KOYO KGA055 angular contact ball bearings
KOYO KGA055 angular contact ball bearings 55x30x13 Size (mm) Product Brochures , 55 Bore Diameter (mm) Manufacturing Service . Get Your Free.
| Size (mm) | 55x30x13 |
| Bore Diameter (mm) | 55 |
| Outer Diameter (mm) | 30 |
| Width (mm) | 13 |
| d | 30 mm |
| D | 55 mm |
| B | 13 mm |
| d1 | 38.2 mm |
| d2 | 36.4 mm |
| D2 | 48.1 mm |
| r1,2 – min. | 1 mm |
| r3,4 – min. | 0.6 mm |
| a | 13.3 mm |
| da – min. | 34.6 mm |
| da – max. | 37.8 mm |
| db – min. | 34.6 mm |
| db – max. | 36 mm |
| Da – max. | 50.4 mm |
| Db – max. | 50.8 mm |
| ra – max. | 1 mm |
| rb – max. | 0.6 mm |
| Basic dynamic load rating – C | 9.2 kN |
| Basic static load rating – C0 | 5.2 kN |
| Fatigue load limit – Pu | 0.22 kN |
| Limiting speed for grease lubrication | 41000 r/min |
| Ball – Dw | 6.35 mm |
| Ball – z | 17 |
| Calculation factor – e | 0.57 |
| Calculation factor – Y2 | 1.63 |
| Calculation factor – Y0 | 0.84 |
| Calculation factor – X2 | 0.7 |
| Calculation factor – Y1 | 1.09 |
| r1,2 min. | 1 mm |
| r3,4 min. | 0.6 mm |
| da min. | 34.6 mm |
| da max. | 37.8 mm |
| db min. | 34.6 mm |
| db max. | 36 mm |
| Da max. | 50.4 mm |
| Db max. | 50.8 mm |
| ra max. | 1 mm |
| rb max. | 0.6 mm |
| Basic dynamic load rating C | 9.23 kN |
| Basic static load rating C0 | 5.2 kN |
| Fatigue load limit Pu | 0.22 kN |
| Attainable speed for grease lubrication | 41000 r/min |
| Ball diameter Dw | 6.35 mm |
| Number of balls z | 17 |
| Calculation factor e | 0.57 |
| Calculation factor (single, tandem) Y2 | 1 |
| Calculation factor (single, tandem) Y0 | 0.42 |
| Calculation factor (single, tandem) X2 | 0.43 |
| Calculation factor (back-to-back, face-to-face) Y1 | 1.09 |
| Calculation factor (back-to-back, face-to-face) Y2 | 1.63 |
| Calculation factor (back-to-back, face-to-face) Y0 | 0.84 |
| Calculation factor (back-to-back, face-to-face) X2 | 0.7 |
| Mass bearing | 0.11 kg |
Detailed Parameters
parameter：
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