NSK self-aligning ball bearings include 1200 series, 1300 series, 2200 series and 2300 series. The inner rings are available with cylindrical bore and tapered bore two types. The suffix K is designed with the conical degree 1:12. For seal self-aligning ball bearings, these are with the suffix 2RS, both sides have a rubber shield.
The NSK bearing catalogue 2311:
|
Brand |
NSK |
|
Type
|
Self-aligning ball bearings
|
|
Part NO.
|
Old 2311, New 2311
|
|
Diameter
|
Inner ring 55mm, Outer ring 120mm, depth 43mm
|
|
Reference speed - Limited speed
|
7500 - 11000 r/min
|
|
Dynamic load - Static load
|
76100N - 24000N
|
|
Reference NO.
|
1611
|
NSK self-aligning ball bearing stock list,
|
1200
|
1300
|
2200
|
2300
|
|
1201
|
1301
|
2201
|
2301
|
|
1202
|
1302
|
2202
|
2302
|
|
1203
|
1303
|
2203
|
2303
|
|
1204
|
1304
|
2204
|
2304
|
|
1205
|
1305
|
2205
|
2305
|
|
1206
|
1306
|
2206
|
2306
|
|
1207
|
1307
|
2207
|
2307
|
|
1208
|
1308
|
2208
|
2308
|
|
1209
|
1309
|
2209
|
2309
|
|
1210
|
1310
|
2210
|
2310
|
|
1211
|
1311
|
2211
|
2311
|
|
1212
|
1313
|
2222
|
2323
|
|
1213
|
1313
|
2213
|
2313
|
|
1214
|
1314
|
2214
|
2314
|
|
1215
|
1315
|
2215
|
2315
|
|
1216
|
1316
|
2216
|
2316
|
|
1217
|
1317
|
2217
|
2317
|
|
1218
|
1318
|
2218
|
2318
|
|
1219
|
1319
|
2219
|
2319
|
|
1220
|
1320
|
2220
|
2320
|
|
1221
|
1321
|
2221
|
2321
|
|
1222
|
1322
|
2222
|
2322
|
|
1224
|
1324
|
2224
|
2324
|
|
1226
|
1326
|
2226
|
2326
|
|
1228
|
1328
|
2228
|
2328
|
|
1230
|
1330
|
2230
|
2330
|
|
|
|
|
|
|
1200-DDU
|
1300-DDU
|
2200-DDU
|
2300-DDU
|
|
1201-DDU
|
1301-DDU
|
2201-DDU
|
2301-DDU
|
|
1202-DDU
|
1302-DDU
|
2202-DDU
|
2302-DDU
|
|
1203-DDU
|
1303-DDU
|
2203-DDU
|
2303-DDU
|
|
1204-DDU
|
1304-DDU
|
2204-DDU
|
2304-DDU
|
|
1205-DDU
|
1305-DDU
|
2205-DDU
|
2305-DDU
|
|
1206-DDU
|
1306-DDU
|
2206-DDU
|
2306-DDU
|
|
1207-DDU
|
1307-DDU
|
2207-DDU
|
2307-DDU
|
|
1208-DDU
|
1308-DDU
|
2208-DDU
|
2308-DDU
|
|
1209-DDU
|
1309-DDU
|
2209-DDU
|
2309-DDU
|
|
1210-DDU
|
1310-DDU
|
2210-DDU
|
2310-DDU
|
|
1211-DDU
|
1311-DDU
|
2211-DDU
|
2311-DDU
|
NSK self-aligning ball bearings are mainly used in electromechanical devices, plastic machinery, office instrument, textile instruments etc. As leading distributor of Japan NSK bearings, with our rich experiences in dealing with ball bearings, whenever you require NSK ball bearing or roller bearings, don't forget to contact us for best service.