Komatsu NET 20Y-54-74910 NET
| Min.Order Quantity |
1 pcs |
| Price |
Negotiable |
Product Features
Komatsu NET 20Y-54-74910 NET Size Chart (mm/inches) |
|---|
| Bearing number | 7024 CD/P4AL |
| Size (mm) | 180x120x28 |
| Bore Diameter (mm) | 180 |
| Outer Diameter (mm) | 120 |
| Width (mm) | 28 |
| d | 120 mm |
| D | 180 mm |
| B | 28 mm |
| d1 | 138.5 mm |
| d2 | 138.5 mm |
| D1 | 161.5 mm |
| b | 2.8 mm |
| C1 | 15 mm |
| C2 | 6.2 mm |
| C3 | 5.4 mm |
| r1,2 - min. | 2 mm |
| r3,4 - min. | 1 mm |
| a | 34.2 mm |
| da - min. | 129 mm |
| db - min. | 129 mm |
| Da - max. | 171 mm |
| Db - max. | 175 mm |
| ra - max. | 2 mm |
| rb - max. | 1 mm |
| dn | 142.6 mm |
| Basic dynamic load rating - C | 114 kN |
| Basic static load rating - C0 | 122 kN |
| Fatigue load limit - Pu | 4.2 kN |
| Limiting speed for grease lubrication | 7000 r/min |
| Limiting speed for oil lubrication | 11000 mm/min |
| Ball - Dw | 19.05 mm |
| Ball - z | 22 |
| Gref | 27 cm3 |
| Calculation factor - f0 | 15.7 |
| Preload class A - GA | 430 N |
| Preload class B - GB | 860 N |
| Preload class C - GC | 1720 N |
| Preload class D - GD | 3440 N |
| Calculation factor - f | 1.17 |
| Calculation factor - f | 1 |
| Calculation factor - f2A | 1 |
| Calculation factor - f2B | 1.02 |
| Calculation factor - f2C | 1.05 |
| Calculation factor - f2D | 1.09 |
| Calculation factor - fHC | 1 |
| Preload class A | 131 N/micron |
| Preload class B | 179 N/micron |
| Preload class C | 251 N/micron |
| Preload class D | 364 N/micron |
| d1 | 138.5 mm |
| d2 | 138.5 mm |
| D1 | 161.5 mm |
| C1 | 15 mm |
| C2 | 6.2 mm |
| C3 | 5.4 mm |
| r1,2 min. | 2 mm |
| r3,4 min. | 1 mm |
| da min. | 129 mm |
| db min. | 129 mm |
| Da max. | 171 mm |
| Db max. | 175 mm |
| ra max. | 2 mm |
| rb max. | 1 mm |
| dn | 142.6 mm |
| Basic dynamic load rating C | 114 kN |
| Basic static load rating C0 | 122 kN |
| Fatigue load limit Pu | 4.25 kN |
| Attainable speed for grease lubrication | 7000 r/min |
| Attainable speed for oil-air lubrication | 11000 r/min |
| Ball diameter Dw | 19.05 mm |
| Number of balls z | 22 |
| Reference grease quantity Gref | 27 cm³ |
| Preload class A GA | 430 N |
| Static axial stiffness, preload class A | 131 N/µm |
| Preload class B GB | 860 N |
| Static axial stiffness, preload class B | 179 N/µm |
| Preload class C GC | 1720 N |
| Static axial stiffness, preload class C | 251 N/µm |
| Preload class D GD | 3440 N |
| Static axial stiffness, preload class D | 364 N/µm |
| Calculation factor f | 1.17 |
| 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 |
| Calculation factor f0 | 15.7 |
| Mass bearing | 2.13 kg |