Four Row Tapered Roller Bearing

Four-row tapered roller bearings are mainly used in mill roll equipment in the metallurgical industry, and there are also some double-row tapered roller bearings.

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General bearings are usually made of GCr15SiMn material, and the raw materials of heavy bearings usually need carburizing treatment. The structure of tapered rollers can bear axial and radial loads at the same time. The structure of our multi-row tapered roller bearings is more stable and the service life is longer.

Bearing number	Boundary Dimensions mm											Basic Load Ratings KN		Calculation Factors	Mass
	d	D	T	B	r1,2min	r3,4min	Cr	Cor	e	Y1	Y2	Y0	kg
M244749D/10/10D	120.65	174.625	139.703	141.288	0.8	1.5	737	1560	0.33	2	3	2	11.2
48290DW/20/20D	127	182.562	158.75	158.75	1.5	3.3	781	1760	0.3	2.3	3.4	2.2	14.5
48680D/20/20D	139.7	200.025	160.338	157.162	0.8	3.3	858	2080	0.33	2	3	2	15.5
382028	140	210	185		2.5	2	605	1400	0.37	0.2	0.3	2	24.1
382930	150	210	165		2.5	2	602	1580	0.27	2.5	3.7	2.4	21.2
M231649D/10/10CD	152.4	222.25	174.625	174.625	1.5	1.5	1120	2500	0.33	2	3	2	23.2
46791DW/20/21D	165.1	225.425	168.275	165.1	0.8	3.3	858	2200	0.37	1.8	2.7	1.8	20.5
382034	170	260	230		3	2.5	1270	3290	0.44	1.5	2.3	1.5	39.5
67791DW/20/21D	177.8	247.65	192.088	192.088	1.5	3.3	1230	3000	0.44	1.5	2.3	1.4	29
M238849DW/10/10CD	187.325	269.875	211.138	211.138	1.5	3.3	1650	3800	0.33	2	3	2	41
67885DW/20/20CD	190.5	266.7	188.912	187.325	1.5	3.3	1340	3250	0.48	1.4	2.1	1.4	33.5
M240648D/11/11D	198.438	284.162	225.425	225.425	1.5	3.3	1790	4150	0.33	2	3	2	47.5
382040	200	310	275		3	2.5	1760	4200	0.37	1.7	2.3	2.1	75.1
67986DW/20/21CD	206.375	282.575	190.5	190.5	0.8	3.3	1300	3350	0.5	1.5	2	1.3	36.5
382044	220	340	305		4	3	2070	5430	0.35	1.9	2.8	1.9	98.5
M244249DW/10/10CD	220.662	314.325	239.712	239.712	1.5	3.3	2200	5200	0.33	2	3	2	61.5
LM245149DW/10/10D	228.6	311.15	200.025	200.025	1.5	3.3	1760	4050	0.33	2	3	2	43.5
8576DW/20/20CD	234.95	327.025	196.85	196.85	1.5	3.3	1540	4250	0.4	1.7	2.5	1.6	54
382048	240	360	310		4	3	2110	5610	0.31	2.2	3.2	2.1	91.3
EE127094D/138/139D	241.224	355.498	228.6	228.6	1.5	3.3	2160	5000	0.35	1.9	2.9	1.8	81.5
LM247748DW/10/10D	244.475	327.025	193.675	193.675	1.5	3.3	1830	4300	0.33	2	3	2	46
EE126096DW/150/151D	244.475	381	304.8	304.8	3.3	4.8	2970	6700	0.52	1.3	1.9	1.3	130
EE220975DW/1575/1576D	247.65	400.05	253.995	249.235	1.5	6.4	2920	6300	0.4	1.7	2.5	1.6	120
381050	250	385	255		5	4	1390	2570	0.38	1.8	2.6	1.7	108
M249748DW/10/10CD	254	358.775	269.875	269.875	1.5	3.3	2860	7100	0.33	2	3	2	88
