NACHI PVD-0B-20P-6G-4939A PVD Series Hydraulic Piston Pumps
| Place of Origin |
JAPAN |
| Brand Name |
NACHI |
| Certification |
CE,ISO9000 |
| Model Number |
PVD-0B-20P-6G-4939A |
| Min.Order Quantity |
contact us |
| Price |
Negotiable |
| Packaging Details |
Standard packing |
| Delivery Time |
contact us |
| Payment Terms |
T/T,Western Union |
| Supply Ability |
contact us |
Product Features
NACHI PVD-0B-20P-6G-4939A bearing Size Chart (mm/inches) |
|---|
| Bearing number | 7020 ACE/P4AL1 |
| Size (mm) | 150x100x24 |
| Bore Diameter (mm) | 150 |
| Outer Diameter (mm) | 100 |
| Width (mm) | 24 |
| d | 100 mm |
| D | 150 mm |
| B | 24 mm |
| d1 | 117.38 mm |
| d2 | 114.2 mm |
| D1 | 132.61 mm |
| b | 1.8 mm |
| C1 | 7.1 mm |
| C2 | 4 mm |
| C3 | 4 mm |
| r1,2 - min. | 1.5 mm |
| r3,4 - min. | 1 mm |
| a | 41.4 mm |
| da - min. | 107 mm |
| db - min. | 107 mm |
| Da - max. | 143 mm |
| Db - max. | 144.4 mm |
| ra - max. | 1.5 mm |
| rb - max. | 1 mm |
| dn | 120.4 mm |
| Basic dynamic load rating - C | 42.3 kN |
| Basic static load rating - C0 | 38 kN |
| Fatigue load limit - Pu | 1.4 kN |
| Limiting speed for grease lubrication | 11200 r/min |
| Limiting speed for oil lubrication | 17500 mm/min |
| Ball - Dw | 12.7 mm |
| Ball - z | 27 |
| Gref | 17 cm3 |
| Calculation factor - e | 0.68 |
| Calculation factor - Y2 | 0.87 |
| Calculation factor - Y0 | 0.38 |
| Calculation factor - X2 | 0.41 |
| Calculation factor - Y1 | 0.92 |
| Calculation factor - Y2 | 1.41 |
| Calculation factor - Y0 | 0.76 |
| Calculation factor - X2 | 0.67 |
| Preload class A - GA | 390 N |
| Preload class B - GB | 1150 N |
| Preload class C - GC | 2310 N |
| Calculation factor - f | 1.12 |
| Calculation factor - f1 | 0.99 |
| Calculation factor - f2A | 1 |
| Calculation factor - f2B | 1.03 |
| Calculation factor - f2C | 1.06 |
| Calculation factor - fHC | 1 |
| Preload class A | 220 N/micron |
| Preload class B | 330 N/micron |
| Preload class C | 435 N/micron |
| d1 | 117.38 mm |
| d2 | 114.2 mm |
| D1 | 132.61 mm |
| C1 | 7.1 mm |
| C2 | 4 mm |
| C3 | 4 mm |
| r1,2 min. | 1.5 mm |
| r3,4 min. | 1 mm |
| da min. | 107 mm |
| db min. | 107 mm |
| Da max. | 143 mm |
| Db max. | 144.4 mm |
| ra max. | 1.5 mm |
| rb max. | 1 mm |
| dn | 120.4 mm |
| Basic dynamic load rating C | 42.3 kN |
| Basic static load rating C0 | 38 kN |
| Fatigue load limit Pu | 1.43 kN |
| Attainable speed for grease lubrication | 11200 r/min |
| Attainable speed for oil-air lubrication | 17500 r/min |
| Ball diameter Dw | 12.7 mm |
| Number of balls z | 27 |
| Reference grease quantity Gref | 17 cm³ |
| Preload class A GA | 390 N |
| Static axial stiffness, preload class A | 220 N/µm |
| Preload class B GB | 1150 N |
| Static axial stiffness, preload class B | 330 N/µm |
| Preload class C GC | 2310 N |
| Static axial stiffness, preload class C | 435 N/µm |
| Calculation factor f | 1.12 |
| Calculation factor f1 | 0.99 |
| Calculation factor f2A | 1 |
| Calculation factor f2B | 1.03 |
| Calculation factor f2C | 1.06 |
| Calculation factor fHC | 1 |
| Calculation factor e | 0.68 |
| Calculation factor (single, tandem) Y2 | 0.87 |
| Calculation factor (single, tandem) Y0 | 0.38 |
| Calculation factor (single, tandem) X2 | 0.41 |
| Calculation factor (back-to-back, face-to-face) Y1 | 0.92 |
| Calculation factor (back-to-back, face-to-face) Y2 | 1.41 |
| Calculation factor (back-to-back, face-to-face) Y0 | 0.76 |
| Calculation factor (back-to-back, face-to-face) X2 | 0.67 |
| Mass bearing | 1.26 kg |