Double-row tapered roller bearings

The double-row taper roller bearing is mainly used to support the combined load which is mianly consisted of radial load. It can restrict the axial displacement of the shaft or housing in the two directions. Application:rolling mills, gearboxes, hoisting

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Features
Technical data

Double row taper roller bearings have a small number of parts and high stiffness, and are easy to be mounted and dismounted, therefore, they are usually used in the applications with changes loads, such as reducers and coiling machines. The radial and axial clearance can be adjusted by changing the width of spacer between two inner rings.

Our double row tapered roller bearings are produced in two configurations and in several different designs:

The performance of type TDO bearing is the same as two single-two tapered roller bearings in back to back mounted.

Type TDI bearing is mainly used in roll necks with medium loads. This type of bearings have a cup spacer, and the clearance is asjustable.

Boundary dimensions						Basic load ratings		Designations		Mass	Limiting speeds
mm						kN		Current	Original	kg	r/min
d	D	T	C	rmin	r1min	Cr	Cor	Current	Original	kg	Grease	Oil
150	210	86	70	2.5	1	419	887	352930	2097930E	8.5	900	1300
	250	138	112	2.5	1	858	1620	352130	2097730	26	850	1100
	270	164	130	4	1	1250	2250	352230	97530E	38	800	1000
	270	172	138	4	1	1250	2250	352230X2	97530	38	800	1000
160	240	115	90	3	1	641	1400	352032X2	2097132	14.9	850	1100
	270	150	120	3	1	1050	2030	352132	2097732	32.5	800	1000
	290	178	144	4	1	1400	2730	352232	97532E	49	700	900
170	260	120	95	3	1	672	1460	352034X2	2097134	21	800	1000
180	280	134	108	3	1	952	1880	352036X2	2097136	29	670	850
	280	142	110	3	1	952	1880	352036	2097136E	28.5	800	1000
	300	164	134	3	1	1290	2540	352136	2097736	44	670	850
	320	192	152	5	1.1	1750	3350	352236	97536E	62.5	600	750
190	289.5	100	40	3	3	750	1500	372038	-	27	700	900
	320	170	130	3	1	1440	2800	352138	2097738	51	670	850
200	280	116	92	3	1	758	1423	352940X2/YA	2097940EK	14.8	700	900
	280	105	80	3	1	650	2660	352940X2	2097940	18.5	700	900
	310	152	120	2.5	1.1	1180	2720	352040X2	2097140	41	670	850
	340	184	150	3	1	1680	3340	352140	2097740	64	670	850
	360	218	174	5	1.1	2310	4250	352240	97540E	90.5	600	750
220	300	110	88	3	1.2	660	1710	352944X2	2097944	21.2	670	850
	340	165	130	4	1	1360	2790	352044X2	2097144	47.7	600	750
	370	195	150	4	1.1	1740	3450	352144	2097744	76.3	600	750
230	355	145	110	6	3	1060	2040	350646D1	37746	43.6	600	750
240	320	116	92	3	1	820	1910	352948	2097948E	22.3	600	750
	320	110	90	3	1.5	820	1910	352948X2	2097948	23	600	750
	360	165	130	4	1	1370	3180	352048X2	2097148	52.8	530	670
	360	166	128	4	1	1370	3180	352048	2097148E	55.6	530	670
260	360	134	52	3.5	2.5	1150	2300	372952K	-	43.5	530	670

Boundary dimensions						Basic load ratings		Designations		Mass	Limiting speeds
mm						kN		Current	Original	kg	r/min
d	D	T	C	rmin	r1min	Cr	Cor	Current	Original	kg	Grease	Oil
260	360	134	108	3	1	1263	2430	352952X2	2097952	36.8	530	670
	400	150	110	6	1.5	1240	2330	-	37852	60.3	530	670
	400	186	146	5	1.1	1780	3830	352052X2	2097152	76.8	500	630
	400	190	146	5	1.1	1780	3830	352052	2097152E	79.5	500	630
	430	180	130	10	3	2100	2800	350652D1	37752	87.9	500	630
	430	180	130	7.5	1.5	2237	3016	350652	97752	93.4	500	630
	440	225	180	4	1.1	2480	5050	352152	2097752	124	450	560
280	380	134	108	3	1.1	1080	2810	352956X2	2097956	41.3	480	600
	420	133	106	4	2	1270	1936	351056	97156	58.1	450	560
	420	186	146	5	1.1	1860	4000	352056X2	2097156	81.5	450	560
300	420	160	128	4	1.1	1470	3530	352960X2	2097960	64	450	560
	460	210	165	4	1.5	2200	4940	352060X2	2097160	118	430	530
	500	205	152	5	1.5	2200	4500	351160	1097760	144	400	500
320	440	160	128	4	1.5	1410	3830	352964X2	2097964	67	430	530
	480	210	84	5	4	2340	6130	372064X2	-	133	400	500
	480	210	160	5	1.1	1830	4390	352064X2	2097164	122	400	500
340	460	160	128	4	1	1575	4050	352968X2	2097968	71	400	500
	520	180	135	5	1.5	1904	4070	351068	97168	119	380	480
	580	242	170	5	1.5	2870	5970	351168	1097768	214	340	430
350	590	200	140	9.5	1.5	2800	5500	350670	97770	212	320	400
360	480	160	128	4	1	1490	4270	352972X2	2097972	74.3	380	480
	530	155	110	5	1.5	1690	3300	350672D1	37772	109	380	480
	530	155	110	5	1.5	1690	3300	350672	97772	107	380	480
	540	169	134	6	2	1980	3950	351072X2	97872	122	340	430
	540	185	140	5	1.5	2120	4910	351072	97172	127	360	450
	600	242	170	5	1.5	2950	6270	351172	1097772	235	320	400
379	681.5	307	118	2.5	6	5600	11700	3706/379	-	512	300	380

