Inch tapered roller bearings

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Tapered roller bearings

The cone angle of the outer ring raceway of the single row tapered roller bearing is between 10 ° and 19 °, which can bear the combined action of axial load and radial load at the same time. The larger the cone angle, the greater the ability to withstand axial loads. Large cone angle bearing, rear code plus B, cone angle between 25 ° ~ 29 °, it can withstand large axial load. In addition, single row tapered roller bearings can adjust the size of the clearance during installation. The outer ring (or inner ring) of the double row tapered roller bearing is a whole. The small end faces of the two inner rings (or outer rings) are similar, and there is a spacer in the middle. The clearance is adjusted by the thickness of the spacer, and the thickness of the spacer can also be used to adjust the pre-interference of the double row tapered roller bearing.

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Tapered roller bearings

Single row tapered roller bearings have an outer ring, its inner ring and a set of tapered rollers by a basket cage package into an inner ring assembly. The outer ring can be separated from the inner ring assembly. According to the ISO tapered roller bearing outline dimension standard, any standard type of tapered roller bearing outer ring or inner ring assembly should be able to achieve international interchange with the same type of outer ring or inner ring assembly. That is, in addition to the external dimensions and tolerances of the same type of outer ring, the cone angle and cone diameter of the inner ring assembly must also comply with the relevant provisions of interchange.
Generally, the taper angle of the outer ring raceway of the single row tapered roller bearing is between 10 ° and 19 °, which can bear the combined action of axial load and radial load at the same time. The larger the cone angle, the greater the ability to withstand axial loads. Large cone angle bearing, rear code plus B, cone angle between 25 ° ~ 29 °, it can withstand large axial load. In addition, single row tapered roller bearings can adjust the size of the clearance during installation.
The outer ring (or inner ring) of the double row tapered roller bearing is a whole. The small end faces of the two inner rings (or outer rings) are similar, and there is a spacer in the middle. The clearance is adjusted by the thickness of the spacer, and the thickness of the spacer can also be used to adjust the pre-interference of the double row tapered roller bearing.
Four-row tapered roller bearings, the performance of this kind of bearing is basically the same as that of double-row tapered roller bearings, but the radial load is greater than that of double-row tapered roller bearings, and the limit speed is slightly lower. It is mainly used for heavy machinery.
Multi-sealed double and four-row tapered roller bearings. The new design of the bearing is personalized, the traditional design method of the fully sealed bearing is changed, and the new sealing structure type combining sealing and dustproof is adopted to improve the sealing effect and the sealing performance. Multi-sealed double, four-row tapered roller bearings compared with open structure bearings, life increased by 20% to 40%; lubricant consumption reduced by 80%.

