Sealed Four-Row Tapered Roller Bearings

Sealed four-row tapered roller bearings combine high radial and axial load capacity with integrated protection against scale, dust, moisture and lubricant loss. They are intended for contaminated rolling mill environments where longer grease life and reduced maintenance are important.

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Model:
SFTB0001, SFTB0006, SFTB0013, SFTB0021, SFTB0027, SFTB0035, SFTB0041, SFTB0044, SFTB0050, SFTB0052

Product Overview

Sealed four-row tapered roller bearings combine high radial and axial load capacity with integrated protection against scale, dust, moisture and lubricant loss. They are intended for contaminated rolling mill environments where longer grease life and reduced maintenance are important.

Available models and complete dimensional data are listed in the following parameter table tab.

Models & Dimensions

Bearing Designation	Boundary Dimensions (mm) – d	Boundary Dimensions (mm) – D	Boundary Dimensions (mm) – T	Boundary Dimensions (mm) – B	Boundary Dimensions (mm) – d1	Boundary Dimensions (mm) – D1	Boundary Dimensions (mm) – r1,2min	Boundary Dimensions (mm) – r3,4min	Basic Load Ratings (kN) – Cr	Basic Load Ratings (kN) – Cor	Calculation Factors – e	Calculation Factors – Y1	Calculation Factors – Y2	Calculation Factors – Y0	Bearing Designation – SKF	Bearing Designation – FAG	kg
SFTB0001	152.4	244.475	187.325	192.088	170	218	1	3.3	1300	2160	0.33	2	3	2	BT4B329121G/HA1VA901	-	30
SFTB0002	203.2	317.5	266.7	266.7	230	282	2.5	3.3	2460	4900	0.31	2.2	3.3	2.2	BT4B329123G/HA1VA901	577254	76
SFTB0003	206.375	282.575	226	226	220	258	0.6	3.3	1300	3350	0.5	1.4	2	1.3	BT4B329090G/HA1VA901	-	40
SFTB0004	220	295	315	315	236	272	0.6	2.5	1510	4050	0.4	1.7	2.5	1.6	BT4B328853G/HA1VA902	-	55
SFTB0005	220.662	314.325	239.712	239.712	241	279	1.5	3.3	1790	3800	0.35	1.9	2.9	1.8	BT4B328546G/HA1	-	56
SFTB0006	228.6	400.05	296.875	296.875	265	346	2.5	3.3	3360	5700	0.44	1.5	2.3	1.4	BT4B328918G/HA1VA901	-	148
SFTB1007	240	338	340	340	260	306	1.5	4	2380	5500	0.4	1.7	2.5	1.6	BT4B328854G/HA1VA902	-	88
SFTB0007	241.478	349.148	228.6	228.6	265	317	1.5	3.3	1900	3650	0.35	1.9	2.9	1.8	BT4B328668G/HA1	573331	64
SFTB0008	254	358.775	269.875	269.875	272	320	1.5	3.3	2330	5400	0.33	2	3	2	BT4B329071G/HA1VA901	578140	84
SFTB0009	260	365	340	340	280	327	2.5	3.5	3140	8000	0.35	1.9	2.9	1.8	BT4B329093G/HA1VA902	-	112
SFTB0010	266.7	355.6	228.6	230.188	285	330	1.5	3.3	1720	4150	0.35	1.9	2.9	1.8	BT4B328468G/HA1	546485	68
