There are two structures of self-aligning ball bearing - cylindrical bore and tapered bore, and the material of the cage includes steel, synthetic resin, and so on. Its feature is the outer ring raceway is the spherical shape with self-aligning, which can compensate the errors caused by the self-aligning ball bearing with different aligning and deflection, but the relative inclination of the inner and the outer ring is not more than 3 degrees. Between the inner rings of the two raceways and the outer ring taking the raceway as the spherical surface, the drum-shaped rollers are equipped in the bearing. The curvature center of the outer ring raceway is consistent with the center of the bearing, so it has the same aligning function with that of the self-aligning ball bearing. When the deflection occurs in the aligning and the outer shell, it can adjust automatically, and cannot increase the burden of the bearing. The self-aligning roller bearing will bear the radial load as well as the axial load in two directions.

軸承型號	規格（毫米）		軸承型號	規格（毫米）
1200	10*30*9		1213	65*120*23
1200K	10*30*9		1213K	65*120*23
1201	12*32*10		1214	70*125*24
1201K	12*32*10		1214K	70*125*24
1202	15*35*11		1215	75*130*25
1202K	15*35*11		1215K	75*130*25
1203	17*40*12		1216	80*140*26
1203K	17*40*12		1216K	80*140*26
1204	20*47*14		1217	85*150*18
1204K	20*47*14		1217K	85*150*18
1205	25*52*15		1218	90*160*30
1205K	25*52*15		1218K	90*160*30
1206	30*62*16		1219	95*170*32
1206K	30*62*16		1219K	95*170*32
1207	35*72*17		1220	100*180*34
1207K	35*72*17		1220K	100*180*34
1208	40*80*18		1221	105*190*36
1208K	40*80*18		1221K	105*190*36
1209	45*85*19		1222	110*200*38
1209K	45*85*19		1222K	110*200*38
1210	50*90*20		1224	120*215*40
1210K	50*90*20		1224K	120*215*40
1211	55*100*21		1228	140*250*50
1211K	55*100*21		1228K	140*250*50
1212	60*110*22		1300	10*35*11
1212K	60*110*22		1300K	10*35*11
1301	12*37*12		2201	12*32*14
1302	15*42*13		2202	15*35*14
1303	17*47*14		2202K	15*35*14
1303K	17*47*14		2203	17*40*16
1304	20*52*15		2203K	17*40*16
1304K	20*52*15		2204	20*47*18
1305	25*62*17		2204K	20*47*18
1305K	25*62*17		2205	25*52*18
1306	30*72*19		2205K	25*52*18
1306K	30*72*19		2206	30*62*20
1307	35*80*21		2206K	30*62*20
1307K	35*80*21		2207	35*72*23
1308	40*90*23		2207K	35*72*23
1308K	40*90*23		2208	40*80*23
1309	45*100*25		2208K	40*80*23
1309K	45*100*25		2209	45*85*23
1310	50*110*27		2209K	45*85*23
1310K	50*110*27		2210	50*90*23
1311	55*120*29		2210K	50*90*23
1311K	55*120*29		2211	55*100*25
1312	60*130*31		2211K	55*100*25
1312K	60*130*31		2212	60*110*28
1313	65*140*33		2212K	60*110*28
1313K	65*140*33		2213	65*120*31
1314	70*150*35		2213K	65*120*31
1314K	70*150*35		2214	70*125*31
1315	75*160*37		2214K	70*125*31
1315K	75*160*37		2215	75*130*31
1316	80*170*39		2215K	75*130*31
1316K	80*170*39		2216	80*140*33
1317	85*180*41		2216K	80*140*33
1317K	85*180*41		2217	85*150*36
1318	90*190*43		2217K	85*150*36
1318K	90*190*43		2218	90*160*40
1319	95*200*45		2218K	90*160*40
1319K	95*200*45		2219	95*170*43
1320	100*215*52		2219K	95*170*43
1320K	100*215*52		2220	100*180*46
1322	110*240*55		2220K	100*180*46
1322K	110*240*55		2222	110*200*53
1412	60*150*35		2222K	110*200*53
1412K	60*150*35		2303	17*47*19
2200	10*30*14		2303K	17*47*19
2304	20*52*21		2313	65*140*48
2304K	20*52*21		2313K	65*140*48
2305	25*62*24		2314	70*150*51
2305K	25*62*24		2314K	70*150*51
2306	30*72*27		2315	75*160*55
2306K	30*72*27		2315K	75*160*55
2307	35*80*31		2316	80*170*58
2307K	35*80*31		2316K	80*170*58
2308	40*90*33		2317	85*180*60
2308K	40*90*33		2317K	85*180*60
2309	45*100*36		2318	90*190*64
2309K	45*100*36		2318K	90*190*64
2310	50*110*40		2319	95*200*67
2310K	50*110*40		2319K	95*200*67
2311	55*120*43		2320	100*215*73
2311K	55*120*43		2320K	100*215*73
2312	60*130*46		2322	110*240*80
2312K	60*130*46		2322K	110*240*80