NSK Maximum Type Ball Bearings contain a larger number of balls than normal deep groove ball bearings because of filling slots in the inner and outer rings. Because of their filling slots, they are not suitable for applications with high axial loads.
Technical data of NSK BL309ZZ
ID: 45 mm
OD: 100 mm
Width: 25 mm
Weight: 0.883 kg
Basic dynamic load rating: 55.5 kN
Basic static load rating: 44 kN
Limiting speed for grease lub.: 6300 rpm
Limiting speed for oil lub.: 8000 rpm
Catalogue of NSK Maximum type ball bearings
| BL 205 | BL 209 ZZ | BL 313 |
| BL 206 | BL 210 ZZ | BL 314 |
| BL 207 | BL 211 ZZ | BL 315 |
| BL 208 | BL 212 ZZ | BL 316 |
| BL 209 | BL 213 ZZ | BL 317 |
| BL 210 | BL 214 ZZ | BL 318 |
| BL 211 | BL 215 ZZ | BL 319 |
| BL 212 | BL 216 ZZ | BL 305 ZZ |
| BL 213 | BL 217 ZZ | BL 306 ZZ |
| BL 214 | BL 218 ZZ | BL 307 ZZ |
| BL 215 | BL 219 ZZ | BL 308 ZZ |
| BL 216 | BL 220 ZZ | BL 309 ZZ |
| BL 217 | BL 221 ZZ | BL 310 ZZ |
| BL 218 | BL 222 ZZ | BL 311 ZZ |
| BL 219 | BL 305 | BL 312 ZZ |
| BL 220 | BL 306 | BL 313 ZZ |
| BL 221 | BL 307 | BL 314 ZZ |
| BL 222 | BL 308 | BL 315 ZZ |
| BL 205 ZZ | BL 309 | BL 316 ZZ |
| BL 206 ZZ | BL 310 | BL 317 ZZ |
| BL 207 ZZ | BL 311 | BL 318 ZZ |
| BL 208 ZZ | BL 312 | BL 319 ZZ |
NSK BL309ZZ Maximum type ball bearings have boundary dimensions equal to NSK 6309 ZZ. When using these bearings, it is important for the filling slot in the outer ring to be outside of the loaded zone as much as possible.