SFTB0011	276.225	393.7	269.875	269.875	302	358	1	6.4	2750	5850	0.37	1.8	2.7	1.8	BT4B328920G/HA1VA901	567712	96
SFTB0012	279.4	393.7	269.875	269.875	302	358	1	6.4	2750	5850	0.37	1.8	2.7	1.8	BT4B328917G/HA1VA901	575940	69
SFTB0013	280	395	340	340	302	358	2.5	3.5	3580	8650	0.33	2	3	2	BT4B329092G/HA1VA901	-	128
SFTB0014	285.75	380.898	244.475	244.475	303	344	1	3.3	2200	5500	0.43	1.6	2.3	1.6	BT4B328878G/HA1VA901	564701A	74
SFTB0015	300	440	279.4	280.99	334	393	3.3	4.8	3080	6700	0.46	1.5	2.2	1.4	BT4B334126G/HA1VA901	-	137
SFTB0016	304.648	438.048	279.4	280.99	334	393	2	4.8	3080	6700	0.46	1.5	2.2	1.4	BT4B334408G/HA1VA901	579080	129
SFTB0017	304.8	419.1	269.875	269.875	328	380	1	6.4	2860	6950	0.35	1.9	2.9	1.8	BT4B329067G/HA1VA901	567935	108
SFTB0018	304.902	412.648	266.7	266.7	328	374	1	3.3	2510	6100	0.33	2	3	2	BT4B328278G/HA1	567163	98
SFTB0019	305	438.048	279.4	280.99	334	393	2	4.8	3080	6700	0.46	1.5	2.2	1.4	BT4B334076G/HA1VA901	564887	129
SFTB0020	317.5	422.275	269.875	269.875	338	388	1.5	3.3	2640	6550	0.33	2	3	2	BT4B334023G/HA1VA901	581035	98
SFTB0021	333.375	469.9	342.9	342.9	362	426	2.5	3.3	4290	10400	0.33	2	3	2	BT4B328921G/HA1VA901	-	182
SFTB0022	343.052	457.098	254	254	362	420	1	3.3	2700	6400	0.48	1.4	2.9	1.4	BT4B328817G/HA1VA901	564672A	109
SFTB0023	355.6	482.6	269.875	265.112	380	436	1.5	3.3	3080	7500	0.46	1.5	2.2	1.4	BT4B328870G/HA1VA901	567934	136
SFTB0024	385.762	514.35	317.5	317.5	412	470	1	3.3	3910	10000	0.4	1.7	2.5	1.6	BT4B334042G/HA1VA901	573580	174
SFTB0025	406.4	546.1	288.925	288.925	434	498	1.5	6.4	3910	9500	0.48	1.4	2.1	1.4	BT4B328838G/HA1VA901	572499	183
SFTB0026	409.575	546.1	334.962	334.962	434	498	1	6.4	4570	12000	0.4	1.7	2.5	1.6	BT4B329004G/HA1VA901	576482	210
SFTB0027	415.925	590.55	434.975	434.975	450	530	3.3	6.4	7040	18000	0.33	2	3	2	BT4B328893G/HA1VA901	576306	379
SFTB0028	416	574	440	440	450	530	2.5	5	6050	17000	0.33	2	3	2	BT4B334130G/HA1VA903	-	341
SFTB0029	430	575	380	380	458	530	1.5	5	5230	14300	0.33	2	3	2	BT4B334095G/HA1VA901	-	267
SFTB0030	440	590	480	480	468	539	1	5	7040	19200	0.28	2.4	3.6	2.5	BT4B334055G/HA1VA902	575693	371
SFTB0031	450	595	398	398	480	554	2	6	5500	16300	0.33	2	3	2	BT4B328846G/HA1VA901	-	301
SFTB0032	457.2	596.9	279.4	276.225	484	550	1.5	3.3	3960	10000	0.48	1.4	2.1	1.4	BT4B328827G/HA1VA901	567523	191
SFTB0033	460	610	360	360	488	555	3	6	5120	12900	0.37	1.8	2.7	1.8	BT4B328727G/HA1VA901	-	270
