Unit · AXIAL-PISTON PUMP
A4VG28DGDT1/32R-NSC10K043E-SR902090937
Axial piston pump Bosch Rexroth series A4VG, type code A4VG28DGDT1/32R-NSC10K043E-S, material number R902090937. Nominal size: NG 28. 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). Stroking chamber pressure port: stroking chamber pressure port X X (T). 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 2-hole (C). Working port (port plate): SAE working port A and B, same side right suction port S bottom (10). Boost pump: without integrated boost pump with through drive (K). Through drive: flange SAE J744 Hub for splined shaft, 101-2 (B) 1 in 15T 16/32DP (04). High-pressure relief valve Setting range ∆pHD: high-pressure relief valve 250 … 420 bar without bypass direct operated, fixed setting (3).
- Number
- R902090937
- Type code
- A4VG28DGDT1/32R-NSC10K043E-S
- Group
- A4VG 28
- Edition
- 06/2020
| Pos. | Number | Name | Qty | Add to inquiry |
|---|---|---|---|---|
| R902199517 | ROTARY GROUP Assembly parts list →L | 1 | ||
| R902039535 | CONTROL Assembly parts list →L | 1 | ||
| R902014750 | CONNECTION PLATE Assembly parts list →L | 1 | ||
| R902064018 | BELL HOUSING Assembly parts list →L | 1 | ||
| R902015517 | HOUSING | 1 | ||
| 13 | R902114380 | PIVOT PIN | 1 | |
| 20 | R909151694 | SCREW PLUGD | 1 | |
| R909151979 | SCREW PLUGD | 1 | ||
| R909151692 | SCREW PLUGD | 5 | ||
| R909153815 | SCREW PLUGD | 1 | ||
| R909084400 | SCREW PLUG | 1 | ||
| R909083761 | O-RINGD | 1 | ||
| R909153572 | SCREW PLUG | 1 | ||
| R909156493 | NOZZLE | 2 | ||
| R913016373 | SLOTTED SPRING PIN | 2 | ||
| R909153364 | SCREW PLUGD | 1 | ||
| R909086351 | SETSCREW | 1 | ||
| R909153861 | SCREW PLUG | 1 | ||
| R909445436 | ECCENTRIC SCREW | 1 | ||
| R909153271 | SEALING NUTD | 1 | ||
| R909156497 | NOZZLE | 1 | ||
| R902074318 | FLUSH/BOOST PRESSURE VALVE Assembly parts list →L | 1 | ||
| 98 | R902095640 | 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) | 28 | 28 |
| Control device | Hydraulic control, direct operated | DG |
| Pressure cut-off | Pressure cut-off | D |
| Stroking chamber pressure port | Stroking chamber pressure port X X | T |
| 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 2-hole | C |
| Working port (port plate) | SAE working port A and B, same side right suction port S bottom | 10 |
| Boost pump | Without integrated boost pump with through drive | K |
| Through drive | Flange SAE J744 Hub for splined shaft, 101-2 (B) 1 in 15T 16/32DP | 04 |
| High-pressure relief valve Setting range ∆pHD | High-pressure relief valve 250 … 420 bar without bypass direct operated, fixed setting | 3 |
| Filtration boost circuit/external boost pressure supply | External boost pressure supply (version without integrated boost pump – N00, K...) | E |
| Standard/special version | Special version | -S |