 lbf	1687500 lbf
BT4B 328912 E1/C300	355.6 mm	488.95 mm	317.5 mm	317.5 mm	1147500 lbf	2250000 lbf
BT4B 328912 E3/C675	355.6 mm	488.95 mm	317.5 mm	317.5 mm	1147500 lbf	2250000 lbf
332059	360 mm	510 mm	380 mm	380 mm	1262250 lbf	3217500 lbf
331159 A	368.3 mm	523.875 mm	382.588 mm	382.588 mm	1410750 lbf	3375000 lbf
BT4-8033 G/HA1	380 mm	560 mm	390 mm	360 mm	1509750 lbf	3082500 lbf
BT4-8086 G/HA1	380 mm	736.676 mm	300 mm	300 mm	940500 lbf	2250000 lbf
331149 E/C675	384.175 mm	546.1 mm	400.05 mm	400.05 mm	1800000 lbf	3735000 lbf
BT4-8025 G/HA1C300VA903	384.175 mm	546.1 mm	400.05 mm	400.05 mm	1386000 lbf	3375000 lbf
BT4B 334128/HA1	384.175 mm	546.1 mm	400.05 mm	400.05 mm	1449000 lbf	3735000 lbf
BT4B 334042 E1/C575	385.762 mm	514.35 mm	317.5 mm	317.5 mm	879750 lbf	2250000 lbf
BT4B 332824 E/C475	395 mm	545 mm	268 mm	288.9 mm	1080000 lbf	2137500 lbf
BT4B 332824/HA1	395 mm	545 mm	268 mm	288.9 mm	879750 lbf	2137500 lbf
BT4-8147 G/HA1	400 mm	600 mm	308 mm	308 mm	1237500 lbf	2475000 lbf
BT4-8126 E1/C575	406.4 mm	562 mm	381 mm	381 mm	1282500 lbf	2970000 lbf
BT4-8161 E8/C500	406.4 mm	546.1 mm	288.925 mm	288.925 mm	1147500 lbf	2295000 lbf
BT4-8161 E81/C500	406.4 mm	546.1 mm	288.925 mm	288.925 mm	1147500 lbf	2295000 lbf
BT4B 328838 BG/HA1VA902	406.4 mm	546.1 mm	288.925 mm	288.925 mm	940500 lbf	2137500 lbf
BT4B 331347 AG/HA1	406.4 mm	565.15 mm	381 mm	381 mm	1361250 lbf	3510000 lbf
BT4B 334093 BG/HA1VA902	406.4 mm	546.1 mm	330 mm	330 mm	990000 lbf	2295000 lbf
BT4B 329004 G/HA1VA901	409.575 mm	546.1 mm	334.962 mm	334.962 mm	1089000 lbf	2700000 lbf
BT4B 331333 E/C350	409.575 mm	546.151 mm	334.962 mm	334.962 mm	1282500 lbf	2970000 lbf
BT4B 331333 E/C575	409.575 mm	546.1 mm	334.962 mm	334.962 mm	1282500 lbf	2970000 lbf
BT4-8067 G/HA1VA902	431.8 mm	571.5 mm	400 mm	400 mm	1089000 lbf	2857500 lbf
BT4B 331226 AG/HA1	431.8 mm	571.5 mm	336.55 mm	336.55 mm	1113750 lbf	3150000 lbf
BT4B 331226 BG/HA1	431.8 mm	571.5 mm	336.55 mm	336.55 mm	1188000 lbf	3150000 lbf
BT4B 331226/HA1	431.8 mm	571.5 mm	336.55 mm	336.55 mm	1113750 lbf	3150000 lbf
BT4B 334019 G/HA1	431.8 mm	635 mm	440 mm	355.6 mm	1485000 lbf	3375000 lbf
332313	440 mm	650 mm	353.5 mm	353.5 mm	1485000 lbf	3375000 lbf
BT4-8124 E/C550	440 mm	580 mm	360 mm	360 mm	1395000 lbf	3217500 lbf