Boundary dimensions						Basic load ratings		Designations		Mass	Limiting speeds
mm						kN		Current	Original	kg	r/min
d	D	T	C	rmin	r1min	Cr	Cor	Current	Original	kg	Grease	Oil
380	520	145	105	4	1.1	1210	3250	351976	1097976	80.3	360	450
	560	190	140	5	1.5	2150	5090	351076	97176	146	340	430
	620	242	170	5	1.5	3310	7430	351176	1097776	243	300	380
400	540	150	105	4	1.1	1210	3110	351980	1097980	86.9	320	400
	590	185	123	5	2	2710	5950	350180D	37780	166	320	400
	600	206	150	5	1.5	2620	6380	351080	97180	180	300	380
420	560	145	105	4	1.1	1450	3740	351984	1097984	88.7	300	380
	620	190	125	5	1	2450	5700	350184D	37784	171	280	360
	620	206	150	5	1.5	2650	6600	351084	97184	187	280	360
	700	275	200	6	2.5	4270	8810	351184	1097784	392	240	340
440	600	170	125	4	1.1	1890	4860	351988	1097988	114	280	360
	650	212	152	6	2.5	2750	7020	351088	97188	213	260	340
460	620	174	130	4	1.1	1910	4990	351992	1097992	130	260	340
	680	230	175	6	2.5	2680	5900	351092	97192	253	220	300
480	650	180	130	5	1.5	1950	5270	351996	1097996	151	240	320
	700	240	180	6	2.5	3330	8190	351096	97196	281	200	280
490	640	180	144	7.5	3	2290	6600	350698	97798	140	220	300
500	670	180	130	5	1.5	2150	6120	3519/500	10979/500	159	220	300
	720	236	180	6	2.5	3390	8450	3510/500	971/500	289	190	260
520	740	190	120	2.5	2.5	2780	6800	3506/520	977/520	231	190	260
530	710	190	136	5	1.5	2390	6800	3519/530	10979/530	190	190	260
	730	250	106	6	6	5350	14800	3706/530	-	354	160	200
560	750	213	156	5	1.5	2550	7060	3519/560	10979/560	235	170	220
	820	260	185	6	2.5	4340	10800	3510/560	971/560	409	160	200
600	800	205	156	5	1.5	3210	9460	3519/600	10979/600	266	150	190
	870	270	198	6	2.5	4880	12730	3510/600	971/600	500	130	170

Boundary dimensions						Basic load ratings		Designations		Mass	Limiting speeds
mm						kN		Current	Original	kg	r/min
d	D	T	C	rmin	r1min	Cr	Cor	Current	Original	kg	Grease	Oil
630	850	242	182	6	2.5	3730	10390	3519/630	10979/630	368	130	170
670	900	240	180	6	2.5	5300	12300	3519/670	10979/670	416	120	160
710	950	240	175	6	2.5	4070	12400	3519/710X2	10979/710	444	100	140
	1030	236	208	7.5	4	5750	14300	3506/710	977/710	651	90	120
	1030	315	220	7.5	3	7830	18400	3510/710	971/710	774	90	120
720	915	190	140	3	6	3200	9650	3506/720	977/720	277	100	140
750	1000	264	194	6	2.5	5020	14480	3519/750	10979/750	499	90	120
800	1060	270	204	6	2.5	5020	15000	3519/800	10979/800	604	80	100
850	1120	268	188	6	2.5	5460	16860	3519/850	10979/850	636	75	95
950	1250	300	220	7.5	3	6790	21100	3519/950	10979/950	909	-	-
1120	1480	400	296	12	4	12060	34200	BT2B 332756	-	1760	-	-
1160	1540	400	290	12	4	12780	34200	BT2B 332780	-	1900	-	-
1250	1500	250	190	6	1.5	6633	20160	BT2B 328339	-	795	-	-
1778	2159	393.7	266.7	12.7	3	13860	47700	BT2B 332496	-	2750	-	-

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Our company can produce more than 3000 kinds of standard and nonstandard rolling bearings in 9 different categories. Our company products are commonly used in metallurgy, mining, machinery, petroleum industry, electricity etc.

Tapered Roller Bearings

Double-row tapered roller bearings

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