Inch series Double-row tapered roller bearings

Inch series Double-row tapered roller bearings

Double row tapered roller bearings are used to carry combined radial and axial loads mainly consisting of radial load. They can limit axial displacement in two direction of the shafts (or shells) and can therefore be used as bidirectional axial positioning bearings.

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Specifications

Inch series tapered roller bearings（Double-row）


Dimensions						Basic load rating		Bearing code	Installation size					Calculation constant	Axial load factor			weight
mm						kN			DA max	DA min	a2	Ramax	Ramax	e	Y2	Y3	Y0	kg
d	D	T	B	r	r1	Cr	Cor		mm					e	Y2	Y3	Y0	kg
174.625	288.925	123.825	123.825	1.6	3.2	1080	1950	HM237542D/HM237510	200.9	260.1	5	3.2	1.6	0.32	2.12	3.15	2.07	31.6
177.800	247.650	90.488	90.488	1.6	3.2	593	1400	67790D/67720	189.5	226.5	5	3.2	1.6	0.44	1.54	2.29	1.50	13.3
	285.750	106.363	106.360	1.6	3.2	760	1430	EE91700D/91112	200.6	251.8	4	3.2	1.6	0.43	1.57	2.34	1.53	26.0
	288.925	158.750	158.750	1.6	3.2	1080	1950	HM237546D/HM237510	200.9	260.1	8	3.2	1.6	0.32	2.12	3.15	2.07	37.0
	304.800	114.300	109.438	3.2	3.2	939	1600	EE280700D/281200	207.2	271.3	7	3.2	3.2	0.36	1.87	2.79	1.83	33.1
187.325	269.875	101.600	101.600	1.6	3.2	704	1610	M238849D/M238810	206.4	245.5	5	3.2	1.6	0.33	2.03	3.02	1.98	19.0
	319.964	161.925	168.275	3.2	4.8	1280	2450	EE222074D/222126	211.9	280.4	4	4.8	3.2	0.40	1.68	2.50	1.64	53.8
	319.964	161.925	168.275	3.2	4.8	1460	2530	H239649D/H239610	211.3	286.3	5	4.8	3.2	0.32	2.12	3.15	2.07	51.4
	320.675	161.925	168.275	3.2	4.8	1280	2450	EE222074D/222128	211.9	280.4	4	4.8	3.2	0.40	1.68	2.50	1.64	54.3
	320.675	161.925	168.275	3.2	4.8	1460	2530	H239649D/H239612	211.3	286.3	5	4.8	3.2	0.32	2.12	3.15	2.07	51.9
190.500	317.500	133.350	133.350	6.4	3.2	1040	2270	93751D/93125	222.9	278.4	7	3.2	6.4	0.52	1.29	1.92	1.26	43.1
	317.500	133.350	142.875	6.4	3.2	1040	2270	93751D/93126	222.9	276.8	2	3.2	6.4	0.52	1.29	1.92	1.26	45.0
	365.049	152.400	158.750	3.2	3.2	1610	2920	EE420750D/421437	238.7	317	6	3.2	3.2	0.40	1.68	2.50	1.64	77.2
	368.300	152.400	158.750	3.2	3.2	1610	2920	EE420750D/421450	238.7	317	6	3.2	3.2	0.40	1.68	2.50	1.64	79.4
199.975	317.500	133.350	133.350	6.4	3.2	1040	2270	93788D/93125	222.9	278.4	7	3.2	6.4	0.52	1.29	1.92	1.26	40.1
	317.500	133.350	142.875	6.4	3.2	1040	2270	93788D/93126	222.9	276.8	2	3.2	6.4	0.52	1.29	1.92	1.26	42.0
203.200	317.500	95.250	95.250	3.2	3.2	753	1450	EE132081D/132125	235.4	285	7	3.2	3.2	0.31	2.15	3.21	2.11	28.0
	317.500	123.825	133.350	1.6	3.2	1040	2270	93800D/93126	222.9	276.8	2	3.2	1.6	0.52	1.29	1.92	1.26	38.8
	317.500	133.350	133.350	6.4	3.2	1040	2270	93801D/93125	222.9	278.4	7	3.2	6.4	0.52	1.29	1.92	1.26	39.1
	317.500	133.350	142.875	6.4	3.2	1040	2270	93801D/93126	222.9	276.8	2	3.2	6.4	0.52	1.29	1.92	1.26	41.0
	319.088	95.250	95.250	3.2	3.2	753	1450	EE132081D/132127	235.4	285	7	3.2	3.2	0.31	2.15	3.21	2.11	28.6
	365.049	152.400	158.750	3.2	3.2	1610	2920	EE420800D/421437	238.7	317	6	3.2	3.2	0.40	1.68	2.50	1.64	72.5
	365.049	152.400	158.750	SP	SP	1570	2820	45T413716	238	317	3.2	2	2	0.40	1.68	2.50	1.64	71.0
	365.049	158.750	158.750	3.2	3.2	1610	2920	EE420801D/421437	237.5	317	6	3.2	3.2	0.40	1.68	2.50	1.64	73.1
	368.300	152.400	158.750	3.2	3.2	1610	2920	EE420800D/421450	238.7	317	6	3.2	3.2	0.40	1.68	2.50	1.64	74.8


