Unit · AXIAL-PISTON PUMP
A4VG90MSD1/32L-NZX02F001D-SR902023421
Axial piston pump Bosch Rexroth series A4VG, type code A4VG90MSD1/32L-NZX02F001D-S, material number R902023421. Nominal size: NG 90. Axial piston unit: swashplate design, variable, nominal pressure 400 bar, maximum pressure 450 bar (A4V). Operating mode: pump, closed circuit (G). Pressure cut-off: pressure cut-off (D). DA control valve: without DA control valve (1). Direction of rotation: viewed on drive shaft counter-clockwise (L). Sealing material: NBR (nitrile rubber), shaft seal made of FKM (fluorocarbon rubber) (N). Drive shaft: splined shaft for single pump DIN 5480 (Z). 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: without through drive, only for version N and F (00). High-pressure relief valve Setting range ∆pHD: high-pressure relief valve, pilot operated 100 … 420 bar with bypass (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
- R902023421
- Type code
- A4VG90MSD1/32L-NZX02F001D-S
- Group
- A4VG 90
- Edition
- 06/2020

| Pos. | Number | Name | Qty | Add to inquiry |
|---|---|---|---|---|
| R902195487 | ROTARY GROUP Assembly parts list →L | 1 | ||
| R902017049 | CONTROL Assembly parts list →L | 1 | ||
| R909608592 | CONNECTION PLATE Assembly parts list →L | 1 | ||
| R909606811 | INTERNAL GEAR PUMP Assembly parts list →L | 1 | ||
| R902195718 | HOUSING | 1 | ||
| R902114380 | PIVOT PIN | 2 | ||
| R909153815 | SCREW PLUGD | 2 | ||
| R909153816 | SCREW PLUGD | 3 | ||
| R909083228 | SCREW PLUG | 1 | ||
| R909086731 | O-RINGD | 1 | ||
| R909153572 | SCREW PLUG | 1 | ||
| R909426700 | NOZZLE | 2 | ||
| R913016373 | SLOTTED SPRING PIN | 2 | ||
| R909151692 | SCREW PLUGD | 1 | ||
| R909151694 | SCREW PLUGD | 2 | ||
| R909153364 | SCREW PLUGD | 5 | ||
| R909087913 | SCREW PLUG | 1 | ||
| 42 | R902601958 | POLLUTION SWITCH | 1 | |
| R902035616 | ECCENTRIC SCREW | 1 | ||
| R909087405 | SEALING NUTD | 1 | ||
| R909426706 | NOZZLE | 1 | ||
| R909606988 | CONNECTION PLATE Assembly parts list →L | 1 | ||
| R909607040 | TORQUE-PRESSURE CONTROL VALVE Assembly parts list →L | 1 | ||
| R909608974 | HYDRAULIC LINE Assembly parts list →L | 1 | ||
| R909608972 | HYDRAULIC LINE Assembly parts list →L | 1 | ||
| R909608973 | HYDRAULIC LINE Assembly parts list →L | 1 | ||
| 83 | R902032081 | THERMOSWITCH 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) | 90 | 90 |
| Pressure cut-off | Pressure cut-off | D |
| DA control valve | Without DA control valve | 1 |
| Series | Series 3, index 2 | 32 |
| Direction of rotation | Viewed on drive shaft counter-clockwise | L |
| Sealing material | NBR (nitrile rubber), shaft seal made of FKM (fluorocarbon rubber) | N |
| Drive shaft | Splined shaft for single pump DIN 5480 | Z |
| 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 | Without through drive, only for version N and F | 00 |
| High-pressure relief valve Setting range ∆pHD | High-pressure relief valve, pilot operated 100 … 420 bar with bypass | 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 |