Timken 320RU30 cylindrical roller bearings
Browse Timken 320RU30 cylindrical roller bearings Categories in the 20x9x6 Size (mm) Manufacturers Online 9 Outer Diameter (mm) Free. 20 Bore Diameter (mm) including .
| Size (mm) | 20x9x6 |
| Bore Diameter (mm) | 20 |
| Outer Diameter (mm) | 9 |
| Width (mm) | 6 |
| d | 9 mm |
| D | 20 mm |
| B | 6 mm |
| d1 | 12.5 mm |
| d2 | 11.76 mm |
| D1 | 16.52 mm |
| K | 0.5 mm |
| C1 | 3.65 mm |
| r1,2 – min. | 0.3 mm |
| r3,4 – min. | 0.15 mm |
| a | 5.2 mm |
| da – min. | 11 mm |
| db – min. | 11 mm |
| Da – max. | 18 mm |
| Db – max. | 19.2 mm |
| ra – max. | 0.3 mm |
| rb – max. | 0.15 mm |
| dn | 13.3 mm |
| Basic dynamic load rating – C | 2 kN |
| Basic static load rating – C0 | 0.8 kN |
| Fatigue load limit – Pu | 0.034 kN |
| Limiting speed for grease lubrication | 109000 r/min |
| Limiting speed for oil lubrication | 165000 mm/min |
| Ball – Dw | 3.175 mm |
| Ball – z | 11 |
| Gref | 0.09 cm3 |
| Calculation factor – f0 | 7.4 |
| Preload class A – GA | 11 N |
| Preload class B – GB | 32 N |
| Preload class C – GC | 64 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 | 10 N/micron |
| Preload class B | 16 N/micron |
| Preload class C | 21 N/micron |
| r1,2 min. | 0.3 mm |
| r3,4 min. | 0.15 mm |
| da min. | 11 mm |
| db min. | 11 mm |
| Da max. | 18 mm |
| Db max. | 19.2 mm |
| ra max. | 0.3 mm |
| rb max. | 0.15 mm |
| Basic dynamic load rating C | 2.03 kN |
| Basic static load rating C0 | 0.8 kN |
| Fatigue load limit Pu | 0.034 kN |
| Attainable speed for grease lubrication | 109000 r/min |
| Attainable speed for oil-air lubrication | 165000 r/min |
| Ball diameter Dw | 3.175 mm |
| Number of balls z | 11 |
| Reference grease quantity Gref | 0.09 cm³ |
| Preload class A GA | 11 N |
| Static axial stiffness, preload class A | 10 N/µm |
| Preload class B GB | 32 N |
| Static axial stiffness, preload class B | 16 N/µm |
| Preload class C GC | 64 N |
| Static axial stiffness, preload class C | 21 N/µm |
| Calculation factor f | 1.03 |
| 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 | 7.4 |
| Mass bearing | 0.008 kg |
Detailed Parameters
parameter：
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