Komatsu STEP 569-54-8M741 STEP
| Min.Order Quantity |
1 pcs |
| Price |
Negotiable |
Product Features
Komatsu STEP 569-54-8M741 STEP Size Chart (mm/inches) |
|---|
| Bearing number | 7009 CE/P4AL |
| Size (mm) | 75x45x16 |
| Bore Diameter (mm) | 75 |
| Outer Diameter (mm) | 45 |
| Width (mm) | 16 |
| d | 45 mm |
| D | 75 mm |
| B | 16 mm |
| d1 | 55.7 mm |
| d2 | 53.6 mm |
| D1 | 64.25 mm |
| b | 1.7 mm |
| C1 | 8.6 mm |
| C2 | 3 mm |
| C3 | 3 mm |
| r1,2 - min. | 1 mm |
| r3,4 - min. | 0.6 mm |
| a | 16.1 mm |
| da - min. | 49.6 mm |
| db - min. | 49.6 mm |
| Da - max. | 70.4 mm |
| Db - max. | 70.8 mm |
| ra - max. | 1 mm |
| rb - max. | 0.6 mm |
| dn | 57.6 mm |
| Basic dynamic load rating - C | 13 kN |
| Basic static load rating - C0 | 8.5 kN |
| Fatigue load limit - Pu | 0.36 kN |
| Limiting speed for grease lubrication | 27000 r/min |
| Limiting speed for oil lubrication | 41000 mm/min |
| Ball - Dw | 7.144 mm |
| Ball - z | 21 |
| Gref | 3.4 cm3 |
| Calculation factor - f0 | 8.2 |
| Preload class A - GA | 70 N |
| Preload class B - GB | 210 N |
| Preload class C - GC | 410 N |
| Calculation factor - f | 1.06 |
| Calculation factor - f | 1 |
| Calculation factor - f2A | 1 |
| Calculation factor - f2B | 1.03 |
| Calculation factor - f2C | 1.05 |
| Calculation factor - fHC | 1 |
| Preload class A | 38 N/micron |
| Preload class B | 59 N/micron |
| Preload class C | 79 N/micron |
| d1 | 55.7 mm |
| d2 | 53.6 mm |
| D1 | 64.25 mm |
| C1 | 8.6 mm |
| C2 | 3 mm |
| C3 | 3 mm |
| r1,2 min. | 1 mm |
| r3,4 min. | 0.6 mm |
| da min. | 49.6 mm |
| db min. | 49.6 mm |
| Da max. | 70.4 mm |
| Db max. | 70.8 mm |
| ra max. | 1 mm |
| rb max. | 0.6 mm |
| dn | 57.6 mm |
| Basic dynamic load rating C | 13 kN |
| Basic static load rating C0 | 8.5 kN |
| Fatigue load limit Pu | 0.36 kN |
| Attainable speed for grease lubrication | 27000 r/min |
| Attainable speed for oil-air lubrication | 41000 r/min |
| Ball diameter Dw | 7.144 mm |
| Number of balls z | 21 |
| Reference grease quantity Gref | 3.4 cm³ |
| Preload class A GA | 70 N |
| Static axial stiffness, preload class A | 38 N/µm |
| Preload class B GB | 210 N |
| Static axial stiffness, preload class B | 59 N/µm |
| Preload class C GC | 410 N |
| Static axial stiffness, preload class C | 79 N/µm |
| Calculation factor f | 1.06 |
| Calculation factor f1 | 1 |
| Calculation factor f2A | 1 |
| Calculation factor f2B | 1.03 |
| Calculation factor f2C | 1.05 |
| Calculation factor fHC | 1 |
| Calculation factor f0 | 8.2 |
| Mass bearing | 0.24 kg |