FYH UCHA209 bearing units
QuestionFYH UCHA209 bearing units ? Find what you need faster by entering 52x40x7 Size (mm) your information .
| Size (mm) | 52x40x7 |
| Bore Diameter (mm) | 52 |
| Outer Diameter (mm) | 40 |
| Width (mm) | 7 |
| d | 40 mm |
| D | 52 mm |
| B | 7 mm |
| d1 | 44.1 mm |
| d2 | 44.1 mm |
| D1 | 48.1 mm |
| r1,2 – min. | 0.3 mm |
| r3,4 – min. | 0.15 mm |
| a | 9.7 mm |
| da – min. | 42 mm |
| db – min. | 42 mm |
| Da – max. | 50 mm |
| Db – max. | 51.2 mm |
| ra – max. | 0.3 mm |
| rb – max. | 0.15 mm |
| dn | 44.5 mm |
| Basic dynamic load rating – C | 4.9 kN |
| Basic static load rating – C0 | 4.9 kN |
| Fatigue load limit – Pu | 0.208 kN |
| Limiting speed for grease lubrication | 30000 r/min |
| Limiting speed for oil lubrication | 45000 mm/min |
| Ball – Dw | 3.175 mm |
| Ball – z | 29 |
| Gref | 0.31 cm3 |
| Calculation factor – f0 | 17.2 |
| Preload class A – GA | 26 N |
| Preload class B – GB | 78 N |
| Preload class C – GC | 155 N |
| Calculation factor – f | 1 |
| Calculation factor – f2A | 1 |
| Calculation factor – f2B | 1.1 |
| Calculation factor – f2C | 1.18 |
| Calculation factor – fHC | 1.02 |
| Preload class A | 40 N/micron |
| Preload class B | 68 N/micron |
| Preload class C | 100 N/micron |
| r1,2 min. | 0.3 mm |
| r3,4 min. | 0.15 mm |
| da min. | 42 mm |
| db min. | 42 mm |
| Da max. | 50 mm |
| Db max. | 51.2 mm |
| ra max. | 0.3 mm |
| rb max. | 0.15 mm |
| Basic dynamic load rating C | 4.88 kN |
| Basic static load rating C0 | 4.9 kN |
| Fatigue load limit Pu | 0.208 kN |
| Attainable speed for grease lubrication | 30000 r/min |
| Attainable speed for oil-air lubrication | 45000 r/min |
| Ball diameter Dw | 3.175 mm |
| Number of balls z | 29 |
| Reference grease quantity Gref | 0.31 cm³ |
| Preload class A GA | 26 N |
| Static axial stiffness, preload class A | 40 N/µm |
| Preload class B GB | 78 N |
| Static axial stiffness, preload class B | 68 N/µm |
| Preload class C GC | 155 N |
| Static axial stiffness, preload class C | 100 N/µm |
| Calculation factor f | 1.23 |
| Calculation factor f1 | 1 |
| Calculation factor f2A | 1 |
| Calculation factor f2B | 1.1 |
| Calculation factor f2C | 1.18 |
| Calculation factor fHC | 1.02 |
| Calculation factor f0 | 17.2 |
| Mass bearing | 0.029 kg |
Detailed Parameters
parameter：
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