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Self-aligning Ball Bearing

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Product Name: Self-aligning Ball Bearing
Model NO.: Open type

Product Details: Self-aligning Ball Bearing

1. The self-aligning ball bearing has two rows of balls and a common concave sphered raceway in the outer ring. The bearing is consequently self-aligning and insensitive to angular misalignments of the shaft relative to the housing. It is particularly suitable for applications where considerable shaft deflections or misalignment are to be expected. Additionally, the self-aligning ball bearing has the lowest friction of all rolling bearings, which enables it to run cooler even at high speeds.

2. Features:
With two structures of bore cylindrical or tapered and retainers made of steel sheet or synthetic resins, the bearings are characteristic of their spherically formed outer ring raceways allowing for misalignment within 3 degree deflection between inner ring and outer ring, so as to compensate concentricity and deflection errors.

3. Applications:
Widely used in machinery of mining, power, and textile etc.

Boundary Dimensions (mm)				Basic Load Rating		Limiting Speed		Bearing Designation		Shoulder Dimensions (mm)				Coefficient of axial load			Mass (kg)
Boundary Dimensions (mm)				( kN )		(rpm)		Bearing Designation		Shoulder Dimensions (mm)				Coefficient of axial load			Approx
d	D	B	r	Cr	Cor	Grease	Oil	Cylindrical bore	Tapered bore	da	Da	ra	e	Y1	Y2	Y0	Cylindrical bore	Tapered bore
5	19	6	0.3	2.55	0.48	30000	37000	135		7	17	0.3	0.34	1.6	2.87	1.94	0.009
6	19	6	0.3	2.5	0.48	30000	37000	126		8	17	0.3	0.34	1.86	2.87	1.94	0.009
7	22	7	0.3	2.65	0.56	27000	33000	127		9	20	0.3	0.35	1.82	2.82	1.91	0.014
8	22	7	0.3	2.6	0.56	26000	33000	108		10	20	0.3	0.35	1.82	2.82	1.91	0.014
9	26	8	0.6	3.8	0.8	23000	29000	129		13	22	0.6	0.34	1.86	2.87	1.94	0.022
10	30	9	0.6	5.5	1.2	23000	28000	1200		14	26	0.6	0.33	1.92	2.97	2.01	0.034
	30	14	0.6	7.4	1.6	23000	29000	2200		14	26	0.6	0.59	1.07	1.65	1.12	0.047
	35	11	0.6	7.25	1.6	20000	24000	1300		14	31	0.6	0.34	1.85	2.87	1.94	0.058
	35	17	0.6	9.3	2.1	18000	24000	2300		14	31	0.6	0.59	1.07	1.66	1.13	0.085
12	32	10	0.6	5.6	1.25	21000	26000	1201		16	28	0.6	0.33	1.89	2.93	1.98	0.04
	32	14	0.6	7.65	1.75	21000	26000	2201		16	28	0.6	0.53	1.18	1.83	1.24	0.053
	37	12	1	9.4	2.15	18000	22000	1301		17	32	1	0.36	1.77	2.74	1.86	0.067
	37	17	1	9.7	2.3	16000	22000	2301		17	32	1	0.54	1.17	1.81	1.23	0.095
15	35	11	0.6	7.45	1.75	18000	22000	1202		19	31	0.6	0.33	1.9	2.95	2	0.049
	35	14	0.6	7.7	1.85	18000	22000	2202		19	31	0.6	0.5	1.27	1.97	1.33	0.06
	42	13	1	9.55	2.3	16000	20000	1302		20	37	1	0.34	1.86	2.88	1.95	0.094
	42	17	1	12.1	2.9	14000	20000	2302		20	37	1	0.5	1.27	1.96	1.33	0.114
17	40	12	0.6	7.9	2	16000	20000	1203		21	36	0.6	0.31	2.03	3.14	2.12	0.073
	40	16	0.6	9.8	2.4	16000	20000	2203		21	36	0.6	0.5	1.27	1.96	1.33	0.088
	47	14	1	12.5	3.2	14000	17000	1303		22	42	1	0.33	1.92	2.97	2.01	0.13
	47	19	1	14.5	3.6	13000	18000	2303		22	42	1	0.49	1.28	1.98	1.34	0.158