SFTB0034	475	600	368	368	498	560	2	6	4730	14000	0.33	2	3	2	BT4B334078G/HA1VA901	-	235
SFTB0035	479.425	679.45	495.3	495.3	360	420	3.3	6.4	8580	22400	0.33	2	3	2	BT4B334116G/HA1VA901	572067	565
SFTB0036	482.6	615.95	330.2	330.2	505	577	1	6.4	4950	13700	0.33	2	3	2	BT4B328842G/HA1VA901	564694A	232
SFTB0037	489.026	634.873	320.675	320.675	516	588	1	3.3	4840	12500	0.37	1.8	2.7	1.8	BT4B334014G/HA1VA901	572123	248
SFTB0038	510	655	379	377	536	594	1.5	6.4	5720	16300	0.35	1.9	2.9	1.8	BT4B334022G/HA1VA901	-	311
SFTB0039	540	690	434	434	565	636	2	5	7040	21200	0.33	2	3	2	BT4B334028G/HA1VA901	-	392
SFTB0040	558.8	736.6	322.262	322.262	595	685	1.5	6.4	5830	14300	0.35	1.9	2.9	1.8	BT4B328864G/HA1VA901	575848	343
SFTB0041	571.5	812.8	593.725	593.725	625	725	3.3	6.4	11900	33500	0.33	2	3	2	BT4B334144G/HA1VA901	-	998
SFTB0042	585.788	771.525	479.425	479.425	622	708	4	6.4	9520	27500	0.33	2	3	2	BT4B328888G/HA1VA901	575824	596
SFTB0043	609.6	787.4	361.95	361.95	645	735	3.3	6.4	6820	18600	0.37	1.8	2.7	1.8	BT4B328871G/HA1VA901	572690	430
SFTB0044	635	901.7	654.05	654.05	692	805	3.3	6.4	14500	41500	0.35	1.9	2.9	1.8	BT4B334141G/HA1VA901	580638	1354
SFTB1044	660	855	318.48	400.842	707	800	4	5	6270	17300	0.35	1.9	2.9	1.8	BT4B334002G/HA1VA901	-	488
SFTB1045	660.4	812.8	365.125	385.424	692	784	2	6.4	6600	20400	0.33	2	3	2	BT4B328977G/HA1VA901	-	396
SFTB0045	679.45	901.7	552.45	552.45	722	824	3.3	6.4	12100	36000	0.33	2	3	2	BT4B334015G/HA1VA901	575037	975
SFTB0046	682.625	965.2	701.675	701.675	740	860	3.3	6.4	17200	49000	0.35	1.9	2.9	1.8	BT4B334060G/HA1VA901	-	651
SFTB0047	685.8	876.3	355.6	352.425	730	818	3.3	6.4	7210	20000	0.37	1.8	2.7	1.8	BT4B328955G/HA1VA901	572930	506
SFTB0048	710	900	410	410	753	842	3	6	8250	24000	0.33	2	3	2	BT4B334051G/HA1VA901	-	602
SFTB0049	711.2	914.4	317.5	317.5	760	852	2.5	6.4	6600	17300	0.37	1.8	2.7	1.8	BT4B329010G/HA1VA901	-	490
SFTB0050	749.3	990.6	605	605	801	900	3.3	6.4	13200	40500	0.37	1.8	2.7	1.8	BT4B334082G/HA1VA901	-	1274
SFTB0051	762	1079.5	787.4	784.4	825	964	4.8	12.7	21200	61000	0.35	1.9	2.9	1.8	BT4B334075G/HA1VA901	-	2248
SFTB0052	825.5	1168.4	844.55	844.55	900	1050	4.8	12.7	24600	73500	0.31	2.2	3.3	2.2	BT4B334135G/HA1VA901	-	2958
SFTB0053	863.6	1169.987	844.55	844.55	912	1050	4.8	12.7	23300	71000	0.37	1.8	2.7	1.8	BT4B334150G/HA4VA901	-	2630

Sealed Four-Row Tapered Roller Bearings SFTB0001 SFTB0002 SFTB0003 SFTB0004 SFTB0005 BWK Bearing

Sealed Four-Row Tapered Roller Bearings

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