382952	260	360	265		3	2.5	1760	5220	0.37	1.8	2.7	1.8	76.3
382052	260	400	345		5	4	2710	7140	0.29	2.3	3.4	2.3	153
HM252349DGW/10/10D	260.35	422.275	317.5	314.325	6.4	3.3	4130	8000	0.33	2	3	2	180
LM451349DW/10/10CD	266.7	355.6	228.6	230.188	1.5	3.3	2050	5600	0.37	1.8	2.7	1.8	63.5
M252349D/10/10CD	269.875	381	282.575	282.575	3.3	3.3	3080	7500	0.33	2	3	2	105
EE135111DW/55/56D	279.4	393.7	269.875	269.875	1.5	6.4	3030	7100	0.37	1.8	2.7	1.8	102
LM654644DW/10/10CD	279.578	380.898	244.475	244.475	1.5	3.3	2290	6400	0.43	1.6	2.3	1.6	86
381156	280	460	324		5	4	2840	7290	0.33	2.1	3.1	2	200
LM654648DW/10/10CD	285.75	380.898	244.475	244.475	1.5	3.3	2290	6400	0.43	1.6	2.3	1.6	81
EE330116DGW/66/67D	292.1	422.275	269.875	269.875	6.4	3.3	3520	8000	0.31	2.2	3.3	2.2	125
382960	300	420	300		4	3	2330	7210	0.29	2.3	3.4	2.3	130
382060	300	460	390		5	4	3180	9330	0.31	2.2	3.2	2.1	219
381160	300	500	370		5	4	3390	8710	0.32	2.1	3.2	2.1	285
HM256849D/10/10CD	300.038	422.275	311.15	311.15	3.3	3.3	3800	9500	0.33	2	3	2	140
M757448DW/10/10D	304.648	438.048	279.4	280.99	3.3	4.8	3470	8000	0.48	1.4	2.1	1.4	135
M257149DW/10/10D	304.8	419.1	269.875	269.875	1.5	6.4	3360	8150	0.33	2	3	2	110
M257248DW/10/10D 105	304.902	412.648	266.7	266.7	3.3	3.3	3080	8000	0.31	2.2	3.3	2.2	105
LM258648DW/10/10D	317.5	422.275	269.875	269.875	1.5	3.3	3080	8150	0.31	2.2	3.3	2.2	105
HM259049D/10/10CD	317.5	447.675	327.025	327.025	3.3	3.3	4400	10800	0.33	2	3	2	165
382064	320	480	390		5	4	3180	9330	0.42	1.6	2.4	1.6	234
M260149DW/10/10D	330.2	444.5	301.625	301.625	3.3	3.3	3690	9650	0.33	2	3	2	135
EE138131D/72/73XD	330.302	438.023	254	247.65	1.5	3.3	2600	7350	0.46	1.5	2.2	1.4	110
HM261049DW/10/10CD	333.375	469.9	342.9	342.9	3.3	3.3	4570	11400	0.33	2	3	2	190
382968	340	460	310		4	3	2480	8100	0.31	2.2	3.2	2.1	145
381068	340	520	325		5	4	3100	8620	0.29	2.3	3.4	2.3	234
381168	340	580	425		5	4	4580	11700	0.42	1.6	2.4	1.6	441
LM761649DW/10/10D	343.052	457.098	254	254	1.5	3.3	2810	6800	0.48	1.4	2	1 1.4	110
HM262749D/10/10CD	346.075	488.95	358.775	358.775	3.3	3.3	4950	12500	0.33	2	3	2	220
LM262449DW/10/10D	347.662	469.9	260.35	260.35	1.5	3.3	3800	10200	0.33	2	3	2	130
M262449DW/10/10D	347.662	469.9	292.1	292.1	3.3	3.3	3800	10200	0.33	2	3	2	150
M263349DW/10/10D	355.6	488.95	317.5	317.5	1.5	3.3	4130	11000	0.33	2	3	2	195
381072	360	540	325		5	4	3360	8840	0.3	2.3	3.3	2.2	248
HM265049DW/10/10CD	368.3	523.875	382.588	382.588	3.3	6.4	5380	15000	0.33	2	3	2	275
LM765149DW/10/10D	374.65	501.65	260.35	250.825	1.5	3.3	3360	8150	0.48	1.4	2.1	1.4	140
381076	380	560	325		5	4	3360	8840	0.31	2.1	3.2	2.1	281