Single row inch tapered roller bearings
Main dimensions (mm)							Rated load (kN)		Model
Inner ring			Outer ring			T	Rated load (kN)		Model
d	B	R	D	C	r	T	Cr	Cor
15.875	14.288	1.5	42.862	9.525	1.5	14.288	17.6	17.5	11590/20
22.225	20.168	1.5	52.388	14.288	1.5	19.368	40.5	43.0	1380/28
30.000	19.583	1.3	69.012	15.875	3.5	19.845	48.5	58.0	14117A/276
34.925	19.583	1.3	69.012	15.875	1.5	19.845	48.5	58.0	14137A/276
25.400	20.638	1.3	62.000	14.288	3.5	19.050	46.5	54.0	15100/245
25.400	20.638	2	61.912	14.288	0.8	19.050	46.5	54.0	15101/243
26.157	20.638	1.3	62.000	14.288	0.8	19.050	46.5	54.0	15103/245
26.988	20.638	1.3	62.000	14.288	0.8	19.050	46.5	54.0	15106/245
31.750	19.050	1.3	62.000	14.288		18.161	46.5	54.0	15123/245
31.750	20.638	1.3	62.000	14.288	3.5	19.050	46.5	54.0	15125/245
31.750	20.638	1.3	62.000	14.288	0.8	19.050	46.5	54.0	15126/245
41.275	17.462	1.5	73.025	12.700	3.5	16.667	46.0	55.5	18590/20
50.800	17.462	1.5	85.000	13.495	3.5	17.462	49.5	65.0	18790/20
41.275	23.020	0.8	76.200	17.462	3.5	22.225	65.0	80.5	24780/20
44.450	25.400	0.8	82.931	19.050	3.5	23.812	76.0	98.0	25580/20
45.618	25.400	0.8	82.931	19.050	3.5	23.812	76.0	98.0	25590/20
45.618	25.400	2	83.058	19.114	3.5	23.876	76.0	98.0	25590/22
46.038	25.400	0.8	82.931	19.050	3.5	23.812	76.0	98.0	25592/20
39.688	25.400	0.8	79.375	19.050	1.5	23.812	76.5	97.5	26880/22
36.487	25.654	3.3	76.200	19.050	1.5	23.812	73.0	90.5	2780/20
38.100	25.654	3.3	76.200	19.050	3.5	23.812	73.0	90.5	2788/20
38.100	23.698	1.5	80.035	18.512	0.8	24.608	67.0	82.5	27880/20
57.150	24.608	0.8	97.630	19.446	3.5	24.608	88.5	128	28682/22
34.925	23.812	3.3	73.025	17.462	0.8	22.225	62.5	75.5	2878/20
73.025	30.162	3.3	117.475	23.812	3.5	30.162	117	175	33287/462
46.038	21.692	1.3	85.000	17.462	3.5	20.638	69.5	79.5	359A/354A
50.800	22.225	1.3	88.900	16.513	1.5	20.638	76.5	90.5	368/362A
50.800	22.225	2	90.000	15.875	3.5	20.000	76.5	90.5	368A/362
50.800	30.302	3.3	93.264	23.812	3.5	30.162	102	134	3780/20
44.450	30.302	3.3	93.264	23.812	3.5	30.162	102	134	3782/20
57.150	21.946	0.8	96.838	15.875	2.3	21.000	78	96.5	387/382A
57.150	21.946	0.8	96.838	15.875	3.5	21.000	78	96.5	387A/382A
57.150	21.946	0.8	96.838	15.875	5	21.000	78	96.5	387AS/382A
38.100	29.083	1.5	88.500	22.225	3.5	26.988	95.5	107	418/414
82.550	33.338	3.3	133.350	26.195	3.5	33.338	153	235	47686/20
82.550	36.098	3.3	139.992	28.575	3.5	36.512	178	265	580/572
92.075	36.322	3.3	152.400	30.162	6.4	39.688	180	279	598A/592A
66.675	41.275	3.3	136.525	31.750	3.5	41.275	194	262	641/632
82.550	41.275	3.3	146.050	31.750	3.5	41.275	206	295	663/653
80.962	46.672	3.3	150.089	36.512	5	44.450	261	360	740/742
85.026	46.672	3.3	150.089	36.512	3.5	44.450	261	360	749/742
82.550	46.672	3.3	150.089	36.512	3.5	44.450	261	360	749A/742
88.900	48.260	3.3	161.925	38.100	3.5	47.625	270	385	759/752
66.675	38.354	1.5	122.238	29.718	3.5	38.100	187	244	HM212049/10
89.974	40.000	3.5	146.975	32.500	7	40.000	227	340	HM218248/10
38.100	28.575	3.3	82.550	23.020	0.8	29.370	87.0	117	HM801346/10
40.483	28.575	3.3	82.550	23.020	3.5	29.370	87.0	117	HM801349/10
44.450	29.370	3.3	88.900	23.020	3.5	30.162	93.5	125	HM803149/10
35.717	25.400	2.3	72.233	19.842	3.5	25.400	65.0	84.5	HM88648/10
34.925	25.400	2.3	72.233	19.842	2.3	25.400	65.0	84.5	HM88649/10
44.450	28.575	0.8	95.250	22.225	3.5	30.958	96.0	116	HM903249/10
38.000	17.000	1.3	63.000	13.500		17.000	38.5	52.5	JL69349/10
90.000	34.000	2.5	145.000	27.000	3	35.000	189	279	JM718149/10
25.400	14.732	1.3	50.292	10.668	1.3	14.224	28.8	34.0	L44643/10
26.988	14.732	1.3	50.292	10.668	3.5	14.224	28.8	34.0	L44649/10
29.000	14.732	1.3	50.292	10.668	3.5	14.224	28.0	35.5	L45449/10
34.988	16.764	1.3	59.974	11.938		15.875	35.5	47.5	L68149/11
45.242	19.812	0.8	73.431	15.748	3.5	19.558	54.0	76.0	LM102949/10
50.800	22.225	1.3	82.550	16.510	3.5	21.590	69.5	94.0	LM104949/11
17.462	14.605	1.3	39.878	10.668	1.3	13.843	23.8	24.2	LM11749/10
19.050	16.637	1.3	45.237	12.065	1.3	15.494	28.3	28.6	LM11949/10
21.986	16.637	1.3	45.974	12.065	1.3	15.494	29.6	34.0	LM12749/11
38.100	18.288	1.3	65.088	13.970		18.034	43.5	57.0	LM29748/10
40.988	18.000	1.5	67.975	13.500		17.500	46.0	62.5	LM300849/11
34.925	18.288	1.3	65.088	13.970		18.034	46.5	56.0	LM48548/10
34.925	18.288	1.3	65.088	13.970	0.8	18.034	46.5	56.0	LM48548A/10
41.275	19.812	0.8	73.431	14.732	3.5	19.558	56.0	69.5	LM501349/10
41.275	19.812	0.8	73.431	16.604	3.5	21.430	56.0	69.5	LM501349/14
45.242	19.842	0.8	77.788	15.080	3.5	19.842	57.5	73.5	LM603049/11
31.750	16.764	1.3	59.131	11.811		15.875	34.5	41.0	LM67048/10
22.606	15.500	1	47.000	12.000	1.5	15.500	27.5	32.5	LM72849/10
34.988	17.000	1.5	61.973	13.600	1.5	16.700	37.0	48.0	LM78349A/10A
22.225	18.288	1.3	50.005	13.970	1.3	17.526	38.0	39.0	M12648/10
21.430	18.288	1.3	50.005	13.970	1.3	17.526	38.0	39.0	M12649/10
41.275	25.654	3.3	82.550	20.193	3.5	26.543	80.5	104	M802048/11
25.400	19.431	1.5	57.150	14.732	1.5	19.431	42.0	48.5	M84548/10
25.400	21.433	1.5	64.292	16.670	1.5	21.433	51.5	64.5	M86643/10
30.162	21.433	1.5	64.292	16.670	1.5	21.433	51.5	64.5	M86649/10
33.338	22.225	1.5	68.262	17.462	0.8	22.225	56.5	71.0	M88048/10
28.575	22.225	3.3	73.025	17.462	0.8	22.225	56.5	68.0	02872/20
19.050	19.050	1.3	49.225	14.288	1.3	18.034	38.5	39.0	09067/195
19.050	19.050	1.5	49.225	17.462	1.3	21.209	38.5	39.0	09067/196
19.050	21.539	1.3	49.225	14.288	1.3	19.845	38.5	39.0	09078/195

Tapered roller bearings