KOMATSU 20Y-70-31122 BOOM
| Min.Order Quantity |
1 pcs |
| Price |
Negotiable |
Product Features
KOMATSU 20Y-70-31122 BOOM Size Chart (mm/inches) |
|---|
| d | 60 mm |
| D | 125 mm |
| T | 80 mm |
| d1 ≈ | 97.2 mm |
| B | 76.5 mm |
| C | 69 mm |
| r1,2 min. | 3 mm |
| r3,4 min. | 3 mm |
| a | 43 mm |
| da max. | 72 mm |
| db min. | 72.5 mm |
| Da min. | 94 mm |
| Da max. | 113.5 mm |
| Db min. | 119 mm |
| Ca min. | 4 mm |
| Cb min. | 11 mm |
| ra max. | 3 mm |
| rb max. | 3 mm |
| Basic dynamic load rating C | 325 kN |
| Basic static load rating C0 | 405 kN |
| Fatigue load limit Pu | 49 kN |
| Reference speed | 3000 r/min |
| Limiting speed | 5300 r/min |
| Calculation factor e | 0.83 |
| Calculation factor Y | 0.72 |
| Calculation factor Y0 | 0.4 |
| Mass bearing pair | 4.54 kg |