Komatsu CHAIN ASS'Y 37C-7CZ-3470KF CHAIN ASS'Y
| Min.Order Quantity |
1 pcs |
| Price |
Negotiable |
Product Features
Komatsu CHAIN ASS'Y 37C-7CZ-3470KF CHAIN ASS'Y Size Chart (mm/inches) |
|---|
| Bearing number | 7004 CD/HCP4AH |
| Size (mm) | 42x20x12 |
| Bore Diameter (mm) | 42 |
| Outer Diameter (mm) | 20 |
| Width (mm) | 12 |
| d | 20 mm |
| D | 42 mm |
| B | 12 mm |
| d1 | 27.1 mm |
| d2 | 27.1 mm |
| D1 | 34.8 mm |
| K | 0.5 mm |
| C1 | 7.15 mm |
| r1,2 - min. | 0.6 mm |
| r3,4 - min. | 0.3 mm |
| a | 10.2 mm |
| da - min. | 23.2 mm |
| db - min. | 23.2 mm |
| Da - max. | 38.8 mm |
| Db - max. | 40 mm |
| ra - max. | 0.6 mm |
| rb - max. | 0.3 mm |
| dn | 28.4 mm |
| Basic dynamic load rating - C | 8.7 kN |
| Basic static load rating - C0 | 4.3 kN |
| Fatigue load limit - Pu | 0.18 kN |
| Limiting speed for grease lubrication | 50000 r/min |
| Limiting speed for oil lubrication | 80000 mm/min |
| Ball - Dw | 6.35 mm |
| Ball - z | 12 |
| Gref | 0.9 cm3 |
| Calculation factor - f0 | 9.2 |
| Preload class A - GA | 35 N |
| Preload class B - GB | 70 N |
| Preload class C - GC | 140 N |
| Preload class D - GD | 280 N |
| Calculation factor - f | 1.03 |
| 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 | 1.02 |
| Preload class A | 25 N/micron |
| Preload class B | 34 N/micron |
| Preload class C | 46 N/micron |
| Preload class D | 65 N/micron |
| d1 | 27.1 mm |
| d2 | 27.1 mm |
| D1 | 34.8 mm |
| C1 | 7.15 mm |
| r1,2 min. | 0.6 mm |
| r3,4 min. | 0.3 mm |
| da min. | 23.2 mm |
| db min. | 23.2 mm |
| Da max. | 38.8 mm |
| Db max. | 40 mm |
| ra max. | 0.6 mm |
| rb max. | 0.3 mm |
| dn | 28.4 mm |
| Basic dynamic load rating C | 8.71 kN |
| Basic static load rating C0 | 4.3 kN |
| Fatigue load limit Pu | 0.18 kN |
| Attainable speed for grease lubrication | 50000 r/min |
| Attainable speed for oil-air lubrication | 80000 r/min |
| Ball diameter Dw | 6.35 mm |
| Number of balls z | 12 |
| Reference grease quantity Gref | 0.9 cm³ |
| Preload class A GA | 35 N |
| Static axial stiffness, preload class A | 25 N/µm |
| Preload class B GB | 70 N |
| Static axial stiffness, preload class B | 34 N/µm |
| Preload class C GC | 140 N |
| Static axial stiffness, preload class C | 46 N/µm |
| Preload class D GD | 280 N |
| Static axial stiffness, preload class D | 65 N/µm |
| Calculation factor f | 1.03 |
| 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 | 9.2 |
| Mass bearing | 0.06 kg |