NSK NA69/22TT needle roller bearings
NSK NA69/22TT needle roller bearings Needs Analysis , Manufacturing 28 Outer Diameter (mm) Service . 25x28x20 Size (mm) Get 25 Bore Diameter (mm) Your Free.
| Size (mm) | 25x28x20 |
| Bore Diameter (mm) | 25 |
| Outer Diameter (mm) | 28 |
| Width (mm) | 20 |
| d | 25 mm |
| D | 28 mm |
| B | 20 mm |
| c1 min | 0,1 mm |
| c2 min | 0,2 mm |
| M | – mm |
| Weight | 0,018 Kg |
| Basic dynamic load rating (C) | 38 kN |
| c1 min. | 0.1 mm |
| c1 max. | 0.7 mm |
| c2 min. | 0.2 mm |
| c2 max. | 1 mm |
| α ±8 | 20 ° |
| Tolerance shaft | f7 |
| Tolerance housing | H7 |
| Basic dynamic load rating – radial direction C | 38 kN |
| Basic static load rating – radial direction C0 | 120 kN |
| Specific dynamic load factor K | 80 N/mm² |
| Specific static load factor K0 | 250 N/mm² |
| Factor depending on material and bearing type KM | 480 |
| Permissible sliding velocity v min. | 0 m/s |
| Permissible sliding velocity v max. | 2 m/s |
| Coefficient of friction µ min. | 0.03 |
| Coefficient of friction µ max. | 0.25 |
| Mass bushing | 0.018 kg |
Detailed Parameters
parameter：
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