20	47	14	1	9.9	2.6	14000	17000	1204	1204K	25	42	1	0.29	2.16	3.35	2.27	0.12	0.118
	47	18	1	12.6	3.3	14000	17000	2204	2204K	25	42	1	0.48	1.31	2.02	1.37	0.14	0.136
	52	15	1.1	12.4	3.3	13000	15000	1304	1304K	26.5	45.5	1	0.3	2.12	3.28	2.22	0.163	0.161
	52	21	1.1	18	4.7	11000	15000	2304	2304K	26.5	45.5	1	0.49	1.29	2	1.35	0.209	0.205
25	52	15	1	12.1	3.3	12000	14000	1205	1205K	30	47	1	0.28	2.28	3.52	2.39	0.141	0.138
	52	18	1	12.6	3.3	12000	15000	2205	2205K	30	47	1	0.4	1.58	2.45	1.66	0.163	0.158
	62	17	1.1	18	5	9900	12000	1305	1305K	31.5	55.5	1	0.27	2.31	3.57	2.42	0.257	0.252
	62	24	1.1	24.4	6.6	9400	13000	2305	2305K	31.5	55.5	1	0.46	1.36	2.1	1.42	0.335	0.327
30	62	16	1	15.6	4.65	9900	12000	1206	1206K	35	57	1	0.25	2.55	3.94	2.67	0.22	0.216
	62	20	1	15.6	4.65	10000	12000	2206	2206K	35	57	1	0.35	1.79	2.77	1.87	0.26	0.254
	72	19	1.1	21.3	6.3	8700	11000	1306	1306K	36.5	65.5	1	0.26	2.4	3.72	2.52	0.387	0.381
	72	27	1.1	31.4	8.75	8000	11000	2306	2306K	36.5	65.5	1	0.44	1.44	2.23	1.51	0.5	0.489
35	72	17	1.1	15.8	5.1	8500	10000	1207	1207K	41.5	65.5	1	0.23	2.71	4.2	2.84	0.323	0.317
	72	23	1.1	21.6	6.6	8500	10000	2207	2207K	41.5	65.5	1	0.37	1.71	2.65	1.79	0.403	0.396
	80	21	1.5	25.1	7.85	7600	9300	1307	1307K	43	72	1.5	0.25	2.48	3.84	2.6	0.51	0.502
	80	31	1.5	39.4	11.3	7100	9800	2307	2307K	43	72	1.5	0.45	1.39	2.15	1.46	0.675	0.657
40	80	18	1.1	19.2	6.5	7500	9200	1208	1208K	46.5	73.5	1	0.22	2.83	4.38	2.97	0.417	0.411
	80	23	1.1	22.4	7.4	7600	9300	2208	2208K	46.5	73.5	1	0.33	1.92	2.96	2.01	0.505	0.494
	90	23	1.5	29.5	9.7	6900	8400	1308	1308K	48	82	1.5	0.25	2.57	3.98	2.69	0.715	0.704
	90	33	1.5	44.9	13.5	6200	8600	2308	2308K	48	82	1.5	0.43	1.47	2.27	1.54	0.925	0.903
45	85	19	1.1	21.8	7.35	7000	8500	1209	1209K	51.5	78.5	1	0.21	2.94	4.56	3.09	0.465	0.459
	85	23	1.1	23.3	8.15	7000	8500	2209	2209K	51.5	78.5	1	0.3	2.09	3.23	2.19	0.545	0.533
	100	25	1.5	38.1	12.7	6100	7500	1309	1309K	53	92	1.5	0.25	2.56	3.95	2.68	0.957	0.942
	100	36	1.5	54.4	16.7	5600	7700	2309	2309K	53	92	1.5	0.42	1.51	2.33	1.58	1.23	1.2
50	90	20	1.1	22.7	8.1	6500	7900	1210	1210K	56.5	83.5	1	0.21	3.07	4.76	3.22	0.525	0.515
	90	23	1.1	23.3	8.5	6500	7900	2210	2210K	56.5	83.5	1	0.27	2.33	3.61	2.45	0.59	0.577
	110	27	2	43.4	14.1	5600	6800	1310	1310K	59	101	2	0.23	2.7	4.17	2.83	1.21	1.19
	110	40	2	64.6	20.3	5100	7000	2310	2310K	59	101	2	0.4	1.56	2.41	1.63	1.64	1.6
55	100	21	1.5	26.8	10	5800	7100	1211	1211K	63	92	1.5	0.2	3.19	4.94	3.34	0.705	0.693
	100	25	1.5	26.8	10	5800	7100	2211	2211K	63	92	1.5	0.27	2.35	3.64	2.47	0.81	0.792
	120	29	2	51.3	17.9	5000	6200	1311	1311K	64	111	2	0.23	2.7	4.18	2.83	1.58	1.56
	120	43	2	75.3	24	4600	6400	2311	2311K	64	111	2	0.41	1.53	2.37	1.6	2.1	2.05
60	110	22	1.5	30.2	11.5	5200	6400	1212	1212K	68	102	1.5	0.19	3.37	5.22	3.53	0.9	0.885
	110	28	1.5	34.1	12.6	5300	6500	2212	2212K	68	102	1.5	0.28	2.26	3.49	2.36	1.09	1.07
	130	31	2.1	57.2	20.8	4500	5500	1312	1312K	71	119	2	0.22	2.91	4.5	3.05	1.96	1.93
	130	46	2.1	87.2	28.3	4200	5800	2312	2312K	71	119	2	0.39	1.62	2.51	1.7	2.6	2.53
65	120	23	1.5	31	12.5	4800	5800	1213	1213K	73	112	1.5	0.17	3.67	5.68	3.84	1.15	1.13
