Tapered roller bearing metric model

Introduction to the known model of tapered roller bearings

Tolerances for tapered roller bearing metric model are in accordance with ISO 492 (GB 307). Any standard type of tapered roller bearing, its outer ring or inner ring assembly can be interchanged with the outer ring or inner ring assembly of the same type of bearing.

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Symbolic description of tapered roller bearings

Subject	Symbol	Description
Tapered Roller Bearings	A	Internal structure change
	B	Increased contact angle
	X	Dimensions are based on international standards
	CD	C double outer ring with oil hole or oil groove.
	TD	Double inner ring with tapered bore

Structure diagram of tapered roller bearing

Tapered roller bearings metric models and sizes

Bearing No.	Boundary dimensions (mm)					(Refer.) Mass NU (kg)
Bearing No.	d	D	T	B	C	(Refer.) Mass NU (kg)
30202R	15	35	11.75	11	10	0.054
30302	15	42	14.25	13	11	0.098
30203	17	40	13.25	12	11	0.081
32203	17	40	17.25	16	14	0.104
30303R	17	47	15.25	14	12	0.127
32303	17	47	20.25	19	16	0.17
32004	20	42	15	15	12	0.102
57008R	20	47	15.25	14	12	0.125
30204	20	47	15.25	14	12	0.127
32204	20	47	19.25	18	15	0.159
30304A	20	52	16.25	16	13	0.179
32304	20	52	22.25	21	18	0.244
320/22	22	44	15	15	11.5	0.108
32005	25	47	15	15	11.5	0.118
33005	25	47	17	17	14	0.131
30205	25	52	16.25	15	13	0.156
32205	25	52	19.25	18	16	0.188
33205	25	52	22	22	18	0.225
30305D	25	62	18.25	17	13	0.269
TR0506R	25	62	18.25	17	14	0.275
30305	25	62	18.25	17	15	0.273
32305	25	62	25.25	24	20	0.386
320/28	28	52	16	16	12	0.15
32006	30	55	17	17	13	0.177
33006	30	55	20	20	16	0.203
30206	30	62	17.25	16	14	0.236
32206	30	62	21.25	20	17	0.292
33206	30	62	25	25	19.5	0.359
30306D	30	72	20.75	19	14	0.4
TRA0607R	30	72	20.75	19	16	0.405
30306	30	72	20.75	19	16	0.411
32306	30	72	28.75	27	23	0.588
320/32	32	58	17	17	13	0.196
322/32	32	65	22.25	21	18	0.33
TR0608A	32	75	29.75	28	23	0.649
32007	35	62	18	18	14	0.231
33007	35	62	21	21	17	0.263
30207	35	72	18.25	17	15	0.344
32207	35	72	24.25	23	19	0.453
33207	35	72	28	28	22	0.551
30307D	35	80	22.75	21	15	0.536
30307	35	80	22.75	21	18	0.527
TR0708-1R	35	80	32.75	31	25	0.83
32307	35	80	32.75	31	25	0.776
32008	40	68	19	19	14.5	0.282
33008	40	68	22	22	18	0.326
33108	40	75	26	26	20.5	0.508
30208	40	80	19.75	18	16	0.434
32208	40	80	24.75	23	19	0.554
33208	40	80	32	32	25	0.758
30308D	40	90	25.25	23	17	0.757
30308	40	90	25.25	23	20	0.757
TR0809AR	40	90	35.25	33	26	1.1
32308	40	90	35.25	33	27	1.06
32009	45	75	20	20	15.5	0.354
33009	45	75	24	24	19	0.416
33109	45	80	26	26	20.5	0.563
30209	45	85	20.75	19	16	0.502
32209	45	85	24.75	23	19	0.597
33209	45	85	32	32	25	0.818
30309D	45	100	27.25	25	18	0.973
30309	45	100	27.25	25	22	1.01