381176	380	620	420		5	4	4710	12300	0.46	1.5	2.2	1.4	487
HM266449DW/10/10CD	384.175	546.1	400.05	400.05	3.3	6.4	6440	16600	0.33	2	3	2	310
77779	395	545	288.7		7.5	4	2470	6600	0.44				192
381080	400	600	356		5	4	4160	10400	0.4	1.7	2.5	1.7	317
M267949DGW/10/10D	406.4	565.15	381	381	3.3	6.4	6050	15600	0.33	2	3	2	300
LM767749DW/10/10D	406.4	546.1	288.925	88.925	1.5	6.4	4020	10200	0.48	1.4	2.1	1.4	185
LM867949DGW/10/11	406.4	546.1	288.925	268.288	1.5	6.4	3910	9500	0.48	1.4	2.1	1.4	185
M667949D/11/11D	409.575	546.1	334.962	334.962	1.5	6.4	4680	13200	0.43	1.6	2.3	1.6	220
M268749DW/10/10CD	415.925	590.55	434.975	434.975	3.3	6.4	7210	19300	0.33	2	3	2	395
381084	420	620	356		5	4	4160	10400	0.41	1.6	2.4	1.6	358
381184	420	700	480		6	5	6780	18500	0.32	2.1	3.2	2.1	760
381088	440	650	376		6	5	4290	12390	0.43	1.6	2.3	1.5	401
381992	460	620	310		4	3	3360	10200	0.4	1.7	2.5	1.7	173
381092	460	680	410		6	5	5130	14200	0.31	2.2	3.2	2.1	476
381996	480	650	338		5	4	3390	10500	0.42	1.6	2.4	1.6	301
381096	480	700	420		6	5	5780	16900	0.32	2.1	3.1	2.1	547
3810/500	500	720	420		6	5	5880	17400	0.33	2.1	3.1	2	565
3810/530	530	780	450		6	5	7520	21500	0.38	1.8	2.6		744
3811/530	530	870	590		7.5	6	9320	26100	0.46	1.5	2.2		1422
3819/560	560	750	368		5	4	4370	13300	0.43	1.6	2.3		456
3811/560	560	920	620		7.5	6	11200	26100	0.39	1.7	2.6		1635
M278749DW/10/10D	571.5	812.8	593.725	593.725	3.3	6.4	12100	32000	0.33	2	3	2	1000
LM778549DW/10/10D	584.2	762	104.638	396.875	3.3	6.4	7650	22400	0.48	1.4	2.1	1.4	485
EE665231DGW/355/356D	584.2	901.7	539.747	523.08	3.3	9.7	13400	28000	0.33	2	3	2	1250
LM278849D/10/10D	585.788	771.525	479.425	479.425	3.3	6.4	9900	30000	0.33	2	3	2	625
M280049D/10/10D	595.312	844.55	615.95	615.95	3.3	6.4	13400	36500	0.33	2	3	2	1115
3819/600	600	800	380		5	4	5500	18900	0.33	2.1	3.1		536
3810/600	600	870	480		6	5	8370	25400	0.41	1.7	2.5		995
3811/600	600	980	650		7.5	6	12700	36700	0.32	2.1	3.2		1970
LM280249DW/10/10D	609.6	813.562	479.425	479.425	3.3	6.4	10600	30500	0.33	2	3	2	715
LM280249DW/10/10D	609.6	813.562	479.425	479.425	3.3	6.4	10600	30500	0.33	2	3	2	715
M280349D/10/10D	609.6	863.6	660.4	660.4	3.3	6.4	15100	41500	0.31	2.2	3.3	2.2	1240
3819/630	630	850	418		6	5	6440	19800	0.4	1.7	2.5		720
3810/630	630	920	515		7.5	6	9170	26800	0.42	1.6	2.4		1158
3811/630	630	1030	670		7.5	6	14400	39900	0.3	2.2	3.3		2201
M281049D/10/10D	635	901.7	654.05	654.05	3.3	6.4	15700	45000	0.33	2	3	2	1420
LM281049DW/10/10D	646.112	857.25	542.925	542.925	3.3	6.4	12100	36500	0.33	2	3	2	875
M281349DGW/10/10D	650	915	674	674	3.3	6.4	16100	45000	0.33	2	3	2	1430
M281649D/10/10D	657.225	933.45	676.275	676.275	3.3	6.4	17200	49000	0.33	2	3	2	1575