Dimensions						Basic load rating		Bearing code	Installation size					Calculation constant	Axial load factor			weight
mm						kN			DA max	DA min	a2	Ramax	Ramax	e	Y2	Y3	Y0	kg
d	D	T	B	r	r1	Cr	Cor		mm					e	Y2	Y3	Y0	kg
203.2	368.3	158.75	158.75	3.2	3.2	1610	2920	EE420801D/421450	237.5	317	6	3.2	3.2	0.4	1.68	2.5	1.64	75.4
	279.4	87.313	87.313	0.8	3.2	598	1410	67985D/67919	219.1	259.1	7	3.2	0.8	0.51	1.33	1.97	1.3	15.2
	282.575	87.313	87.313	0.8	3.2	598	1410	67895D/67920	219.1	259.1	7	3.2	0.8	0.51	1.33	1.97	1.3	16.1
	336.55	184.15	180.975	1.6	3.2	1770	3800	H242649D/H242610	232.1	300.1	9	3.2	1.6	0.33	2.03	3.02	1.98	65.1
215.9	285.75	85.725	85.725	0.8	3.2	611	1560	LM742749D/LM742710	228	265.2	6	3.2	0.8	0.48	1.4	2.09	1.37	14.9
	288.925	85.725	85.75	0.8	3.2	611	1560	LM742749D/LM742714	228	265.2	6	3.2	0.8	0.48	1.4	2.09	1.37	15.8
	355.6	120.65	120.65	1.6	1.6	1250	2610	EE130850D/131400	260.5	319.2	9	1.6	1.6	0.33	2.04	3.04	2	50
216.103	330.2	127	130.175	1.6	3.2	1140	2360	9974D/9920	236.8	300.7	7	3.2	1.6	0.55	1.22	1.82	1.19	38.8
	330.2	142.875	152.4	3.2	3.2	1140	2360	9977D/9920	238.7	300.7	7	3.2	3.2	0.55	1.22	1.82	1.19	43.3


Dimensions						Basic load rating		Bearing code	Installation size					Calculation constant	Axial load factor			weight
mm						kN			DA max	DA min	a2	Ramax	Ramax	e	Y2	Y3	Y0	kg
d	D	T	B	r	r1	Cr	Cor		mm					e	Y2	Y3	Y0	kg
219.075	358.775	200.025	196.85	1.6	6.4	2120	4580	H244849D/H244810	244.3	319.4	9	6.4	1.6	0.33	2.03	3.02	1.98	80.9
220.663	314.325	115.888	115.888	1.6	3.2	1050	2450	M244249D/M244210	240.4	288.1	5	3.2	1.6	0.33	2.03	3.02	1.98	29
225.425	355.6	120.65	120.65	5.6	1.6	1250	2610	EE130887D/131400	260.5	319.2	9	1.6	5.6	0.33	2.04	3.04	2	46.8
	355.6	165.1	158.75	7.9	1.6	1250	2610	EE130888D/131400	259.4	319.2	9	1.6	7.9	0.33	2.04	3.04	2	58.5
228.6	355.6	120.65	120.65	1.6	1.6	1250	2610	EE130900D/131400	260.5	319.2	9	1.6	1.6	0.33	2.04	3.04	2	45.8
	355.6	120.65	120.65	5.6	1.6	1250	2610	EE130901D/131400	260.5	319.2	9	1.6	5.6	0.33	2.04	3.04	2	45.8
	355.6	165.1	158.75	7.9	1.6	1250	2610	EE130903D/131400	259.4	319.2	9	1.6	7.9	0.33	2.04	3.04	2	57.04
	400.05	139.7	139.7	3.2	3.2	1560	2950	EE529091D/529157	277	351.1	6	3.2	3.2	0.31	2.19	3.25	2.14	76.3
	400.05	161.925	158.75	3.2	3.2	1690	3210	EE430901D/431575	261.5	344.6	8	3.2	3.2	0.44	1.54	2.29	1.5	84.5
	425.45	165.1	177.8	3.6	6.4	2010	3950	EE700090D/700167	282.1	364.4	6	6.4	3.6	0.33	2.03	3.02	1.98	115
234.95	327.025	93.663	93.663	1.6	3.2	802	1860	8576D/8520	255.5	299.9	7	3.2	1.6	0.41	1.66	2.47	1.62	24.2
	328.625	93.663	93.663	1.6	3.2	802	1860	8576D/8522	255.5	299.9	7	3.2	1.6	0.41	1.66	2.47	1.62	24.8
	384.175	209.55	209.55	1.6	6.4	2480	5370	H247549D/H247510	261.5	341.7	8	6.4	1.6	0.33	2.03	3.02	1.98	99.3
241.224	349.148	107.95	107.95	1.6	3.2	950	2050	EE127094D/127135	267.2	319.1	7	3.2	1.6	0.35	1.91	2.84	1.86	34
	350.838	107.95	107.95	1.6	3.2	950	2050	EE127094D/127137	267.2	319.1	7	3.2	1.6	0.35	1.91	2.84	1.86	34.8
	355.498	107.95	107.95	1.6	3.2	950	2050	EE127094D/127138	267.2	319.1	7	3.2	1.6	0.35	1.91	2.84	1.86	36.9


