Unit · AXIAL-PISTON PUMP
A4VG250DGD1/32R-NSD10F021D-SR902203400
Axial piston pump Bosch Rexroth series A4VG, type code A4VG250DGD1/32R-NSD10F021D-S, material number R902203400. Nominal size: NG 250. Axial piston unit: swashplate design, variable, nominal pressure 400 bar, maximum pressure 450 bar (A4V). Operating mode: pump, closed circuit (G). Control device: hydraulic control, direct operated (DG). Pressure cut-off: pressure cut-off (D). DA control valve: without DA control valve (1). 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 ANSI B92.1a (S). Mounting flange: SAE J744 4-hole (D). Working port (port plate): SAE working port A and B, same side right suction port S bottom (10). Boost pump: integrated boost pump with and without through drive (F). Through drive: flange SAE J744 Hub for splined shaft, 101-2 (B) 7/8 in 13T 16/32DP (02). 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).
- Number
- R902203400
- Type code
- A4VG250DGD1/32R-NSD10F021D-S
- Group
- A4VG 250
- Edition
- 06/2020
This parts list has no drawing.
| Pos. | Number | Name | Qty | Add to inquiry |
|---|---|---|---|---|
| 1 | R902103740 | ROTARY GROUP Assembly parts list →L | 1 | |
| 2 | R902007360 | CONTROL Assembly parts list →L | 1 | |
| 3 | R902029543 | CONNECTION PLATE Assembly parts list →L | 1 | |
| 4 | R902029562 | INTERNAL GEAR PUMP Assembly parts list →L | 1 | |
| 8 | R909429211 | COVER Assembly parts list →L | 1 | |
| 10 | R909652198 | HOUSING | 1 | |
| 13 | R902132714 | PIVOT PIN | 4 | |
| 20 | R909153862 | SCREW PLUGD | 1 | |
| 21 | R909153815 | SCREW PLUGD | 1 | |
| 22 | R909153816 | SCREW PLUGD | 3 | |
| 24 | R909083229 | SCREW PLUG | 1 | |
| 25 | R909085545 | O-RING | 1 | |
| 26 | R909831349 | PLUG | 1 | |
| 28 | R909426708 | NOZZLE | 2 | |
| 31 | R913016375 | SLOTTED SPRING PIN | 2 | |
| 32 | R909151979 | SCREW PLUGD | 2 | |
| 35 | R909153364 | SCREW PLUGD | 3 | |
| 37 | R902600285 | SETSCREW | 1 | |
| 46 | R902005487 | ECCENTRIC SCREW | 1 | |
| 46 | R909157393 | SETSCREW | 1 | |
| 47 | R909152975 | SEALING NUTD | 1 | |
| 49 | R909831349 | PLUG | 1 | |
| 63 | R909151692 | SCREW PLUG | 4 | |
| 98 | R902095665 | SEAL KIT | 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) | 250 | 250 |
| Control device | Hydraulic control, direct operated | DG |
| 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 clockwise | R |
| Sealing material | NBR (nitrile rubber), shaft seal made of FKM (fluorocarbon rubber) | N |
| Drive shaft | Splined shaft for single pump ANSI B92.1a | S |
| Mounting flange | SAE J744 4-hole | D |
| Working port (port plate) | SAE working port A and B, same side right suction port S bottom | 10 |
| Boost pump | Integrated boost pump with and without through drive | F |
| Through drive | Flange SAE J744 Hub for splined shaft, 101-2 (B) 7/8 in 13T 16/32DP | 02 |
| 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 |