KOYO NAO17X30X26 needle roller bearings
| Brand Name |
KOYO |
| Model Number |
NAO17X30X26 |
| Min.Order Quantity |
1 pcs |
| Price |
Negotiable |
Product Features
KOYO NAO17X30X26 bearing Size Chart (mm/inches) |
|---|
| d | 10 mm |
| D | 22 mm |
| B | 6 mm |
| d1 | 14 mm |
| d2 | 13.26 mm |
| D1 | 17.92 mm |
| K | 0.5 mm |
| C1 | 3.65 mm |
| r1,2 min. | 0.3 mm |
| r3,4 min. | 0.15 mm |
| a | 7.2 mm |
| da min. | 12 mm |
| db min. | 12 mm |
| Da max. | 20 mm |
| Db max. | 21.2 mm |
| ra max. | 0.3 mm |
| rb max. | 0.15 mm |
| dn | 14.8 mm |
| Basic dynamic load rating C | 1.95 kN |
| Basic static load rating C0 | 0.78 kN |
| Fatigue load limit Pu | 0.032 kN |
| Attainable speed for grease lubrication | 93000 r/min |
| Attainable speed for oil-air lubrication | 140000 r/min |
| Ball diameter Dw | 3.175 mm |
| Number of balls z | 11 |
| Reference grease quantity Gref | 0.1 cm³ |
| Preload class A GA | 17 N |
| Static axial stiffness, preload class A | 25 N/µm |
| Preload class B GB | 50 N |
| Static axial stiffness, preload class B | 37 N/µm |
| Preload class C GC | 100 N |
| Static axial stiffness, preload class C | 48 N/µm |
| Calculation factor f | 1.03 |
| Calculation factor f1 | 0.99 |
| Calculation factor f2A | 1 |
| Calculation factor f2B | 1.04 |
| Calculation factor f2C | 1.07 |
| Calculation factor fHC | 1 |
| Calculation factor e | 0.68 |
| Calculation factor (single, tandem) Y2 | 0.87 |
| Calculation factor (single, tandem) Y0 | 0.38 |
| Calculation factor (single, tandem) X2 | 0.41 |
| Calculation factor (back-to-back, face-to-face) Y1 | 0.92 |
| Calculation factor (back-to-back, face-to-face) Y2 | 1.41 |
| Calculation factor (back-to-back, face-to-face) Y0 | 0.76 |
| Calculation factor (back-to-back, face-to-face) X2 | 0.67 |
| Mass bearing | 0.009 kg |