Dimensions						Basic load rating		Bearing code	Installation size					Calculation constant	Axial load factor			weight
mm						kN			DA max	DA min	a2	Ramax	Ramax	e	Y2	Y3	Y0	kg
d	D	T	B	r	r1	Cr	Cor		mm					e	Y2	Y3	Y0	kg
241.224	355.6	107.95	107.95	1.6	3.2	950	2050	EE127094D/127140	267.2	319.1	7	3.2	1.6	0.35	1.91	2.84	1.86	37
241.3	355.524	109.525	109.525	SP	SP	950	2050	45T483611	267	319	6	2.5	2	0.35	1.91	2.84	1.86	37
	355.6	92.862	92.71	1.6	3.2	870	1850	EE170951D/171400	277.7	327.8	10	3.2	1.6	0.36	1.86	2.77	1.82	32.6
	365.049	92.862	92.71	1.6	3.2	870	1850	EE170951D/171436	277.7	327.8	10	3.2	1.6	0.36	1.86	2.77	1.82	36.5
	368.3	92.862	92.71	1.6	3.2	870	1850	EE170951D/171450	277.7	327.8	10	3.2	1.6	0.36	1.86	2.77	1.82	37.8
241.478	349.148	107.95	107.95	1.6	3.2	950	2050	EE127097D/127135	267.2	319.1	7	3.2	1.6	0.35	1.91	2.84	1.86	34
	350.838	107.95	107.95	1.6	3.2	950	2050	EE127097D/127137	267.2	319.1	7	3.2	1.6	0.35	1.91	2.84	1.86	34.7
	355.498	107.95	107.95	1.6	3.2	950	2050	EE127097D/127138	267.2	319.1	7	3.2	1.6	0.35	1.91	2.84	1.86	36.9
	355.6	107.95	107.95	1.6	3.2	950	2050	EE127097D/127140	267.2	319.1	7	3.2	1.6	0.35	1.91	2.84	1.86	36.9
244.475	327.025	92.075	92.075	1.6	3.2	787	1890	LM247748D/LM247710	264.5	305.9	7	3.2	1.6	0.32	2.1	3.13	2.06	21.5
	381	146.05	146.05	3.2	4.8	1350	2930	EE126096D/126150	268.8	336.7	5	4.8	3.2	0.52	1.31	1.95	1.28	62.2
247.65	400.05	114.3	119.06	1.6	6.4	1300	2570	EE220975D/221575	291.8	359.1	6	6.4	1.6	0.39	1.71	2.54	1.67	56.4
	406.4	219.075	215.9	3.2	6.4	2770	6250	HH249949D/HH249910	278.3	361.8	11	6.4	3.2	0.33	2.03	3.02	1.98	116
250.825	422.275	139.7	152.4	3.6	3.2	1730	3360	HM252340D/HM252310	305.3	384.3	1	3.2	3.6	0.33	2.03	3.02	1.98	83
	431.724	139.7	145.258	3.6	3.6	1730	3360	HM252340D//HM252315	305.3	384.5	4	3.6	3.6	0.33	2.03	3.02	1.98	88.5
254	355.6	92.862	92.71	1.6	3.2	870	1850	EE171000D/171400	277.7	327.8	10	3.2	1.6	0.36	1.86	2.77	1.82	29.1
	358.755	130.175	130.175	3.2	3.2	1330	3170	M249748D/M249710	276.6	330.1	8	3.2	3.2	0.33	2.03	3.02	1.98	42.1
	365.049	92.862	92.71	1.6	3.2	870	1850	EE171000D/171436	277.7	327.8	10	3.2	1.6	0.36	1.86	2.77	1.82	32.9
	368.3	92.862	92.71	1.6	3.2	870	1850	EE171000D/171450	277.7	327.8	10	3.2	1.6	0.36	1.86	2.77	1.82	34.2
	422.275	139.7	152.4	3.6	3.2	1730	3360	HM252343D/HM252310	305.3	384.3	1	3.2	3.6	0.33	2.03	3.02	1.98	81.6
	422.275	139.7	152.4	3.6	3.2	1730	3360	HM252344D/HM252310	305.3	384.3	1	3.2	3.6	0.33	2.03	3.02	1.98	81.6
	422.275	152.4	152.4	6.7	3.2	1730	3360	HM252342D/HM252310	303	384.3	1	3.2	6.7	0.33	2.03	3.02	1.98	83.7
	431.724	139.7	145.258	3.6	3.6	1730	3360	HM252343D/HM252315	305.3	384.5	4	3.6	3.6	0.33	2.03	3.02	1.98	87.1
	431.724	139.7	145.258	3.6	3.6	1730	3360	HM252344D/HM252315	305.3	384.5	4	3.6	3.6	0.33	2.03	3.02	1.98	87.1
	431.724	152.4	145.258	6.7	3.6	1730	3360	HM252342D/HM252315	303	384.5	4	3.6	6.7	0.33	2.03	3.02	1.98	89.2

