Unit · AXIAL-PISTON PUMP
AA4VG90DA2DT2/32R-NXFXXFXX1DT-SR902056003
Axial piston pump Bosch Rexroth series A4VG, type code AA4VG90DA2DT2/32R-NXFXXFXX1DT-S, material number R902056003. Nominal size: NG 90. Axial piston unit: swashplate design, variable, nominal pressure 5800 psi (400 bar), maximum pressure 6500 psi (A4V). Operating mode: pump, closed circuit (G). Control device: automatic control, speed related U = 24 V (DA2). 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 (2). Direction of rotation: viewed on drive shaft clockwise (R). Sealing material: NBR (nitrile rubber), shaft seal made of FKM (fluorocarbon rubber) (N). Mounting flange: SAE J744 2+4-hole (F). Boost pump: integrated boost pump with and without through drive (F). High-pressure relief valve Setting range ∆pHD: high-pressure relief valve, pilot operated 1450 to 6100 psi with bypass (100 to 420 bar) (1). Filtration boost circuit/external boost pressure supply: filtration in the boost pump pressure line Ports for external boost circuit filtration (Fe and Fa) (D). Standard/special version: special version (-S).
- Number
- R902056003
- Type code
- AA4VG90DA2DT2/32R-NXFXXFXX1DT-S
- Group
- A4VG 90
- Edition
- 06/2020
This parts list has no drawing.
| Pos. | Number | Name | Qty | Add to inquiry |
|---|---|---|---|---|
| 1 | R909607874 | ROTARY GROUP Assembly parts list →L | 1 | |
| 2 | R902025121 | CONTROL Assembly parts list →L | 1 | |
| 3 | R909608826 | CONNECTION PLATE Assembly parts list →L | 1 | |
| 4 | R909606810 | INTERNAL GEAR PUMP Assembly parts list →L | 1 | |
| 5 | R902048265 | DIRECTIONAL-CONTROL VALVE Assembly parts list →L | 1 | |
| 7 | R909414719 | CONTROL CARTRIDGE Assembly parts list →L | 1 | |
| 10 | R902010618 | HOUSING | 1 | |
| 13 | R902114380 | PIVOT PIN | 2 | |
| 21 | R909153338 | SCREW PLUGD | 1 | |
| 22 | R909153371 | SCREW PLUGD | 5 | |
| 31 | R913016373 | SLOTTED SPRING PIN | 2 | |
| 33 | R909151694 | SCREW PLUGD | 2 | |
| 35 | R909153364 | SCREW PLUGD | 4 | |
| 37 | R909087913 | SCREW PLUG | 1 | |
| 41 | R909921718 | THREADED REDUCING STUD | 1 | |
| 46 | R902035616 | ECCENTRIC SCREW | 1 | |
| 47 | R909087405 | SEALING NUTD | 1 | |
| 49 | R909426706 | NOZZLE | 1 | |
| 51 | R909157665 | O-RINGD | 1 | |
| 54 | R909430054 | THROTTLE SCREW | 1 | |
| 63 | R909154478 | SCREW PLUGD | 5 | |
| 84 | R909404717 | ORIFICE | 1 |
Parameters from the type code
| Item | Meaning | Code |
|---|---|---|
| Axial piston unit | Swashplate design, variable, nominal pressure 5800 psi (400 bar), maximum pressure 6500 psi | A4V |
| Operating mode | Pump, closed circuit | G |
| Size (NG) | 90 | 90 |
| Control device | Automatic control, speed related U = 24 V | DA2 |
| 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 | 2 |
| 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 |
| Mounting flange | SAE J744 2+4-hole | F |
| Boost pump | Integrated boost pump with and without through drive | F |
| High-pressure relief valve Setting range ∆pHD | High-pressure relief valve, pilot operated 1450 to 6100 psi with bypass (100 to 420 bar) | 1 |
| Filtration boost circuit/external boost pressure supply | Filtration in the boost pump pressure line Ports for external boost circuit filtration (Fe and Fa) | D |
| Standard/special version | Special version | -S |