Unit · AXIAL-PISTON PUMP
A4VG56EP1D1/32L-NSC02K025E-KR902022234
Axial piston pump Bosch Rexroth series A4VG, type code A4VG56EP1D1/32L-NSC02K025E-K, material number R902022234. 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). 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 ANSI B92.1a (S). 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: without integrated boost pump with through drive (K). 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 250 … 420 bar direct operated, fixed setting with bypass (5). Filtration boost circuit/external boost pressure supply: external boost pressure supply (version without integrated boost pump – N00, K...) (E).
- Number
- R902022234
- Type code
- A4VG56EP1D1/32L-NSC02K025E-K
- Group
- A4VG 56
- Edition
- 12/2019

| Pos. | Number | Name | Qty | Add to inquiry |
|---|---|---|---|---|
| — | AXIAL-PISTON PUMP Assembly parts list →L | 1 | ||
| 0510725472 | HYDRAULIC GEAR PUMPL | 1 | ||
| R909083087 | SOCKET HEAD CAP SCREW | 2 |
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 |
| 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 ANSI B92.1a | S |
| 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 | Without integrated boost pump with through drive | K |
| 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 250 … 420 bar direct operated, fixed setting with bypass | 5 |
| Filtration boost circuit/external boost pressure supply | External boost pressure supply (version without integrated boost pump – N00, K...) | E |