BT4B 328944 G/HA1VA901	440 mm	650 mm	353.5 mm	353.5 mm	1509750 lbf	2970000 lbf
BT4B 334055 ABG/HA1VA902	440 mm	590 mm	480 mm	480 mm	1721250 lbf	4500000 lbf
330608 C	447.675 mm	635 mm	463.55 mm	463.55 mm	1856250 lbf	4950000 lbf
BT4-8044 G/HA1VA902	450 mm	595 mm	404 mm	404 mm	1336500 lbf	3667500 lbf
BT4-8173 E8/C725	450 mm	595 mm	368 mm	368 mm	1473750 lbf	3442500 lbf
BT4-8173 E81/C725	450 mm	595 mm	368 mm	368 mm	1473750 lbf	3442500 lbf
BT4B 328365 EX/C725	450 mm	595 mm	404 mm	404 mm	1530000 lbf	3667500 lbf
BT4B 332773 E/C725	450 mm	595 mm	368 mm	368 mm	1530000 lbf	3667500 lbf
331169 BG	457.2 mm	596.9 mm	276.225 mm	279.4 mm	940500 lbf	2430000 lbf
331169 E/C500	457.2 mm	596.9 mm	276.225 mm	279.4 mm	1028250 lbf	2430000 lbf
BT4-8125 E1/C725	457.2 mm	606 mm	381 mm	381 mm	1687500 lbf	3667500 lbf
BT4B 328827 ABG/HA1VA902	457.2 mm	596.9 mm	276.225 mm	279.4 mm	965250 lbf	2250000 lbf
BT4-8111 E2/C725	460 mm	610 mm	360 mm	360 mm	1530000 lbf	3217500 lbf
BT4B 331977 E/C725	460 mm	610 mm	360 mm	360 mm	1687500 lbf	3667500 lbf
BT4B 332502/HA1	460 mm	625 mm	421 mm	421 mm	1622250 lbf	4500000 lbf
BT4B 328913 BG/HA1C555	475 mm	600 mm	368 mm	368 mm	1287000 lbf	3735000 lbf
330886 B	479.425 mm	679.45 mm	495.3 mm	495.3 mm	2103750 lbf	5062500 lbf
332096 E/C725	482.6 mm	615.95 mm	330.2 mm	330.2 mm	1417500 lbf	3442500 lbf
BT4-8163 E8/C725	482.6 mm	615.95 mm	330.2 mm	330.2 mm	1417500 lbf	3217500 lbf
BT4-8163 E81/C725	482.6 mm	615.95 mm	330.2 mm	330.2 mm	1417500 lbf	3217500 lbf
BT4-8163 E8A/C725	482.6 mm	615.95 mm	330.2 mm	330.2 mm	1417500 lbf	3217500 lbf
BT4B 328842 E1/C325	482.6 mm	615.95 mm	330.2 mm	330.2 mm	1372500 lbf	3082500 lbf
BT4B 331259 BG/HA1C325	482.6 mm	647.7 mm	417.512 mm	417.512 mm	1721250 lbf	4500000 lbf
331090 E/C700	489.026 mm	634.873 mm	320.675 mm	320.675 mm	1417500 lbf	3285000 lbf
BT4-8135 E/C750	490 mm	625 mm	385 mm	385 mm	1597500 lbf	3667500 lbf
BT4-8056 G/HA1	500 mm	670 mm	400.05 mm	387.35 mm	1622250 lbf	4342500 lbf
331081 A	501.65 mm	711.2 mm	520.7 mm	520.7 mm	2295000 lbf	6187500 lbf
BT4-8167 E8/C775	510 mm	655 mm	377 mm	379 mm	1721250 lbf	3960000 lbf
BT4-8167 E81/C775	510 mm	655 mm	377 mm	379 mm	1721250 lbf	3960000 lbf
