Tapered Roller Bearings

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Tapered roller bearings are bearings that can take large axial forces (i.e., they are good thrust bearings) as well as being able to sustain large radial forces.
The inner and outer ring raceways are segments of cones and the rollers are also made with a taper so that the conical surfaces of the raceways and the roller axes if projected, would all meet at a common point on the main axis of the bearing.
The rollers are guided by a flange on the inner ring. This stops the rollers from sliding out at high speed due to their momentum.
The larger the half angles of these cones the larger the axial force that the bearing can sustain.
Tapered roller bearings are separable and have the following components: outer ring, inner ring, and roller assembly (containing the rollers and a cage). The non-separable inner ring and roller assembly is called the cone, and the outer ring is called the cup.

Basic	Nominal Bearing Dimensions					Preferred Shoulder Diameters		Basic		Effective	Limiting		Weight
Basic	Nominal Bearing Dimensions					Preferred Shoulder Diameters		Load Ratings		Center Load	Speeds		Weight
Bearing	d	D	T	B	C	r1	r2	Load Ratings		Center Load
No.	d	D	T	B	C	(Min Inner Ring)	(Min Out Ring)	Cr	Cor	a	Grease	Oil	(Approx.)
	mm	mm	mm	mm	mm	mm	mm	KN	KN	mm	rpm	rpm	kg
30203	17	40	13.25	12	11	1	1	20.91	21.92	9.9	9900	13000	0.078
30204	20	47	15.25	14	12	1	1	28.49	30.6	11.2	8800	12000	0.124
30205	25	52	16.25	15	13	1	1	32.67	36.97	12.5	7300	10000	0.151
30206	30	62	17.25	16	14	1	1	43.58	50.48	13.8	6300	8400	0.229
30207	35	72	18.25	17	15	1.5	1.5	54.28	63.47	15.3	5500	7400	0.328
30208	40	80	19.25	18	16	1.5	1.5	62.95	73.92	16.9	4900	6600	0.419
30209	45	85	20.75	19	16	1.5	1.5	67.84	83.58	18.6	4400	6000	0.474
30210	50	90	21.75	20	17	1.5	1.5	73.26	92.1	20	4000	5300	0.529
30211	55	100	22.75	21	18	2	1.5	90.51	113.7	21	3600	5000	0.74
30212	60	110	23.75	22	19	2	1.5	102.85	130.07	22	3400	4500	0.904
30213	65	120	24.75	23	20	2	1.5	118.81	152.69	23.5	3100	4200	1.18
30214	70	125	26.5	24	21	2	1.5	131.7	173.73	25.5	2900	4000	1.26
30215	75	130	27.5	25	22	2	1.5	138.06	185.45	27	2800	3800	1.41
30216	80	140	28.25	26	22	2.5	2	159.43	212.95	27.5	2600	3400	1.72
30217	85	150	30.5	28	24	2.5	2	176.34	236.95	30	2400	3200	2.14
30218	90	160	32.5	30	26	2.5	2	198.94	269.72	32	2200	3000	2.66
30219	95	170	34.5	32	27	3	2.5	255.76	309.23	34	2200	2800	3.07
30220	100	180	37	34	29	3	2.5	258	335	36	2000	2700	3.78
30221	105	190	39	36	30	3	2.5	287	380	38.1	1900	2500	4.51
30222	110	200	41	38	32	3	2.5	325	435	40.1	1800	2400	5.28
30224	120	215	43.5	40	34	3	2.5	345	470	44.4	1700	2200	6.28
30226	130	230	43.75	40	34	4	3	375	505	45.8	1500	2000	7.25
30228	140	250	45.75	42	36	4	3	390	515	48.9	1400	1900	8.74
☆We reserve the right to change specifications and other information included in this catalogue without notice.

Nominal Bearing Dimensions						Preferred Shoulder Diameters		Basic Load		Effective Load	Limiting
Bearing	d	D	T	B	C	r1	r2	Ratings		Center	Speeds		Weight
No.	d	D	T	B	C	(Min Inner Ring)	(Min Out Ring)	Cr	Cor	a	Grease	Oil	Kg
	mm	mm	mm	mm	mm	mm	mm	KN	KN	mm	rpm	rpm	kg
	mm	mm	mm	mm	mm	mm	mm	KN	KN	mm	rpm	rpm	kg
30302	15	42	14.25	13	11	1	1	23.2	21.6	9.6	9900	13000	0.094
30303	17	47	15.25	14	12	1	1	28.9	27.2	10.4	9000	12000	0.129
30304	20	52	16.25	15	13	1.5	1.5	35.5	34	11.1	8000	11000	0.165
30305	25	62	18.25	17	15	1.5	1.5	48.5	48.1	13	6700	8900	0.263
30306	30	72	20.75	19	16	1.5	1.5	60	63.1	15.3	5700	7600	0.387
30307	35	80	22.75	21	18	2	1.5	75.3	82.6	16.8	5000	6700	0.515
30308	40	90	25.25	23	20	2	1.5	91.5	107.6	19.5	4400	5900	0.747
30309	45	100	27.25	25	22	2	1.5	111	129.8	21.3	4000	5300	0.984
30310	50	110	29.25	27	23	2.5	2	133	152	23	3600	4800	1.31
30311	55	120	31.5	29	25	2.5	2	155	179	24.5	3300	4400	1.66
30312	60	130	33.5	31	26	3	2.5	183	214	26.5	3000	4000	2.06
30313	65	140	36	33	28	3	2.5	203	238	28.5	2800	3700	2.55
30314	70	150	38	35	30	3	2.5	230	272	30	2600	3500	3.06
30315	75	160	40	37	30	3	2.5	255	305	32	2400	3200	3.57
30316	80	170	42.5	39	33	3	2.5	297	350	34	2300	3000	4.41
30317	85	180	44.5	41	34	4	3	305	365	35.5	2100	2900	5.2
30318	90	190	46.5	43	36	4	3	270	320	37.5	1940	2640	6.03
30319	95	200	49.5	45	38	4	3	296	355	40	1900	2530	6.98
30320	100	215	51.5	47	39	4	3	365	445	41.5	1800	2400	8.56
30321	105	225	53.5	49	41	4	3	455	565	43.2	1700	2300	9.52
30322	110	240	54.5	50	42	4	3	485	595	45.1	1600	2200	11

