Komatsu 421-43-47102 0 ASS'Y
| Min.Order Quantity |
1 pcs |
| Price |
Negotiable |
Product Features
Komatsu 421-43-47102 0 ASS'Y Size Chart (mm/inches) |
|---|
| Bearing number | 7248 BCBM |
| Size (mm) | 440x240x72 |
| Bore Diameter (mm) | 440 |
| Outer Diameter (mm) | 240 |
| Width (mm) | 72 |
| d | 240 mm |
| D | 440 mm |
| B | 72 mm |
| d1 | 322.6 mm |
| d2 | 292.62 mm |
| D1 | 360.41 mm |
| a | 180 mm |
| r1,2 - min. | 4 mm |
| r3,4 - min. | 1.5 mm |
| da - min. | 257 mm |
| Da - max. | 423 mm |
| Db - max. | 431 mm |
| ra - max. | 4 mm |
| rb - max. | 1.5 mm |
| Basic dynamic load rating - C | 449 kN |
| Basic static load rating - C0 | 670 kN |
| Fatigue load limit - Pu | 15.3 kN |
| Reference speed | 1600 r/min |
| Limiting speed | 2600 r/min |
| Calculation factor - kr | 0.08 |
| Calculation factor - ka | 1.2 |
| Calculation factor - e | 1.14 |
| Calculation factor - X | 0.57 |
| Calculation factor - Y0 | 0.52 |
| Calculation factor - Y1 | 0.55 |
| Calculation factor - Y2 | 0.93 |
| Calculation factor - X | 0.35 |
| Calculation factor - Y0 | 0.5 |
| Calculation factor - Y1 | |
| Calculation factor - Y2 | 0.57 |
| d1 ≈ | 322.6 mm |
| d2 ≈ | 292.62 mm |
| D1 ≈ | 360.41 mm |
| r1,2 min. | 4 mm |
| r3,4 min. | 1.5 mm |
| da min. | 257 mm |
| Da max. | 423 mm |
| Db max. | 431 mm |
| ra max. | 4 mm |
| rb max. | 1.5 mm |
| Basic dynamic load rating C | 449 kN |
| Basic static load rating C0 | 670 kN |
| Fatigue load limit Pu | 15.3 kN |
| Calculation factor A | 5.12 |
| Calculation factor kr | 0.08 |
| Calculation factor e | 1.14 |
| Calculation factor X | 0.35 |
| Calculation factor Y0 | 0.5 |
| Calculation factor Y2 | 0.57 |
| Calculation factor X | 0.57 |
| Calculation factor Y0 | 0.52 |
| Calculation factor Y1 | 0.55 |
| Calculation factor Y2 | 0.93 |
| Mass bearing | 49 kg |