Komatsu 3RB-31-51430KF PAD ASS'Y
| Min.Order Quantity |
1 pcs |
| Price |
Negotiable |
Product Features
Komatsu 3RB-31-51430KF PAD ASS'Y Size Chart (mm/inches) |
|---|
| Bearing number | NJ 2308 ECPH |
| Size (mm) | 90x40x33 |
| Bore Diameter (mm) | 90 |
| Outer Diameter (mm) | 40 |
| Width (mm) | 33 |
| d | 40 mm |
| D | 90 mm |
| B | 33 mm |
| d1 | 57.5 mm |
| D1 | 75 mm |
| F | 52 mm |
| r1,2 - min. | 1.5 mm |
| r3,4 - min. | 1.5 mm |
| s | 2.9 mm |
| da - min. | 48 mm |
| da - max. | 50 mm |
| db - min. | 60 mm |
| Da - max. | 81.8 mm |
| ra - max. | 1.5 mm |
| Basic dynamic load rating - C | 129 kN |
| Basic static load rating - C0 | 120 kN |
| Fatigue load limit - Pu | 15.3 kN |
| Reference speed | 8000 r/min |
| Limiting speed | 9500 r/min |
| Calculation factor - kr | 0.25 |
| d1 ≈ | 57.5 mm |
| D1 ≈ | 75 mm |
| r1,2 min. | 1.5 mm |
| r3,4 min. | 1.5 mm |
| s max. | 2.9 mm |
| da min. | 48 mm |
| da max. | 50 mm |
| db min. | 60 mm |
| Da max. | 81.8 mm |
| ra max. | 1.5 mm |
| Basic dynamic load rating C | 129 kN |
| Basic static load rating C0 | 120 kN |
| Fatigue load limit Pu | 15.3 kN |
| Calculation factor kr | 0.25 |
| Limiting value e | 0.3 |
| Axial load factor Y | 0.4 |
| Mass bearing | 0.95 kg |