Unit · AXIAL-PISTON PUMP
A4VG56DA1DT8/32R-NZC02F075S-SR902021054
Axial piston pump Bosch Rexroth series A4VG, type code A4VG56DA1DT8/32R-NZC02F075S-S, material number R902021054. Nominal size: NG 56. Axial piston unit: swashplate design, variable, nominal pressure 400 bar, maximum pressure 450 bar (A4V). Operating mode: pump, closed circuit (G). Control device: automatic control, speed related U = 12 V (DA1). Pressure cut-off: pressure cut-off (D). Stroking chamber pressure port: stroking chamber pressure port X X (T). DA control valve: DA control valve, fixed setting and hydraulic inch valve mounted, control with hydraulic fluid, mineral oil-based (8). Direction of rotation: viewed on drive shaft clockwise (R). Sealing material: NBR (nitrile rubber), shaft seal made of FKM (fluorocarbon rubber) (N). Drive shaft: splined shaft for single pump DIN 5480 (Z). Mounting flange: SAE J744 2-hole (C). Working port (port plate): SAE working port A and B, top and bottom suction port S bottom (02). Boost pump: integrated boost pump with and without through drive (F). Through drive: flange SAE J744 Hub for splined shaft, 127-2 (C) 1 1/4 in 14T 12/24DP (07). High-pressure relief valve Setting range ∆pHD: high-pressure relief valve 250 … 420 bar direct operated, fixed setting with bypass (5).
- Number
- R902021054
- Type code
- A4VG56DA1DT8/32R-NZC02F075S-S
- Group
- A4VG 56
- Edition
- 12/2019
| Pos. | Number | Name | Qty | Add to inquiry |
|---|---|---|---|---|
| — | ROTARY GROUP Assembly parts list →L | 1 | ||
| R902022880 | CONTROL Assembly parts list →L | 1 | ||
| R909609347 | CONNECTION PLATE Assembly parts list →L | 1 | ||
| — | INTERNAL GEAR PUMP Assembly parts list →L | 1 | ||
| 5 | R909438896 | INCHING VALVE Assembly parts list →L | 1 | |
| R909414719 | CONTROL CARTRIDGE Assembly parts list →L | 1 | ||
| R902029526 | HOUSING | 1 | ||
| 13 | R902132713 | PIVOT PIN | 1 | |
| R909151694 | SCREW PLUG | 1 | ||
| R909151979 | SCREW PLUG | 2 | ||
| R909151692 | SCREW PLUG | 6 | ||
| R909153815 | SCREW PLUG | 4 | ||
| — | DOUBLE BREAK-OFF PLUG | 2 | ||
| 28 | R909156495 | NOZZLE | 2 | |
| R913016373 | SLOTTED SPRING PIN | 2 | ||
| R909153364 | SCREW PLUG | 1 | ||
| R909435856 | ECCENTRIC SCREW | 1 | ||
| R909153271 | SEALING NUT | 1 | ||
| R909156497 | NOZZLE | 1 | ||
| R909447211 | CONTROL ELEMENT Assembly parts list →L | 1 |
Parameters from the type code
| Item | Meaning | Code |
|---|---|---|
| Axial piston unit | Swashplate design, variable, nominal pressure 400 bar, maximum pressure 450 bar | A4V |
| Operating mode | Pump, closed circuit | G |
| Size (NG) | 56 | 56 |
| Control device | Automatic control, speed related U = 12 V | DA1 |
| Pressure cut-off | Pressure cut-off | D |
| Stroking chamber pressure port | Stroking chamber pressure port X X | T |
| DA control valve | DA control valve, fixed setting and hydraulic inch valve mounted, control with hydraulic fluid, mineral oil-based | 8 |
| Series | Series 3, index 2 | 32 |
| Direction of rotation | Viewed on drive shaft clockwise | R |
| Sealing material | NBR (nitrile rubber), shaft seal made of FKM (fluorocarbon rubber) | N |
| Drive shaft | Splined shaft for single pump DIN 5480 | Z |
| Mounting flange | SAE J744 2-hole | C |
| Working port (port plate) | SAE working port A and B, top and bottom suction port S bottom | 02 |
| Boost pump | Integrated boost pump with and without through drive | F |
| Through drive | Flange SAE J744 Hub for splined shaft, 127-2 (C) 1 1/4 in 14T 12/24DP | 07 |
| High-pressure relief valve Setting range ∆pHD | High-pressure relief valve 250 … 420 bar direct operated, fixed setting with bypass | 5 |
| Filtration boost circuit/external boost pressure supply | Filtration in the boost pump suction line | S |
| Standard/special version | Special version | -S |