Nominal Bearing Dimensions						Preferred Shoulder Diameters		Basic Load		Effective Load	Limiting
Bearing	d	D	T	B	C	r1	r2	Ratings		Center	Speeds		Weight
No.	d	D	T	B	C	(Min Inner Ring)	(Min Out Ring)	Cr	Cor	a	Grease	Oil	Kg
	mm	mm	mm	mm	mm	mm	mm	KN	KN	mm	rpm	rpm	kg
32004	20	42	15	15	12	0.6	0.6	24.9	27.9	10.5	9500	13000	0.097
32005	25	47	15	15	12	0.6	0.6	27.8	33.5	12	8000	11000	0.114
32006	30	55	17	17	13	1	1	37.5	46.5	13.5	6900	9200	0.166
32007	35	62	18	18	14	1	1	41.5	52.5	15.5	6100	8100	0.224
32008	40	68	19	19	15	1	1	50	65.5	15	5300	7100	0.273
32009	45	75	20	20	16	1	1	57.5	76.5	16.5	4800	6400	0.346
32010	50	80	20	20	16	1	1	62.5	88	17.5	4400	6000	0.366
32011	55	90	23	23	18	1.5	1.5	80.5	118	20	4000	5400	0.563
32012	60	95	23	23	18	1.5	1.5	82	123	21	3700	5000	0.576
32013	65	100	23	23	18	1.5	1.5	83	128	22.5	3400	4600	0.63
32014	70	110	25	25	19	1.5	1.5	105	160	24	3200	4300	0.848
32015	75	115	25	25	19	1.5	1.5	106	167	25.5	3000	4000	0.909
32016	80	125	29	29	22	1.5	1.5	139	216	27	2800	3700	1.28
32017	85	130	29	29	22	1.5	1.5	142	224	28.5	2600	3600	1.35
32018	90	140	32	32	24	2	1.5	168	270	30	2500	3300	1.79
32019	95	145	32	32	24	2	1.5	171	280	31.5	2400	3200	1.83
32020	100	150	32	32	24	2	1.5	170	281	32.5	2200	3000	1.91
32021	105	160	35	35	26	2.5	2	204	340	34.3	2100	2800	2.48
32022	110	170	38	38	29	2.5	2	236	390	35.9	2000	2700	3.09
32024	120	180	38	38	29	2.5	2	245	420	39.7	1800	2500	3.27
32026	130	200	45	45	34	2.5	2	320	545	43.9	1700	2200	5.06

Nominal Bearing Dimensions						Preferred Shoulder Diameters		Basic Load		Effective Load	Limiting
Bearing	d	D	T	B	C	r1	r2	Ratings		Center	Speeds		Weight
No.	d	D	T	B	C	(Min Inner Ring)	(Min Out Ring)	Cr	Cor	a	Grease	Oil	Kg
	mm	mm	mm	mm	mm	mm	mm	KN	KN	mm	rpm	rpm	kg
32203	17	40	17.25	16	14	1	1	27.3	28.3	11.5	9900	13200	0.102
32204	20	47	19.25	18	15	1	1	36.5	39.5	12.5	8800	12000	0.16
32205	25	52	19.25	18	16	1	1	42	47	14	7300	9810	0.187
32206	30	62	21.25	20	17	1	1	54.5	64	15.5	6300	8400	0.301
32207	35	72	24.25	23	19	1.5	1.5	72.5	87	17.5	5500	7400	0.457
32208	40	80	24.75	23	19	1.5	1.5	79.5	93.5	19	4900	6600	0.558
32209	45	85	24.75	23	19	1.5	1.5	82	100	20	4400	6000	0.607
32210	50	90	24.75	23	19	1.5	1.5	87.5	109	21	4000	5300	0.648
32211	55	100	26.75	25	21	2	1.5	108	134	22.5	3600	5000	0.876
32212	60	110	29.75	28	24	2	1.5	130	164	25	3400	4500	1.18
32213	65	120	32.75	31	27	2	1.5	159	206	27	3100	4200	1.58
32214	70	125	33.25	31	27	2	1.5	166	220	28.5	2900	4000	1.68
32215	75	130	33.25	31	27	2	1.5	168	224	30	2800	3800	1.74
32216	80	140	35.25	33	28	2.5	2	199	265	31	2600	3400	2.18
32217	85	150	38.5	36	30	2.5	2	224	300	33.5	2400	3200	2.75
32218	90	160	42.5	40	34	2.5	2	262	360	36	2200	3000	3.49
32219	95	170	45.5	43	37	3	2.5	299	415	39	2200	2800	4.3
32220	100	180	49	46	39	3	2.5	330	465	41.5	2000	2700	5.12
32221	105	190	53	50	43	3	2.5	380	540	44.8	1900	2500	6.25
32222	110	200	56	53	46	3	2.5	420	605	47.2	1800	2400	7.35
32224	120	215	61.5	58	50	3	2.5	460	680	52	1700	2200	9

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