L281149D/10/10CD	660.4	812.8	365.125	365.125	3.3	6.4	6710	22400	0.33	2	3	2	420
3819/670	670		412		6	5	6940	22300	0.44	1.5	2.3	1.5	959
3811/670	670		710		7.5	6	15700	39900	0.32	2.1	3.2	2.1	2665
LM281849DW/10/10D	679.45	901.7	552.45	552.45	3.3	6.4	12300	36500	0.33	2	3	2	975
M282249D/10/10D	682.625	965.2	701.675	701.675	3.3	6.4	17600	50000	0.33	2	3	2	1750
EE655271D/345/346D	685.8	876.3	355.6	352.425	3.3	6.4	7210	22000	0.43	1.6	2.3	1.6	530
EE655271DWA/345/346D	685.8	876.3	355.6	434.975	3.3	6.4	7210	22000	0.43	1.6	2.3	1.6	580
LM282549D/10/10D	708.025	930.275	565.15	565.15	3.3	6.4	13000	39000	0.33	2	3	2	1030
3810/710	710		555		7.5	6	11200	35800	0.43	1.6	2.3	1.5	1568
3811/710	710		750		9.5	8	17100	50900	0.32	2.1	3.2	2.1	3227
L882449DGW/10/10D	710	900	410	410	3	6	8800	26500	0.35	1.9	2.9	1.8	660
EE755281D/360/361CD	711.2	914.4	317.5	317.5	3.3	6.4	7040	19300	0.37	1.8	2.7	1.8	525
M383240D/10/10D	714.375	1016	704.85	704.85	3.3	6.4	18700	53000	0.35	1.9	2.9	1.8	1950
LM282847DW/10/10D	717.55	946.15	565.15	565.15	3.3	6.4	13400	40500	0.33	2	3	2	1900
M283449DW/10/10D	730.25	1035.05	755.65	755.65	3.3	6.4	20500	58500	0.33	2	3	2	2170
LM283649D/10/10D	749.3	990.6	605	605	3.3	6.4	15000	45500	0.33	2	3	2	1250
EE325296D/420/421XD	749.3	1066.8	736.6	723.9	4.8	12.7	20500	58500	0.33	2	3	2	2250
3810/750	750		605		7.5	6	13100	42400	0.43	1.6	2.4	1.6	1874
3811/750	750		840		9.5	8	21900	68000	0.32	2.1	3.2	2.1	3994
M284148DW/11/10D	762	1066.8	736.6	723.9	4.8	12.7	20500	58500	0.33	2	3	2	2145
M284249DW/10/10D	762	1079.5	787.4	787.4	4.8	12.7	22400	65500	0.33	2	3	2	2480
M285848DW/10/10D	825.5	1168.4	844.55	844.55	4.8	12.7	26000	76500	0.33	2	3	2	3050
LM286248DW/10/10D	863.6	1130.3	669.925	669.925	4.8	12.7	19800	62000	0.33	2	3	2	1900
LM286449D/10/10D	863.6	1181.1	666.75	666.75	4.8	12.7	20900	57000	0.33	2	3	2	2150
EE547341D/480/481D	863.6	1219.2	889	876.3	4.8	12.7	28100	81500	0.33	2	3	2	3470
LM286749D/711	877.888	1220	844.55	844.55	4.8	12.7	26000	76500	0.33	2	3	2	3080
EE634356D/510/510D	901.7	1295.4	914.4	901.7	4.8	12.7	30800	86500	0.33	2	3	2	4170
LM287649D/10/10D	938.213	1270	825.5	825.5	4.8	12.7	26000	81500	0.35	1.9	2.9	1.8	3230
LM287849DW/10/10D	939.8	1333.5	952.5	952.5	4.8	12.7	31900	95000	0.33	2	3	2	4510
3820/950	950		880		7.5	6	23300	83600	0.26	2.6	3.8	2.6	4087
3820/1060	1060		1000		9.5	8	29100	105000	0.26	2.6	3.8	2.6	5896
JLM288449DW/410	1070	1400	889.762	889.762	4	12	30300	100000	0.33	2	3	2	3730
LM288949D/10/10D	1200.15	1593.85	990.6	990.6	4.8	12.7	38000	125000	0.33	2	3	2	5635

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