Note : SP indicates a special chamfer


Dimensions						Basic load rating		Bearing code	Installation size					Calculation constant	Axial load factor			weight
mm						kN			DA max	DA min	a2	Ramax	Ramax	e	Y2	Y3	Y0	kg
d	D	T	B	r	r1	Cr	Cor		mm					e	Y2	Y3	Y0	kg
254	444.5	133.35	133.35	3.2	6.4	1470	2770	EE822101D/822175	310.9	392.1	7	6.4	3.2	0.42	1.62	2.42	1.59	86.9
260.35	365.125	107.95	107.95	3.2	6.4	970	2150	EE134102D/134143	282.9	334.7	8	6.4	3.2	0.37	1.8	2.69	1.76	34.4
	368.3	107.95	107.95	3.2	6.4	970	2150	EE134102D/134145	282.9	334.7	8	6.4	3.2	0.37	1.8	2.69	1.76	35.9
	400.05	114.3	119.06	6.4	6.4	1300	2570	EE221025D/221575	291.8	359.1	6	6.4	6.4	0.39	1.71	2.54	1.67	51.8
	422.275	139.7	152.4	3.6	3.2	1730	3360	HM252347D/HM252310	305.3	384.3	1	3.2	3.6	0.33	2.03	3.02	1.98	78.8


