Spherical Roller Bearing

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A spherical roller bearing is a rolling-element bearing that allows for rotation with low friction and angular misalignment. These bearings generally support a rotating shaft in the bore of the inner ring, which may be misaligned to the outer ring. It can accommodate both radial and axial loads in two directions. We have developed a spherical roller bearing that features a high radial load capacity and self-alignment. No high-accuracy process for this chassis is required, meaning misalignment and deflection can be avoided, making the bearing more resistant to vibration and shocks.

Applications
As a common bearing type, this self-aligning bearing is suitable primarily for cages (retainers). They are widely used in paper mill machinery, speed reducers, axle on railway rolling stock, gearboxes, rollers, and bearing blocks of rolling mills, crushers, vibrating screens, printing machines, wood working machines and more.

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Inquiry

Model	Basic Dimensions (mm)			Limit Rotary Speed (r/min)		Basic Load Ratings		Weight (for reference)
Bearing NO.	d	D	B	Grease	Oil	Dynamic (kN)	Static(kN)	kg
21307/W33	35	80	21	4200	5600	70.7	73.3	0.547
21307K	35	80	21	4200	5600	70.7	73.3	0.547
21308/W33	40	90	23	3700	5000	87.6	92	0.751
21308K	40	90	23	3700	5000	87.6	92	0.751
21309/W33	45	100	25	3300	4400	105	112	1.01
21309K	45	100	25	3300	4400	105	112	1.01
21310/W33	50	110	27	3000	4000	121	129	1.3
21310K	50	110	27	3000	4000	121	129	1.3
21311/W33	55	120	29	2800	3700	141	152	1.66
21311K	55	120	29	2800	3700	141	152	1.66
21312/W33	60	130	31	2500	3400	165	175	1.99
21312K	60	130	31	2500	3400	165	175	1.99
21313/W33	65	140	33	2300	3100	186	197	2.45
21313K	65	140	33	2300	3100	186	197	2.45
21314/W33	70	150	35	2200	2900	206	223	2.98
21314K	70	150	35	2200	2900	206	223	2.98
21315/W33	75	160	37	2100	2700	249	270	3.63
21315K	75	160	37	2100	2700	249	270	3.63
21316/W33	80	170	39	1900	2600	272	306	4.29
21316K	80	170	39	1900	2600	272	306	4.29
21317/W33	85	180	41	1800	2400	297	351	5.19
21317K	85	180	41	1800	2400	297	351	5.19
21318/W33	90	190	43	1700	2300	320	387	6.09
21318K	90	190	43	1700	2300	320	387	6.09
21319/W33	95	200	45	1900	2500	366	500	7.15
21319K	95	200	45	1900	2500	366	500	7.15
21320/W33	100	215	47	2100	2700	397	546	8.81
21320K	100	215	47	2100	2700	397	546	8.81
21322/W33	110	240	50	2300	2900	460	634	9.46
21322K	110	240	50	2300	2900	460	634	9.46
22206/W33	30	62	20	5300	6700	30.5	38.2	0.283
22206K	30	62	20	5300	6700	30.5	38.2	0.3
22207/W33	35	72	23	4800	6000	45.2	59.5	0.45
22207K	35	72	23	4800	6000	45.2	59.5	0.43
22208/W33	40	80	23	4500	5600	49.8	68.5	0.524
2228K	40	80	23	4500	5600	49.8	68.5	0.55
22209/W33	45	85	23	4000	5000	52.2	73.2	0.58
22209K	45	85	23	4000	5000	52.2	73.2	0.59
22210/W33	50	90	23	3800	4800	52.2	73.2	0.62
22210K	50	90	23	3800	4800	52.2	73.2	0.87
22211/W33	55	100	25	3400	4300	60	87.2	0.84
22211K	55	100	25	3400	4300	60	87.2	0.86
22212/W33	60	110	28	3200	4000	81.8	112	1.2
22212K	60	110	28	3200	4000	81.8	112	1.22
22213/W33	65	120	31	2800	3600	88.5	128	1.6
22213K	65	120	31	2800	3600	88.5	128	1.63
22214/W33	70	125	31	2600	3400	95	142	1.7
22214K	70	125	31	2600	3400	95	142	1.66
22215/W33	75	130	31	2400	3200	95	142	1.8
22215K	75	130	31	2400	3200	95	142	1.75
22216/W33	80	140	33	2200	3000	115	180	2.2
22216K	80	140	33	2200	3000	115	180	2.2
22217/W33	85	150	36	2000	2800	145	228	2.7
22217K	85	150	36	2000	2800	145	228	2.8
22218/W33	90	160	40	1900	2600	168	272	3.28
22218K	90	160	40	1900	2600	168	272	4