	120	31	1.5	43.5	16.4	4900	5900	2213	2213	73	112	1.5	0.28	2.24	3.47	2.35	1.46	1.43
	140	33	2.1	61.7	22.9	4300	5200	1313	1313K	76	129	2	0.23	2.73	4.23	2.86	2.45	2.41
	140	48	2.1	95.8	32.5	3800	5300	2313	2313K	76	129	2	0.38	1.66	2.58	1.74	3.23	3.15
70	125	24	1.5	34.6	13.8	4600	5700	1214	1214K	78	117	1.5	0.18	3.48	5.38	3.64	1.26
	125	31	1.5	43.9	17.1	4600	5600	2214	2214K	78	117	1.5	0.26	2.42	3.74	2.53	1.52
	150	35	2.1	74	27.7	4000	4900	1314	1314K	81	139	2	0.22	2.84	4.4	2.98	2.99
	150	51	2.1	89.6	31.7	3600	4900	2314	2314K	81	139	2	0.35	1.82	2.82	1.91	4.23
75	130	25	1.5	38.8	15.7	4300	5300	1215	1215K	83	122	1.5	0.17	3.6	5.58	3.77	1.36	1.34
	130	31	1.5	44.2	17.8	4300	5300	2215	2215K	83	122	1.5	0.25	2.49	3.85	2.61	1.62	1.58
	160	37	2.1	78.9	29.9	4000	4900	1315	1315K	86	149	2	0.23	2.8	4.33	2.93	3.56	3.51
	160	55	2.1	103	36.8	3400	4600	2315	2315K	86	149	2	0.34	1.86	2.88	1.95	5.13	5.01
80	140	26	2	39.8	17	4000	4900	1216	1216K	89	131	2	0.16	3.9	6.03	4.08	1.67	1.64
	140	33	2	49	19.9	4100	5000	2216	2216K	89	131	2	0.26	2.42	3.75	2.54	2.01	1.97
	170	39	2.1	88.1	33.1	3500	4300	1316	1316K	91	159	2	0.22	2.9	4.49	3.04	4.18	4.12
	170	58	2.1	129	45.7	3100	4300	2316	2316K	91	159	2	0.34	1.87	2.9	1.96	6.1	5.96
85	150	28	2	49.2	20.8	3800	4600	1217	1217K	94	141	2	0.17	3.61	5.59	3.78	2.07	2.04
	150	36	2	58.3	23.6	3800	4600	2217	2217K	94	141	2	0.25	2.49	3.85	2.61	2.52	2.46
	180	41	3	97.3	37.8	3300	4000	1317	1317K	98	167	2.5	0.22	2.93	4.53	3.07	4.98	4.91
	180	60	3	141	51.5	3000	4100	2317	2317K	98	167	2.5	0.35	1.82	2.82	1.91	7.05	6.89
90	160	30	2	56.8	23.4	3500	4300	1218	1218K	99	151	2	0.17	3.69	5.7	3.86	2.52	2.48
	160	40	2	67.7	27.2	3500	4300	2218	2218K	99	151	2	0.26	2.39	3.71	2.51	3.4	3.33
	190	43	3	116	44.4	3100	3800	1318	1318K	103	177	2.5	0.22	2.81	4.35	2.94	5.8	5.71
	190	64	3	153	57.9	2800	3900	2318	2318K	103	177	2.5	0.34	1.84	2.85	1.93	8.44	8.25
95	170	32	2.1	57	24.3	3300	4000	1219	1219K	106	159	2	0.17	3.63	5.62	3.8	3.1	3.05
	170	43	2.1	82.7	34.3	3300	4000	2219	2219K	106	159	2	0.26	2.43	3.76	2.55	4.1	4
	200	45	3	132	50.8	2900	3600	1319	1319K	108	187	2.5	0.23	2.73	4.23	2.86	6.69	6.59
	200	67	3	166	64.8	2700	3700	2319	2319K	108	187	2.5	0.35	1.82	2.82	1.91	9.79	9.57
100	180	34	2.1	69	29.7	3100	3800	1220	1220K	111	169	2	0.17	3.62	5.6	3.79	3.7	3.64
	180	46	2.1	80.9	34	3100	3800	2220	2220K	111	169	2	0.24	2.57	3.98	2.7	4.98	4.87
	215	47	3	143	57.3	2800	3400	1320	1320K	113	202	2.5	0.24	2.66	4.11	2.78	8.3	8.19
	215	73	3	183	73.4	2400	3400	2320	2320K	113	202	2.5	0.34	1.84	2.85	1.93	12.4	12.1
105	190	36	2.1	77	34	2900	3600	1221		116	179	2	0.18	3.56	5.51	3.73	4.37
	190	50	2.1	94.9	40.1	3000	3600	2221		116	179	2	0.26	2.43	3.76	2.55	6.07
	225	49	3	149	60.2	2600	3200	1321		118	212	2.5	0.23	2.73	4.22	2.86	10
	225	77	3	187	78	2300	3200	2321		118	212	2.5	0.36	1.75	2.71	1.83	14.3
110	200	38	2.1	80.2	35.2	2800	3400	1222	1222K	121	179	2	0.17	3.64	5.63	3.81	5.15	5.07
	200	53	2.1	120	48.9	2800	3400	2222	2222K	121	179	2	0.26	2.41	3.73	2.53	7.1	6.94
	240	50	3	150	63.2	2400	3000	1322	1322K	123	227	2.5	0.22	2.82	4.37	2.96	11.8	11.7
	240	80	3	200	85.7	2200	3000	2322	2322K	123	227	2.5	0.35	1.82	2.82	1.91	17.3	16.9

