Parts Number
Inquiry
Product Information
Designations
NNU4964K
Boundary Dimensions
| d | 320 | mm | Bore diameter |
| D | 440 | mm | Outside diameter |
| B | 118 | mm | Width |
| FW | 356 | mm | Raceway diameter of inner ring |
| r (min.) | 3 | mm | Chamfer dimension |
Basic Load Ratings
| Cr | 1560000 | N | Basic dynamic load rating |
| C0r | 3050000 | N | Basic static load rating |
Speeds
| Grease | 1100 | min-1 | Grease lubrication |
| Oil (Oil-bath) | 1400 | min-1 | Oil-bath lubrication |
Abutment and Fillet Dimensions
| da (min.) | 333 | mm | Diameter of shaft abutment |
| da (max.) | 355 | mm | Diameter of shaft abutment |
| dc (min.) | 363 | mm | Diameter of shaft abutment |
| d1a (min.) | 338 | mm | Diameter of spacer sleeve abutment |
| Da (max.) | 427 | mm | Diameter of housing abutment |
| ra (max.) | 2.5 | mm | Radius of shaft or housing fillet |
Mass
| (approx.) | 54.9 | kg |


