Komatsu 20U-60-12100 Hydraulic Final Drive Motor
| Brand Name |
Komatsu |
| Model Number |
20U-60-12100 |
| Min.Order Quantity |
1 pcs |
| Price |
Negotiable |
Product Features
Komatsu 20U-60-12100 bearing Size Chart (mm/inches) |
|---|
| Bearing number | 7022 CE/HCP4AL |
| Size (mm) | 170x110x28 |
| Bore Diameter (mm) | 170 |
| Outer Diameter (mm) | 110 |
| Width (mm) | 28 |
| d | 110 mm |
| D | 170 mm |
| B | 28 mm |
| d1 | 132.38 mm |
| d2 | 129.2 mm |
| D1 | 147.61 mm |
| b | 2.6 mm |
| C1 | 15.1 mm |
| C2 | 5.4 mm |
| C3 | 5.4 mm |
| r1,2 - min. | 2 mm |
| r3,4 - min. | 1 mm |
| a | 32.9 mm |
| da - min. | 118.8 mm |
| db - min. | 118.8 mm |
| Da - max. | 161.2 mm |
| Db - max. | 164.4 mm |
| ra - max. | 2 mm |
| rb - max. | 1 mm |
| dn | 135.4 mm |
| Basic dynamic load rating - C | 47.5 kN |
| Basic static load rating - C0 | 45 kN |
| Fatigue load limit - Pu | 1.6 kN |
| Limiting speed for grease lubrication | 12700 r/min |
| Limiting speed for oil lubrication | 20000 mm/min |
| Ball - Dw | 12.7 mm |
| Ball - z | 30 |
| Gref | 23 cm3 |
| Calculation factor - f0 | 9.6 |
| Preload class A - GA | 250 N |
| Preload class B - GB | 760 N |
| Preload class C - GC | 1520 N |
| Calculation factor - f | 1.1 |
| Calculation factor - f | 1 |
| Calculation factor - f2A | 1 |
| Calculation factor - f2B | 1.03 |
| Calculation factor - f2C | 1.05 |
| Calculation factor - fHC | 1.01 |
| Preload class A | 104 N/micron |
| Preload class B | 165 N/micron |
| Preload class C | 226 N/micron |
| d1 | 132.38 mm |
| d2 | 129.2 mm |
| D1 | 147.61 mm |
| C1 | 15.1 mm |
| C2 | 5.4 mm |
| C3 | 5.4 mm |
| r1,2 min. | 2 mm |
| r3,4 min. | 1 mm |
| da min. | 118.8 mm |
| db min. | 118.8 mm |
| Da max. | 161.2 mm |
| Db max. | 164.4 mm |
| ra max. | 2 mm |
| rb max. | 1 mm |
| dn | 135.4 mm |
| Basic dynamic load rating C | 47.5 kN |
| Basic static load rating C0 | 45 kN |
| Fatigue load limit Pu | 1.6 kN |
| Attainable speed for grease lubrication | 12700 r/min |
| Attainable speed for oil-air lubrication | 20000 r/min |
| Ball diameter Dw | 12.7 mm |
| Number of balls z | 30 |
| Reference grease quantity Gref | 23 cm³ |
| Preload class A GA | 250 N |
| Static axial stiffness, preload class A | 104 N/µm |
| Preload class B GB | 760 N |
| Static axial stiffness, preload class B | 165 N/µm |
| Preload class C GC | 1520 N |
| Static axial stiffness, preload class C | 226 N/µm |
| Calculation factor f | 1.1 |
| Calculation factor f1 | 1 |
| Calculation factor f2A | 1 |
| Calculation factor f2B | 1.03 |
| Calculation factor f2C | 1.05 |
| Calculation factor fHC | 1.01 |
| Calculation factor f0 | 9.6 |
| Mass bearing | 1.93 kg |