komatsu 20Y-977-K240 Filter assembly
| Min.Order Quantity |
1 pcs |
| Price |
Negotiable |
Product Features
komatsu 20Y-977-K240 Filter assembly Size Chart (mm/inches) |
|---|
| Bearing number | 7038 CD/HCP4A |
| Size (mm) | 190x290x46 |
| Bore Diameter (mm) | 190 |
| Outer Diameter (mm) | 290 |
| Width (mm) | 46 |
| d | 190 mm |
| D | 290 mm |
| B | 46 mm |
| C | 46 mm |
| d1 | 221,8 mm |
| d2 | 221,8 mm |
| r1 min. | 2,1 mm |
| r2 min. | 2,1 mm |
| r3 min. | 1,1 mm |
| r4 min. | 1,1 mm |
| D1 | 258,2 mm |
| D2 | – mm |
| da min. | 201 mm |
| Da max. | 279 mm |
| db min | 201 mm |
| ra max. | 2 mm |
| rb max. | 1 mm |
| dh | 229,7 mm |
| Db max | 284 mm |
| Weight | 8,05 Kg |
| Basic dynamic load rating (C) | 247 kN |
| Basic static load rating (C0) | 305 kN |
| (Grease) Lubrication Speed | 5 600 r/min |
| (Oil) Lubrication Speed | 9 000 r/min |
| Fatigue load limit (Pu) | 8,3 |
| d1 | 221.8 mm |
| d2 | 221.8 mm |
| D1 | 258.2 mm |
| r1,2 min. | 2.1 mm |
| r3,4 min. | 1.1 mm |
| a | 55.3 mm |
| da min. | 201 mm |
| db min. | 201 mm |
| Da max. | 279 mm |
| Db max. | 284 mm |
| ra max. | 2 mm |
| rb max. | 1 mm |
| dn | 229.7 mm |
| Basic dynamic load rating C | 247 kN |
| Basic static load rating C0 | 305 kN |
| Fatigue load limit Pu | 8.3 kN |
| Attainable speed for grease lubrication | 5600 r/min |
| Attainable speed for oil-air lubrication | 9000 r/min |
| Ball diameter Dw | 30.162 mm |
| Number of balls z | 22 |
| Reference grease quantity Gref | 114 cm³ |
| Preload class A GA | 950 N |
| Static axial stiffness, preload class A | 218 N/µm |
| Preload class B GB | 1900 N |
| Static axial stiffness, preload class B | 295 N/µm |
| Preload class C GC | 3800 N |
| Static axial stiffness, preload class C | 411 N/µm |
| Preload class D GD | 7600 N |
| Static axial stiffness, preload class D | 591 N/µm |
| Calculation factor f | 1.14 |
| Calculation factor f1 | 1 |
| Calculation factor f2A | 1 |
| Calculation factor f2B | 1.02 |
| Calculation factor f2C | 1.05 |
| Calculation factor f2D | 1.09 |
| Calculation factor fHC | 1.02 |
| Calculation factor f0 | 15.9 |
| Mass bearing | 8.03 kg |