32309	45	100	38.25	36	30	1.43
32910	50	72	15	15	12	0.195
32010	50	80	20	20	15.5	0.389
33010	50	80	24	24	19	0.451
33110	50	85	26	26	20	0.594
30210	50	90	21.75	20	17	0.566
32210	50	90	24.75	23	19	0.643
33210	50	90	32	32	24.5	0.887
30310D	50	110	29.25	27	19	1.25
30310	50	110	29.25	27	23	1.32
32310	50	110	42.25	40	33	1.89
32911	55	80	17	17	14	0.285
32011	55	90	23	23	17.5	0.569
33011	55	90	27	27	21	0.672
33111	55	95	30	30	23	0.868
30211	55	100	22.75	21	18	0.732
32211	55	100	26.75	25	21	0.863
33211	55	100	35	35	27	1.18
30311D	55	120	31.5	29	21	1.59
30311	55	120	31.5	29	25	1.65
32311	55	120	45.5	43	35	2.38
32912	60	85	17	17	14	0.306
32012	60	95	23	23	17.5	0.621
33012	60	95	27	27	21	0.719
33112	60	100	30	30	23	0.923
30212	60	110	23.75	22	19	0.945
32212	60	110	29.75	28	24	1.19
33212	60	110	38	38	29	1.57
30312D	60	130	33.5	31	22	2.01
30312	60	130	33.5	31	26	2.08
32312	60	130	48.5	46	37	2.99
32913	65	90	17	17	14	0.327
32013	65	100	23	23	17.5	0.664
33013	65	100	27	27	21	0.762
33113	65	110	34	34	26.5	1.33
30213	65	120	24.75	23	20	1.18
32213	65	120	32.75	31	27	1.58
33213	65	120	41	41	32	2.02
30313D	65	140	36	33	23	2.44
30313	65	140	36	33	28	2.56
32313	65	140	51	48	39	3.64
32914	70	100	20	20	16	0.496
32014	70	110	25	25	19	0.884
33014	70	110	31	31	25.5	1.09
33114	70	120	37	37	29	1.71
30214	70	125	26.25	24	21	1.32
32214	70	125	33.25	31	27	1.71
33214	70	125	41	41	32	2.16
30314D	70	150	38	35	25	2.97
30314	70	150	38	35	30	3.08
32314	70	150	54	51	42	4.5
32915	75	105	20	20	16	0.526
32015	75	115	25	25	19	0.93
33015	75	115	31	31	25.5	1.16
33115	75	125	37	37	29	1.84
30215	75	130	27.25	25	22	1.42
32215	75	130	33.25	31	27	1.77
33215	75	130	41	41	31	2.26
30315DR	75	160	40	37	26	3.48
30315	75	160	40	37	31	3.65
32315	75	160	58	55	45	5.41
32916	80	110	20	20	16	0.556
32016	80	125	29	29	22	1.32
33016	80	125	36	36	29.5	1.63
33116	80	130	37	37	29	1.93
30216	80	140	28.25	26	22	1.72
32216	80	140	35.25	33	28	2.17
33216	80	140	46	46	35	2.99
30316D	80	170	42.5	39	27	4.12
30316	80	170	42.5	39	33	4.46
32316	80	170	61.5	58	48	6.31
32917	85	120	23	23	18	0.794
32017	85	130	29	29	22	1.38
33017	85	130	36	36	29.5	1.72
33117	85	140	41	41	32	2.43
30217	85	150	30.5	28	24	2.17
32217	85	150	38.5	36	30	2.8
33217	85	150	49	49	37	3.63
30317D	85	180	44.5	41	28	4.81
30317	85	180	44.5	41	34	5.15
32317	85	180	63.5	60	49	7.42
32918	90	125	23	23	18	0.834
32018	90	140	32	32	24	1.8
33018	90	140	39	39	32.5	2.22
33118	90	150	45	45	35	3.13
30218	90	160	32.5	30	26	2.65
32218	90	160	42.5	40	34	3.47
30318DR	90	190	46.5	43	30	5.6
30318	90	190	46.5	43	36	6.04
32318	90	190	67.5	64	53	8.61
32019	95	145	32	32	24	1.88
33019	95	145	39	39	32.5	2.31
33119	95	160	49	49	38	3.89
30219	95	170	34.5	32	27	3.2
32219	95	170	45.5	43	37	4.34
33219	95	170	58	58	44	5.66
30319D	95	200	49.5	45	32	6.68
