Komatsu INJECTOR ASS'Y 7831-31-5102 MODULE 21T-68-32572 INJECTOR ASS'Y
| Min.Order Quantity |
1 pcs |
| Price |
Negotiable |
Product Features
Komatsu INJECTOR ASS'Y 7831-31-5102 MODULE 21T-68-32572 INJECTOR ASS'Y Size Chart (mm/inches) |
|---|
| Bearing number | NJ 2311 ECPH |
| Size (mm) | 120x55x43 |
| Bore Diameter (mm) | 120 |
| Outer Diameter (mm) | 55 |
| Width (mm) | 43 |
| d | 55 mm |
| D | 120 mm |
| B | 43 mm |
| d1 | 77.5 mm |
| D1 | 100.3 mm |
| F | 70.5 mm |
| r1,2 - min. | 2 mm |
| r3,4 - min. | 2 mm |
| s | 3.5 mm |
| da - min. | 65 mm |
| da - max. | 68 mm |
| db - min. | 80 mm |
| Da - max. | 109.2 mm |
| ra - max. | 2 mm |
| Basic dynamic load rating - C | 232 kN |
| Basic static load rating - C0 | 232 kN |
| Fatigue load limit - Pu | 30.5 kN |
| Reference speed | 6000 r/min |
| Limiting speed | 7000 r/min |
| Calculation factor - kr | 0.25 |
| d1 ≈ | 77.5 mm |
| D1 ≈ | 100.3 mm |
| r1,2 min. | 2 mm |
| r3,4 min. | 2 mm |
| s max. | 3.5 mm |
| da min. | 65 mm |
| da max. | 68 mm |
| db min. | 80 mm |
| Da max. | 109.2 mm |
| ra max. | 2 mm |
| Basic dynamic load rating C | 232 kN |
| Basic static load rating C0 | 232 kN |
| Fatigue load limit Pu | 30.5 kN |
| Calculation factor kr | 0.25 |
| Limiting value e | 0.3 |
| Axial load factor Y | 0.4 |
| Mass bearing | 2.26 kg |