Dimensions						Basic load rating		Bearing code	Installation size					Calculation constant	Axial load factor			weight
mm						kN			DA max	DA min	a2	Ramax	Ramax	e	Y2	Y3	Y0	kg
d	D	T	B	r	r1	Cr	Cor		mm					e	Y2	Y3	Y0	kg
	422.275	180.975	152.4	9.5	3.2	1730	3360	HM252348D/HM252310	298	384.3	1	3.2	9.5	0.33	2.03	3.02	1.98	84.5
	422.275	152.4	155.575	6.4	3.2	1730	3360	HM252348D/HM252310	303.6	384.3	1	3.2	6.4	0.33	2.03	3.02	1.98	81.5
	422.275	152.4	155.575	6.4	3.2	1730	3360	HM252349D/HM252310	303.6	384.3	1	3.2	6.4	0.33	2.03	3.02	1.98	81.5
	431.724	139.7	145.258	3.6	3.6	1730	3360	HM252347D/HM252315	305.3	384.5	4	3.6	3.6	0.33	2.03	3.02	1.98	84.3
	431.724	180.975	145.258	9.5	3.6	1730	3360	HM252348DD/HM252315	298	384.5	4	3.6	6.4	0.33	2.03	3.02	1.98	90
	431.724	152.4	148.433	6.4	3.6	1730	3360	HM252348D/HM252315	303.6	384.5	4	3.6	6.4	0.33	2.03	3.02	1.98	87.1
	431.724	152.4	148.433	6.4	3.6	1730	3360	HM252349D/HM252315	303.6	384.5	4	3.6	6.4	0.33	2.03	3.02	1.98	87.1
	444.5	196.85	196.85	6.4	3.2	2380	4530	823103D/823175	292.8	396.6	12	3.2	6.4	0.55	1.24	1.84	1.21	125
266.7	355.6	109.538	107.95	1.6	3.2	1040	2550	LM451349D/LM451310	284.1	332	8	3.2	1.6	0.36	1.87	2.79	1.83	29.5
	357.2	109.538	107.95	1.6	3.2	1040	2550	LM451349D/LM451312	284.1	332	8	3.2	1.6	0.36	1.87	2.79	1.83	30.2
	393.7	130.175	130.175	3.2	6.4	1270	3090	EE275106D/275155	309	364.4	5	6.4	3.2	0.4	1.68	2.5	1.64	55.3
	403.225	130.175	122.24	3.2	6.4	1270	3090	EE275106D/275158	309	365.4	9	6.4	3.2	0.4	1.68	2.5	1.64	59.4
	406.4	130.175	122.24	3.2	6.4	1270	3090	EE275106D/275160	309	365.4	9	6.4	3.2	0.4	1.68	2.5	1.64	61.3
269.875	381	136.525	136.525	3.2	3.2	1460	3350	M252349D/M252310	290.9	350.8	6	3.2	3.2	0.33	2.03	3.02	1.98	48.4
276.225	393.7	130.175	130.175	1.6	6.4	1270	3090	EE275109D/275155	309	364.4	5	6.4	1.6	0.4	1.68	2.5	1.64	51.2
	403.225	130.175	122.24	1.6	6.4	1270	3090	EE275109D/275158	309	365.4	9	6.4	1.6	0.4	1.68	2.5	1.64	55.3
	406.4	130.175	122.24	1.6	6.4	1270	3090	EE275109D/275160	309	365.4	9	6.4	1.6	0.4	1.68	2.5	1.64	57.2
279.4	393.7	127	127	1.6	6.4	1200	2780	EE135111D/125155	304.3	360.9	9	6.4	1.6	0.38	1.77	2.64	1.73	48.9
	457.2	244.475	244.475	1.6	6.4	3300	7540	HH255149D/HH255110	314.2	406.7	11	6.4	1.6	0.33	2.03	3.02	1.98	166
	469.9	166.688	169.863	6.4	3.2	2100	4370	EE722111D/722185	328.4	412.5	7	3.2	6.4	0.38	1.79	2.67	1.75	121


