KOMATSU 6215-81-1420 bracket
| Min.Order Quantity |
1 pcs |
| Price |
Negotiable |
Product Features
KOMATSU 6215-81-1420 bracket Size Chart (mm/inches) |
|---|
| Bearing number | 71956 ACD/P4A |
| Size (mm) | 280x380x46 |
| Bore Diameter (mm) | 280 |
| Outer Diameter (mm) | 380 |
| Width (mm) | 46 |
| d | 280 mm |
| D | 380 mm |
| B | 46 mm |
| C | 46 mm |
| d1 | 311,8 mm |
| d2 | 311,8 mm |
| r1 min. | 2,1 mm |
| r2 min. | 2,1 mm |
| r3 min. | 1,1 mm |
| r4 min. | 1,1 mm |
| D1 | 348,2 mm |
| D2 | – mm |
| da min. | 291 mm |
| Da max. | 369 mm |
| db min | 291 mm |
| ra max. | 2 mm |
| rb max. | 1 mm |
| dh | 319,7 mm |
| Db max | 374 mm |
| Weight | 13 Kg |
| Basic dynamic load rating (C) | 276 kN |
| Basic static load rating (C0) | 430 kN |
| (Grease) Lubrication Speed | 2 600 r/min |
| (Oil) Lubrication Speed | 4 000 r/min |
| Fatigue load limit (Pu) | 10 |
| d1 | 311.8 mm |
| d2 | 311.8 mm |
| D1 | 348.2 mm |
| r1,2 min. | 2.1 mm |
| r3,4 min. | 1.1 mm |
| a | 100.2 mm |
| da min. | 291 mm |
| db min. | 291 mm |
| Da max. | 369 mm |
| Db max. | 374 mm |
| ra max. | 2 mm |
| rb max. | 1 mm |
| dn | 319.7 mm |
| Basic dynamic load rating C | 276 kN |
| Basic static load rating C0 | 430 kN |
| Fatigue load limit Pu | 10 kN |
| Attainable speed for grease lubrication | 2600 r/min |
| Attainable speed for oil-air lubrication | 4000 r/min |
| Ball diameter Dw | 30.162 mm |
| Number of balls z | 31 |
| Reference grease quantity Gref | 159 cm³ |
| Preload class A GA | 1700 N |
| Static axial stiffness, preload class A | 659 N/µm |
| Preload class B GB | 3400 N |
| Static axial stiffness, preload class B | 867 N/µm |
| Preload class C GC | 6800 N |
| Static axial stiffness, preload class C | 1154 N/µm |
| Preload class D GD | 13600 N |
| Static axial stiffness, preload class D | 1572 N/µm |
| Calculation factor f | 1.27 |
| Calculation factor f1 | 0.98 |
| Calculation factor f2A | 1 |
| Calculation factor f2B | 1.04 |
| Calculation factor f2C | 1.08 |
| Calculation factor f2D | 1.14 |
| Calculation factor fHC | 1 |
| Calculation factor e | 0.68 |
| Calculation factor (single, tandem) Y2 | 0.87 |
| Calculation factor (single, tandem) Y0 | 0.38 |
| Calculation factor (single, tandem) X2 | 0.41 |
| Calculation factor (back-to-back, face-to-face) Y1 | 0.92 |
| Calculation factor (back-to-back, face-to-face) Y2 | 1.41 |
| Calculation factor (back-to-back, face-to-face) Y0 | 0.76 |
| Calculation factor (back-to-back, face-to-face) X2 | 0.67 |
| Mass bearing | 12.9 kg |