BT4B 331243 A/HA1	520.7 mm	711.2 mm	400.05 mm	400.05 mm	1683000 lbf	4410000 lbf
BT4-8043 G/HA1	530 mm	680 mm	440 mm	440 mm	1856250 lbf	5310000 lbf
331978 BG	540 mm	690 mm	400 mm	400 mm	1683000 lbf	4770000 lbf
BT4-8108 E/C625	540 mm	690 mm	400 mm	400 mm	1833750 lbf	4342500 lbf
331165 A	558.8 mm	736.6 mm	322.265 mm	322.268 mm	1410750 lbf	3735000 lbf
331165 AG	558.8 mm	736.6 mm	322.265 mm	322.268 mm	1410750 lbf	3735000 lbf
BT4-8022 G/HA1VA919	558.8 mm	736.6 mm	455.612 mm	457.2 mm	1930500 lbf	5220000 lbf
BT4B 330993 AG/HA1	558.8 mm	736.6 mm	409.575 mm	409.575 mm	1930500 lbf	5220000 lbf
BT4B 334080 G/HA1VA901	558.8 mm	736.6 mm	409.575 mm	409.575 mm	1485000 lbf	4500000 lbf
BT4-8153 E/C775	560 mm	700 mm	405 mm	405 mm	1800000 lbf	4770000 lbf
BT4B 328509/HA4	560 mm	920 mm	618 mm	618 mm	3712500 lbf	7650000 lbf
BT4B 332666/HA1	571.5 mm	812.8 mm	593.725 mm	593.725 mm	2970000 lbf	8100000 lbf
331148 A	584.2 mm	762 mm	396.875 mm	401.638 mm	1721250 lbf	5040000 lbf
BT4B 331189 E/C600	584.2 mm	730.326 mm	342.9 mm	349.25 mm	1336500 lbf	3825000 lbf
BT4B 328888 BG/HA1VA901	585.788 mm	771.525 mm	479.425 mm	479.425 mm	2295000 lbf	6187500 lbf
BT4B 331093 BG/HA1	585.788 mm	771.525 mm	479.425 mm	479.425 mm	2385000 lbf	6750000 lbf
BT4B 331300 E/C775	595.312 mm	844.55 mm	615.95 mm	615.95 mm	3892500 lbf	8775000 lbf
331625	603.25 mm	857.25 mm	622.3 mm	622.3 mm	3307500 lbf	9112500 lbf
BT4B 331625 E/C800	603.25 mm	857.25 mm	622.3 mm	622.3 mm	4117500 lbf	9112500 lbf
331175 A	609.6 mm	787.4 mm	361.95 mm	361.95 mm	1658250 lbf	4770000 lbf
331175 BG/C355	609.6 mm	787.4 mm	361.95 mm	361.95 mm	1658250 lbf	4770000 lbf
331925	609.6 mm	813.562 mm	479.425 mm	479.425 mm	2385000 lbf	6862500 lbf
BT4B 328871 G/HA1VA901	609.6 mm	787.4 mm	361.95 mm	361.95 mm	1534500 lbf	4185000 lbf
BT4B 328510/HA1	620 mm	800 mm	363.5 mm	363.5 mm	1683000 lbf	4860000 lbf
BT4-8031 E/C800	625 mm	815 mm	480 mm	480 mm	2970000 lbf	6975000 lbf
BT4-8137 G/HA1	625 mm	815 mm	600 mm	600 mm	2970000 lbf	6975000 lbf
BT4B 332827 AG/HA1	650 mm	1030 mm	560 mm	560 mm	3780000 lbf	8550000 lbf
BT4B 332833 G/HA4	660 mm	1070 mm	648.002 mm	648.002 mm	4365000 lbf	9337500 lbf
331190	660.4 mm	812.8 mm	365.125 mm	365.125 mm	1509750 lbf	5040000 lbf
BT4B 331190 BG/HA1	660.4 mm	812.8 mm	365.125 mm	365.125 mm	1622250 lbf	5040000 lbf