22219/W33	95	170	43	1800	2400	212	322	4.1
22219K	95	170	43	1800	2400	212	322	4.2
22220/W33	100	180	46	1700	2000	222	358	5.01
22220K	100	180	46	1700	2000	222	358	5
22222/W33	110	200	53	1500	1900	288	465	7.2
22222K	110	200	53	1500	1900	288	465	7.4
22224/W33	120	215	58	1300	1700	342	565	8.9
22224K	120	215	58	1300	1700	342	565	9.2
22226/W33	130	230	64	1200	1600	408	708	11.2
22226K	130	230	64	1200	1600	408	708	11.2
22228/W33	140	250	68	1000	1400	478	805	14.5
22228K	140	250	68	1000	1400	478	805	14.5
22230/W33	150	270	73	1300	1600	508	875	18.57
22230K	150	270	73	1300	1600	508	875	18.57
22232/W33	160	290	80	1400	1900	879	1220	22.8
22232K	160	290	80	1400	1900	879	1220	22.8
22234/W33	170	310	86	1300	1800	983	1380	29.2
22234K	170	310	86	1300	1800	983	1380	29.2
22236/W33	180	320	86	1300	1700	1040	1490	30
22236K	180	320	86	1300	1700	1040	1490	30
22238/W33	190	340	92	1200	1600	1150	1700	37.3
22238K	190	340	92	1200	1600	1150	1700	37.3
22240/W33	200	360	98	1100	1500	1290	1910	43.2
22240K	200	360	98	1100	1500	1290	1910	43.2
22244/W33	220	400	108	1000	1400	1560	2260	59.5
22244K	220	400	108	1000	1400	1560	2260	59.5
222308/W33	40	90	33	4000	5000	73.5	90.5	1
222308K	40	90	33	4000	5000	73.5	90.5	1.03
222309/W33	45	100	36	3600	4500	108	140	1.38
222309K	45	100	36	3600	4500	108	140	1.4
222310/W33	50	110	40	3400	4300	128	170	1.85
222310K	50	110	40	3400	4300	128	170	1.9
222311/W33	55	120	43	3000	3800	155	198	2.35
222311K	55	120	43	3000	3800	155	198	2.4
222312/W33	60	130	46	2800	3600	168	225	2.95
222312K	60	130	46	2800	3600	168	225	3
222313/W33	65	140	48	2400	3200	188	252	3.55
222313K	65	140	48	2400	3200	188	252	3.6
222314/W33	70	150	51	2200	3000	230	315	4.4
222314K	70	150	51	2200	3000	230	315	4.4
222315/W33	75	160	55	2000	2800	262	388	5.4
222315K	75	160	55	2000	2800	262	388	5.4
222316/W33	80	170	58	1900	2600	288	405	6.39
222316K	80	170	58	1900	2600	288	405	6.4
222317/W33	85	180	60	1800	2400	308	440	7.25
222317K	85	180	60	1800	2400	308	440	7.4
222318/W33	90	190	64	1700	2200	365	542	8.6
222318K	90	190	64	1700	2200	365	542	8.8
222319/W33	95	200	67	1600	2000	385	570	10.1
222319K	95	200	67	1600	2000	385	570	10.3
222320/W33	100	215	73	1400	1800	450	668	13.4
222320K	100	215	73	1400	1800	450	668	13
222322/W33	110	240	80	1200	1600	545	832	18.1
222322K	110	240	80	1200	1600	545	832	18.1
222324/W33	120	260	86	1100	1500	645	992	22
222324K	120	260	86	1100	1500	645	992	22
222326/W33	130	280	93	950	1300	722	1140	28.5
222326K	130	280	93	950	1300	722	1140	29
222328/W33	140	300	102	900	1200	825	1340	34.5
222328K	140	300	102	900	1200	825	1340	36
222330/W33	150	320	108	1100	1500	1270	1750	43.7
222330K	150	320	108	1100	1500	1270	1750	43.7
222332/W33	160	340	114	1000	1400	1350	1860	51.9
222332K	160	340	114	1000	1400	1350	1860	51.9
222334/W33	170	360	120	700	1000	1110	1760	61.1
222334K	170	360	120	700	1000	1110	1760	61.1
222336/W33	180	380	126	930	1200	1640	2290	71.4
222336K	180	380	126	930	1200	1640	2290	71.4
222338/W33	190	400	132	880	1200	1810	2540	82.7
222338K	190	400	132	880	1200	1810	2540	82.7
222340/W33	200	420	138	840	1100	1990	2800	95.2
222340K	200	420	138	840	1100	1990	2800	95.2
222344/W33	220	460	145	760	1000	2290	3250	121
222344K	220	460	145	760	1000	2290	3250	121
222348/W33	240	500	155	500	630	1780	3340	5
222348K	240	500	155	500	630	1780	3340	5
222352/W33	260	540	165	480	600	2260	4310	6
222352K	260	540	165	480	600	2260	4310	6
222356/W33	280	580	175	450	560	2490	4780	6
222356K	280	580	175	450	560	2490	4780	6
23022/W33	110	170	45	1900	2500	304	489	3.79

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