Dimensions						Basic load		Designations	Installation dimensions					Calculated constant	Axial load			Mass
Dimensions						ratings		Designations	Installation dimensions					Calculated constant	factors			Mass
mm						kN			damax	Damin	a2	ramax	ra1max	e	Y2	Y3	Y0	kg
d	D	T	B	r	r1	Cr	Cor		mm
279.4	469.9	184.15	169.863	9.5	3.2	2100	4370	EE722112D/722185	324.9	412.5	7	3.2	9.5	0.38	1.79	2.67	1.75	123
	495.3	134.938	137.952	1.6	3.2	1750	3220	EE941106D/941950	349.3	440.5	7	3.2	1.6	0.4	1.68	2.5	1.64	114
279.578	380.898	117.475	117.475	1.6	3.2	1140	2820	LM654644D/LM654610	302.8	356.1	7	3.2	1.6	0.43	1.57	2.34	1.53	38.9
280	406.4	206.375	206.375	3.2	3.2	1310	2950	EE128113D/128160	307.1	368.9	7	3.2	3.2	0.39	1.75	2.61	1.71	81.4
	406.4	206.375	206.375	3.2	3.2	1310	2950	EE128114D/128160	307.1	368.9	7	3.2	3.2	0.39	1.75	2.61	1.71	81.4
	409.981	206.375	206.375	3.2	3.2	1310	2950	EE128113D/128161	307.1	368.9	7	3.2	3.2	0.39	1.75	2.61	1.71	85.1
	409.981	206.375	206.375	3.2	3.2	1310	2950	EE128114D/128161	307.1	368.9	7	3.2	3.2	0.39	1.75	2.61	1.71	85.1
285.75	380.898	117.475	117.475	1.6	3.2	1140	2820	LM654648D/LM654610	302.8	356.1	7	3.2	1.6	0.43	1.57	2.34	1.53	36.4
	469.9	142.875	138.928	1.6	3.2	1960	3460	EE921126D/921850	333.5	429	9	3.2	1.6	0.29	2.31	3.44	2.26	97.5
	469.9	142.875	138.928	1.6	3.2	1960	3460	EE921150D/921850	333.5	429	9	3.2	1.6	0.29	2.31	3.44	2.26	97.5
	476.25	142.875	138.928	1.6	3.2	1960	3460	EE921126D/921875	333.5	429	9	3.2	1.6	0.29	2.31	3.44	2.26	103
	476.25	142.875	138.928	1.6	3.2	1960	3460	EE921150D/921875	333.5	429	9	3.2	1.6	0.29	2.31	3.44	2.26	103
288.925	406.4	144.463	144.463	3.2	3.2	1720	4420	M255449D/M255410	315.6	373.9	8	3.2	3.2	0.34	2	2.97	1.95	61.4
292.1	422.275	130.175	130.175	6.4	3.2	1580	3410	EE330116D/330166	321	387.9	7	3.2	6.4	0.32	2.11	3.14	2.06	59.9
	558.8	285.75	285.75	3.2	6.4	4040	8000	EE790117D/790221	359.8	487.9	10	6.4	3.2	0.4	1.71	2.54	1.67	318
298.45	438.048	131.763	131.763	3.2	3.2	1510	3450	EE329118D/329172	336.6	399.7	10	3.2	3.2	0.33	2.04	3.04	2	68.9
	444.5	107.95	111.125	7.9	3.2	1240	2760	EE291176D/291749	344	403.5	11	3.2	7.9	0.38	1.79	2.66	1.75	61.1
	444.5	107.95	111.125	7.9	1.6	1240	2760	EE291176D/291750	344	403.5	11	1.6	7.9	0.38	1.79	2.66	1.75	61.2
299.974	438.048	134.938	133.35	3.2	4.8	1350	3230	EE129119D/129172	338.1	400.5	7	4.8	3.2	0.4	1.68	2.5	1.64	68.7
300.038	422.275	150.813	150.813	3.2	3.2	1700	4030	HM256849D/HM256810	323.9	388.3	7	3.2	3.2	0.34	2	2.98	1.96	66.2
	422.275	150.813	150.813	6.4	3.2	1700	4030	HM256849DA/HM256810	323.9	388.3	7	3.2	6.4	0.34	2	2.98	1.96	66.1
303.213	495.3	263.525	263.525	3.2	6.4	3990	9340	HH258249D/HH258210	341.5	441.7	8	6.4	3.2	0.33	2.03	3.02	1.98	207
304.648	438.048	131.763	131.763	3.2	3.2	1510	3450	EE329117D/329172	336.6	399.7	10	3.2	3.2	0.33	2.04	3.04	2	65.9
	438.048	131.763	131.763	3.2	3.2	1510	3450	EE329119D/329172	336.6	399.7	10	3.2	3.2	0.33	2.04	3.04	2	65.9
	438.048	134.938	133.35	3.2	4.8	1350	3230	EE129121D/129172	338.1	400.5	7	4.8	3.2	0.4	1.68	2.5	1.64	66.4

For more product models, please see "Product introduction" ↓

Product introduction

The performance of double row tapered roller bearings (type TDO) is similar to that of two single row tapered roller bearings installed back to back, but the double row tapered roller bearings have fewer parts, are easier to install and disassemble and have better rigidity. Therefore, they are often used for alternating load carrying conditions, such as reducer, coiling machine and so on.

The performance of the double row tapered roller bearings (type TDI) is similar to that of two single row tapered roller bearings installed face to face. Compared to double row tapered roller bearings (type TDO), double row tapered roller bearings (type TDI) have smaller installing space but less rigidity. Most of them are used as positioning end bearings carrying medium load, such as roll bearing positioning end, reducer and so on.

There is a spacer ring between the two inner rings of an double row tapered roller bearing (type TDO) and a spacer ring between the two outer rings of an double row tapered roller bearing (type TDI). The radial and axial clearance of the bearing can be adjusted by changing the thickness of the spacer ring.

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