Self-aligning ball bearings is of the double row type. With a spherical outer ring raceway their self-aligning capability allows them to compensate for misalignments, shaft deflections and housing deformations. It can support both the radial and axial load. As the same dimension as the aligning roller bearing, the rotate speed is quicker. The self-aligning ball bearing is mainly used in the shaft which is easy to be bended under the load effect. And Self-aligning ball bearings is also used in the parts of double housing bore which can't guarantee the same axial degree. in the meantime, the incline angle between outer ring and inner ring is within 3 Â°.

Bearing Designations		(mm) Principal Dimensions				(kN) Basic load rating		(rpm) Speed ratings		(mm) Abutment and fillet dimensions			(kg) Weight
Old spec	Designations	d	D	B	r min	(Cr ) Dynamic	(Cor) Static	Grease	Oil	Ds min	dh max	R max	(kg) Weight
1316	1316	80	170	39	2.1	67	33	3600	4300	91	159	2	4.19
1616	2316	-	170	58	2.1	97	45	3200	3800	91	159	2	5.7
1317	1317	85	180	41	3	74	37	3400	4000	98	167	2.5	4.95
1617	2317	-	180	60	3	105	51	3000	3600	98	167	2.5	6.73
1218	1218	90	160	30	2	43.8	23.4	3800	4500	99	151	2	2.44
1518	2218	-	160	40	2	54.0	28.5	3400	4300	99	151	2	3.22
1318	1318	-	190	43	3	88	45	3200	3800	103	177	2.5	5.99
1618	2318	-	190	64	3	114	57	2800	3400	103	177	2.5	8.27
1319	1319	95	200	45	3	99	51	3000	3600	108	187	2.5	6.98
1619K	-	-	200	67	3	124	63	2600	3200	108	187	2.5	9.2
1220	1220	100	180	34	2.1	52	29	3400	4000	111	169	2	3.68
1520	2220	-	180	46	2.1	73	40	3200	3800	111	169	2	4.95
1520K	-	-	180	46	2.1	73	38.5	3200	3800	111	169	2	4.61
1320	1320	-	215	47	3	108	57	2800	3400	113	202	2.5	8.64
1320K	-	-	215	47	3	110	58.1	2800	3400	113	202	2.5	8.28
1620	2320	-	215	73	3	144	77	2400	3000	113	202	2.5	12.4
1221	1221	105	190	36	2.1	56	32	3200	3800	116	179	2	4.71
1621	2321	-	225	77	3	146	79	2200	2800	118	212	2.5	14.4
1222	1222	110	200	38	2.1	66	38	3000	3600	121	189	2	5.2
1522	2222	-	200	53	2.1	94	52	2800	3400	121	189	2	7.16
1322	1322	-	240	50	3	123	71	2400	3000	123	227	2.5	11.9
162	2322	-	240	80	3	163	93	2200	2800	123	227	2.5	17.6
1001224	-	120	215	42	2.1	90	52	2000	2600	131	204	2	7.04
1224	1224	-	215	45	2.1	96	57	2000	2600	131	204	2	7.12
1324	1324	-	260	55	3	164	92	1900	2500	-	-	-	19
1001228	-	140	250	50	3	117	71	1900	2500	153	237	2	11.3
1730	-	150	235	36	3	78	52	2000	2600	163	222	2	6.25

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