NMB RF-1980 deep groove ball bearings
Various types 254 Outer Diameter (mm) and sizes to accommodate 139.7x254x66.675 Size (mm) your NMB RF-1980 deep groove ball bearings requirements.
| Size (mm) | 139.7x254x66.675 |
| Bore Diameter (mm) | 139,7 |
| Outer Diameter (mm) | 254 |
| Width (mm) | 66,675 |
| d | 139,7 mm |
| D | 254 mm |
| T | 66,675 mm |
| B | 66,675 mm |
| C | 47,625 mm |
| R | 7,1 mm |
| r | 3,3 mm |
| a – | 12,2 mm |
| Da | 238 mm |
| db | 170 mm |
| da | 156 mm |
| Db | 227 mm |
| Aa | 9,7 mm |
| Ab | 3,5 mm |
| Weight | 14 Kg |
| Basic static load rating (C0) | 1030 kN |
| Factor (G1) | 555,5 |
| Factor (G2) | 73,5 |
| Factor (Cg) | 0,0427 |
| Factor (K) | 1,43 |
| Basic dynamic load rating (C90) | 158 |
| Basic dynamic load rating (Ca90) | 110 |
| Basic dynamic load rating (C1) | 611 kN |
| Calculation factor (e) | 0,41 |
Detailed Parameters
parameter：
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