30319	95	200	49.5	45	38	6.96
32319	95	200	71.5	67	55	10.1
32920	100	140	25	25	20	1.19
32020	100	150	32	32	24	1.95
33020	100	150	39	39	32.5	2.4
33120	100	165	52	52	40	4.29
30220	100	180	37	34	29	3.83
32220	100	180	49	46	39	5.21
33220	100	180	63	63	48	6.92
30320D	100	215	51.5	47	34	8.02
30320	100	215	51.5	47	39	7.76
30320	100	215	51.5	47	39	8.49
31320	100	215	56.5	51	35	8.72
32320	100	215	77.5	73	60	13
32921	105	145	25	25	20	1.23
32021	105	160	35	35	26	2.45
33021	105	160	43	43	34	3.08
33121	105	175	56	56	44	5.33
30221	105	190	39	36	30	4.49
32221	105	190	53	50	43	6.37
33221	105	190	68	68	52	8.43
30321	105	225	53.5	49	41	9.73
31321	105	225	58	53	36	9.72
32321	105	225	81.5	77	63	14.9
32022	110	170	38	38	29	3.12
33022	110	170	47	47	37	3.81
33122	110	180	56	56	43	5.52
30222	110	200	41	38	32	5.33
32222	110	200	56	53	46	7.45
30322	110	240	54.5	50	42	11.4
31322	110	240	63	57	38	12.2
32322	110	240	84.5	80	65	17.8
32924	120	165	29	29	23	1.77
32024	120	180	38	38	29	3.34
33024	120	180	48	48	38	4.16
33124	120	200	62	62	48	7.73
30224	120	215	43.5	40	34	6.36
32224	120	215	61.5	58	50	9.04
30324	120	260	59.5	55	46	14.5
31324	120	260	68	62	42	15.4
32324	120	260	90.5	86	69	22.2
32926	130	180	32	32	25	2.42
32026	130	200	45	45	34	5.04
33026	130	200	55	55	43	6.19
30226	130	230	43.75	40	34	7.24
32226	130	230	67.75	64	54	11.5
30326	130	280	63.75	58	49	18.1
31326	130	280	72	66	44	18.9
32928	140	190	32	32	25	2.57
32028	140	210	45	45	34	5.28
33028	140	210	56	56	44	6.61
30228	140	250	45.75	42	36	8.97
32228	140	250	71.75	68	58	14.7
30328	140	300	67.75	62	53	22.6
31328	140	300	77	70	47	23.3
32930	150	210	38	38	30	3.96
32030	150	225	48	48	36	6.41
33030	150	225	59	59	46	8.09
30230	150	270	49	45	38	11.6
32230	150	270	77	73	60	18.2
30330	150	320	72	65	55	26.6
31330	150	320	82	75	50	28
32932	160	220	38	38	30	4.19
32032	160	240	51	51	38	7.75
30232	160	290	52	48	40	14.1
32232	160	290	84	80	67	23.2
30332	160	340	75	68	58	31.8
32934	170	230	38	38	30	4.49
32034	170	260	57	57	43	10.5
30234	170	310	57	52	43	17.8
32234	170	310	91	86	71	28.9
30334	170	360	80	72	62	37.5
32936	180	250	45	45	34	6.64
32036	180	280	64	64	48	14.1
30236	180	320	57	52	43	18.3
32236	180	320	91	86	71	29.9
32938	190	260	45	45	34	6.89
32038	190	290	64	64	48	14.7
30238	190	340	60	55	46	21.9
32238	190	340	97	92	75	36.6
32940	200	280	51	51	39	9.44
32040	200	310	70	70	53	19.1
30240	200	360	64	58	48	26.4
32240	200	360	104	98	82	44.2

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Tapered roller bearing metric model

Introduction to the known model of tapered roller bearings

Symbolic description of tapered roller bearings

Structure diagram of tapered roller bearing

Tapered roller bearings metric models and sizes

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