KOYO KDX140 angular contact ball bearings
YOU’LL FIND AN EXTENSIVE 25 Outer Diameter (mm) SELECTION 42x25x9 Size (mm) OF KOYO KDX140 angular contact ball bearings FOR SALE.
| Size (mm) | 42x25x9 |
| Bore Diameter (mm) | 42 |
| Outer Diameter (mm) | 25 |
| Width (mm) | 9 |
| d | 25 mm |
| D | 42 mm |
| B | 9 mm |
| d1 | 30.7 mm |
| d2 | 29.4 mm |
| D1 | 36.39 mm |
| K | 0.5 mm |
| C1 | 5.45 mm |
| r1,2 – min. | 0.3 mm |
| r3,4 – min. | 0.15 mm |
| a | 9.2 mm |
| da – min. | 27 mm |
| db – min. | 27 mm |
| Da – max. | 40 mm |
| Db – max. | 41.2 mm |
| ra – max. | 0.3 mm |
| rb – max. | 0.15 mm |
| dn | 31.8 mm |
| Basic dynamic load rating – C | 5.3 kN |
| Basic static load rating – C0 | 2.8 kN |
| Fatigue load limit – Pu | 0.12 kN |
| Limiting speed for grease lubrication | 49000 r/min |
| Limiting speed for oil lubrication | 75000 mm/min |
| Ball – Dw | 4.762 mm |
| Ball – z | 16 |
| Gref | 0.6 cm3 |
| Calculation factor – f0 | 8.1 |
| Preload class A – GA | 28 N |
| Preload class B – GB | 85 N |
| Preload class C – GC | 170 N |
| Calculation factor – f | 1 |
| Calculation factor – f2A | 1 |
| Calculation factor – f2B | 1.04 |
| Calculation factor – f2C | 1.08 |
| Calculation factor – fHC | 1 |
| Preload class A | 20 N/micron |
| Preload class B | 32 N/micron |
| Preload class C | 44 N/micron |
| r1,2 min. | 0.3 mm |
| r3,4 min. | 0.15 mm |
| da min. | 27 mm |
| db min. | 27 mm |
| Da max. | 40 mm |
| Db max. | 41.2 mm |
| ra max. | 0.3 mm |
| rb max. | 0.15 mm |
| Basic dynamic load rating C | 5.27 kN |
| Basic static load rating C0 | 2.85 kN |
| Fatigue load limit Pu | 0.12 kN |
| Attainable speed for grease lubrication | 49000 r/min |
| Attainable speed for oil-air lubrication | 75000 r/min |
| Ball diameter Dw | 4.762 mm |
| Number of balls z | 16 |
| Reference grease quantity Gref | 0.6 cm³ |
| Preload class A GA | 28 N |
| Static axial stiffness, preload class A | 20 N/µm |
| Preload class B GB | 85 N |
| Static axial stiffness, preload class B | 32 N/µm |
| Preload class C GC | 170 N |
| Static axial stiffness, preload class C | 44 N/µm |
| Calculation factor f | 1.06 |
| Calculation factor f1 | 1 |
| Calculation factor f2A | 1 |
| Calculation factor f2B | 1.04 |
| Calculation factor f2C | 1.08 |
| Calculation factor fHC | 1 |
| Calculation factor f0 | 8.1 |
| Mass bearing | 0.04 kg |
Detailed Parameters
parameter：
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