Bearings-General bearings-Taper roller bearings
Metric

Taper roller bearings have tapered inner and outer ring raceways between which tapered rollers are arranged. If extended, the tapered surfaces converge towards a single point on the bearing axis. Their design makes taper roller bearings particularly suitable for the accommodation of combined radial and axial loads. The larger contact angle which corresponds to the angle of the outer ring raceway is, the larger the axial load carrying capacity. The inner ring with roller and cage assembly forms a unit (cone) which can be mounted separately from the outer ring (cup).

Single, double and four-row taper roller bearings with metric as well as inch dimensions are available. The single row bearings are the most prevalent.

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Principal dimensions (mm)							Bearing No.	Basic load ratings (N)		Speed ratings (rpm)		weight (Kg)
d	D	T	B	C	r	r1(min)		dynamic (Cr)	static (Cor)	grease	oil
15	35	11.75	11	10	0.6	0.6	30202	14500	13000	10000	14000	0.053
	42	14.25	13	11	0.6	0.6	30302	22800	21500	9000	12000	0.094
17	42	13.25	12	11	1	1	30203	20800	21800	9000	12000	0.079
	47	15.25	14	12	1	1	30303	28200	27200	8500	11000	0.129
	47	20.25	19	16	1	1	32303	35200	36200	8500	11000	0.173
20	42	15	15	12	0.6	0.6	32004	25000	28200	8500	11000	0.095
	47	15.25	14	12	1	1	30204	28200	30500	8000	10000	0.126
	52	16.25	15	13	1.5	1.5	30304	33000	33200	7500	9500	0.165
	52	22.25	21	18	1.5	1.5	32304	42800	46200	7500	9500	0.23
22	44	15	15	11.5	0.6	0.6	320/22	26000	30200	8000	10000	0.1
25	47	15	15	11.5	0.6	0.6	32005	28000	34000	7500	9500	0.11
	47	17	17	14	0.6	0.6	33005	32500	42500	7500	9500	0.129
	52	16.25	15	13	1	1	30205	32200	37000	7000	9000	0.154
	52	22	22	18	1.5	1.5	33205	47000	55800	7000	9000	0.216
	62	18.25	17	15	1.5	1.5	30305	46800	48000	6300	8000	0.263
	62	18.25	17	13	1.5	1.5	31305	40500	46000	6300	8000	0.262
	62	25.25	24	20	1	1	32305	61500	68800	6300	8000	0.368
28	52	16	16	12	1	1	320/28	31500	40500	6700	8500	0.142
	58	24	24	19	1	1	332/28	58000	68200	6300	8000	0.286
30	55	17	17	13	1	1	32006	35800	46800	6300	8000	0.17
	55	20	20	16	1	1	33006	43800	58800	6300	8000	0.201
	62	17.25	16	14	1	1	30206	43200	50500	6000	7500	0.231
	62	21.25	20	17	1	1	32206	51800	63800	6000	7500	0.287
	62	25	25	19.5	1	1	33206	63800	75500	6000	7500	0.342
	72	20.75	19	16	1.5	1.5	30306	59000	63000	5600	7000	0.387
	72	20.75	19	14	1.5	1.5	31306	52500	60500	5600	7000	0.392
	72	28.75	17	23	1.5	1.5	32306	81500	96500	5600	7000	0.562
32	58	17	17	13	1	1	320/32	36500	49200	6000	7500	0.187
	65	26	26	20.5	1	1	332/32	68800	82200	5600	7000	0.385
35	62	18	18	14	1	1	32007	43200	59200	5600	7000	0.224
	62	21	21	17	1	1	33007	46800	63200	5600	7000	0.254
	72	18.25	17	15	1.5	1.5	30207	54200	63500	5300	6700	0.331
	72	24.25	23	19	1.5	1.5	32207	70500	89500	5300	6700	0.445
	72	28	28	22	1.5	1.5	33207	82500	102000	5300	6700	0.515
	80	22.75	21	18	2	2	30307	75200	82500	5000	6300	0.515
	80	22.75	21	15	2	2	31307	65800	76800	5000	6300	0.514
	80	32.75	31	25	2	2	32307	99000	118000	5000	6300	0.763
40	68	19	19	14.5	1	1	32008	51800	71000	5300	6700	0.267
	68	22	22	18	1	1	33008	60200	79500	5300	6700	0.306
	75	26	26	20.5	1.5	1.5	33108	84800	110000	5000	6300	0.496
	80	19.75	18	16	1.5	1.5	30208	63000	74000	5000	6300	0.422
	80	24.75	23	19	1.5	1.5	32208	77800	97200	5000	6300	0.532
	80	32	32	25	1.5	1.5	33208	10500	135000	5000	6300	0.715
	90	25.25	23	20	2	1.5	30308	90800	108000	4500	5600	0.747
	90	25.25	23	17	2	1.5	31308	81501	96500	4500	5600	0.727
	90	35.25	33	27	2	1.5	32308	11500	148000	4500	5600	1.04
45	75	20	20	16	1	1	32009	58500	81500	5000	6300	0.377
	75	24	24	19	1.5	1.5	33009	72500	100000	5000	6300	0.398
	80	26	26	20.5	1.5	1.5	33109	87000	118000	4500	5600	0.535
	85	20.75	19	16	1.5	1.5	30209	67800	83500	4500	5600	0.474
	85	24.75	23	19	1.5	1.5	32209	80800	105000	4500	5600	0.573
	85	32	32	25	2	1.5	33209	110000	145000	4500	5600	0.771
	100	27.25	25	22	2	1.5	30309	108000	130000	4000	5000	0.984
	100	27.25	25	18	2	1.5	31309	95500	115000	4000	5000	0.944
	100	38.25	36	30	2	1.5	32309	145000	188000	4000	5000	1.4
50	80	20	20	15.5	1	1	32010	61000	89000	4500	5600	0.366
	80	24	24	19	1	1	33010	76800	110000	4500	5600	0.433
	85	26	26	20	1.5	1.5	33110	89200	125000	4300	5300	0.572
	90	21.75	20	17	1.5	1.5	30210	73200	92000	4300	5300	0.529
	90	24.75	23	19	1.5	1.5	32210	82800	108000	4300	5300	0.626
	90	32	32	24.5	1.5	1.5	33210	112000	155000	4300	5300	0.825
	110	29.25	27	23	2.5	2	30310	130000	158000	3800	4800	1.28
	110	29.95	27	19	2.5	2	31310	108000	128000	3800	4800	1.21
	110	42.25	40	33	2.5	2	32310	178000	235000	3800	4800	1.89
55	90	23	23	17.5	1.5	1.5	32011	80200	118000	4000	5000	0.551
	90	27	27	21	1.5	1.5	33011	94800	145000	4000	5000	0.651
	95	30	30	23	1.5	1.5	33111	115000	165000	3800	4800	0.843
	100	22.75	21	18	2	1.5	30211	90800	115000	3800	4800	0.713
	100	26.75	25	21	2	1.5	32211	108000	142000	3800	4800	0.853
	100	35	35	27	2	1.5	33211	142000	198000	3800	4800	1.15
	120	31.5	29	25	2.5	2	30311	152000	188000	3400	4300	1.63
	120	31.5	29	21	2.5	2	31311	130000	158000	3400	4300	1.56
	120	45.5	43	35	2.5	2	32311	202000	270000	3400	4300	2.37

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