BT4B 332906/HA4	676 mm	910 mm	620 mm	620 mm	3195000 lbf	9337500 lbf
BT4B 334015 BG/HA1VA901	679.45 mm	901.7 mm	552.45 mm	552.45 mm	2970000 lbf	8100000 lbf
BT4B 334016 AG/HA1VA901	679.45 mm	901.7 mm	635 mm	542.45 mm	2722500 lbf	8100000 lbf
BT4B 328349/HA1	680 mm	930 mm	700 mm	700 mm	4117500 lbf	12150000 lbf
BT4B 328955 ABG/HA1VA902	685.8 mm	876.3 mm	352.425 mm	355.6 mm	1721250 lbf	4500000 lbf
BT4B 331089 CG/HA1	685.8 mm	876 mm	352.425 mm	355.6 mm	1757250 lbf	4950000 lbf
BT4-8109 E1/C800	708.025 mm	930.275 mm	565.15 mm	565.15 mm	3510000 lbf	8437500 lbf
BT4B 332098 A/HA4	708.025 mm	930.275 mm	565.15 mm	565.15 mm	2925000 lbf	8775000 lbf
331351	710 mm	900 mm	410 mm	410 mm	1980000 lbf	5962500 lbf
BT4B 331351 BG/HA1	710 mm	900 mm	410 mm	410 mm	2178000 lbf	6075000 lbf
BT4B 331351 E/C775	710 mm	900 mm	410 mm	410 mm	2475000 lbf	6075000 lbf
BT4-8139 G/HA1	711.2 mm	914.4 mm	390 mm	390 mm	1721250 lbf	4342500 lbf
332244	717.55 mm	946.15 mm	565.15 mm	565.15 mm	3015000 lbf	9112500 lbf
BT4-8069 G/HA1VA901	717.55 mm	946.15 mm	565.15 mm	565.15 mm	3015000 lbf	8212500 lbf
330803 A	730.25 mm	1035.05 mm	755.65 mm	755.65 mm	4612500 lbf	13162500 lbf
BT4-8048 E/C725	750 mm	950 mm	410 mm	410 mm	2430000 lbf	5962500 lbf
BT4B 328376/HA4	750 mm	1130 mm	690 mm	690 mm	4522500 lbf	10462500 lbf
BT4-8121 E/C600	785 mm	1010 mm	600 mm	600 mm	3735000 lbf	9675000 lbf
BT4B 331066 A/HA4	825.5 mm	1168.4 mm	844.55 mm	844.55 mm	5850000 lbf	17212500 lbf
BT4B 330742 A/HA4	863.6 mm	1219.1 mm	876.3 mm	889 mm	6322500 lbf	18337500 lbf
BT4B 331123 DG/HA1	863.6 mm	1130.3 mm	669.925 mm	669.925 mm	4455000 lbf	13950000 lbf
BT4B 332981/HA4	877.888 mm	1220 mm	844.55 mm	844.55 mm	6322500 lbf	17212500 lbf
330726 A	938.212 mm	1270 mm	825.5 mm	825.5 mm	5850000 lbf	18337500 lbf
BT4B 334031 AG/HA4	1001 mm	1360 mm	800 mm	800 mm	6682500 lbf	19125000 lbf
BT4B 334031/HA4C1800	1001 mm	1360 mm	800 mm	800 mm	6187500 lbf	18337500 lbf
BT4B 328100/HA4	1070.001 mm	1399.997 mm	889.762 mm	889.762 mm	6817500 lbf	22500000 lbf
BT4-8150 G/HA4	1300 mm	1720 mm	840 mm	840 mm	8302500 lbf	23400000 lbf

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Bearings & Components

Special Material

Applications

Four-row tapered roller bearings