AST 5216-2RS angular contact ball bearings
AST 5216-2RS angular contact ball bearings Product 28x12x8 Size (mm) Brochures , 12 Outer Diameter (mm) Manufacturing Service . Get Your Free.
| Size (mm) | 28x12x8 |
| Bore Diameter (mm) | 28 |
| Outer Diameter (mm) | 12 |
| Width (mm) | 8 |
| d | 12 mm |
| D | 28 mm |
| B | 8 mm |
| d1 | 17.5 mm |
| d2 | 16.5 mm |
| D1 | 22.45 mm |
| r1,2 – min. | 0.3 mm |
| r3,4 – min. | 0.15 mm |
| a | 6.7 mm |
| da – min. | 14 mm |
| db – min. | 14 mm |
| Da – max. | 26 mm |
| Db – max. | 26.6 mm |
| ra – max. | 0.3 mm |
| rb – max. | 0.15 mm |
| dn | 18.5 mm |
| Basic dynamic load rating – C | 3.2 kN |
| Basic static load rating – C0 | 1.3 kN |
| Fatigue load limit – Pu | 0.057 kN |
| Limiting speed for grease lubrication | 80000 r/min |
| Limiting speed for oil lubrication | 127000 mm/min |
| Ball – Dw | 3.969 mm |
| Ball – z | 12 |
| Gref | 0.31 cm3 |
| Calculation factor – f0 | 7.3 |
| Preload class A – GA | 17 N |
| Preload class B – GB | 53 N |
| Preload class C – GC | 110 N |
| Calculation factor – f | 1 |
| Calculation factor – f2A | 1 |
| Calculation factor – f2B | 1.03 |
| Calculation factor – f2C | 1.05 |
| Calculation factor – fHC | 1 |
| Preload class A | 13 N/micron |
| Preload class B | 21 N/micron |
| Preload class C | 30 N/micron |
| r1,2 min. | 0.3 mm |
| r3,4 min. | 0.15 mm |
| da min. | 14 mm |
| db min. | 14 mm |
| Da max. | 26 mm |
| Db max. | 26.6 mm |
| ra max. | 0.3 mm |
| rb max. | 0.15 mm |
| Basic dynamic load rating C | 3.19 kN |
| Basic static load rating C0 | 1.34 kN |
| Fatigue load limit Pu | 0.057 kN |
| Attainable speed for grease lubrication | 80000 r/min |
| Attainable speed for oil-air lubrication | 127000 r/min |
| Ball diameter Dw | 3.969 mm |
| Number of balls z | 12 |
| Reference grease quantity Gref | 0.31 cm³ |
| Preload class A GA | 17 N |
| Static axial stiffness, preload class A | 13 N/µm |
| Preload class B GB | 53 N |
| Static axial stiffness, preload class B | 21 N/µm |
| Preload class C GC | 110 N |
| Static axial stiffness, preload class C | 30 N/µm |
| Calculation factor f | 1.02 |
| Calculation factor f1 | 1 |
| Calculation factor f2A | 1 |
| Calculation factor f2B | 1.03 |
| Calculation factor f2C | 1.05 |
| Calculation factor fHC | 1 |
| Calculation factor f0 | 7.3 |
| Mass bearing | 0.021 kg |
Detailed Parameters
parameter：
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