Unit · AXIAL-PISTON PUMP
AA4VG40HWD2/32R-NUC53F045D-SR902123930
Axial piston pump Bosch Rexroth series A4VG, type code AA4VG40HWD2/32R-NUC53F045D-S, material number R902123930. Nominal size: NG 40. 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: proportional control hydraulic mechanical servo (HW). Pressure cut-off: pressure cut-off (D). 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). Drive shaft: splined shaft ANSI B92.1a only for combination pump – 2nd pump (U). Mounting flange: SAE J744 2-hole (C). Working port (port plate): SAE working port A and B, top and bottom suction port S at top (53). Boost pump: integrated boost pump with and without through drive (F). 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 3600 to 6100 psi direct operated, fixed setting (250 to 420 bar) with bypass (5). 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
- R902123930
- Type code
- AA4VG40HWD2/32R-NUC53F045D-S
- Group
- A4VG 40
- Edition
- 06/2020
This parts list has no drawing.
| Pos. | Number | Name | Qty | Add to inquiry |
|---|---|---|---|---|
| 1 | R902199675 | ROTARY GROUP Assembly parts list →L | 1 | |
| 2 | R902016034 | CONTROL Assembly parts list →L | 1 | |
| 3 | R902114479 | CONNECTION PLATE Assembly parts list →L | 1 | |
| 4 | R909606702 | INTERNAL GEAR PUMP Assembly parts list →L | 1 | |
| 5 | R902016082 | CONTROL MODULE Assembly parts list →L | 1 | |
| 7 | R909416388 | CONTROL CARTRIDGE Assembly parts list →L | 1 | |
| 10 | R902114481 | HOUSING | 1 | |
| 13 | R902114380 | PIVOT PIN | 1 | |
| 20 | R909153339 | SCREW PLUGD | 1 | |
| 21 | R909153371 | SCREW PLUGD | 1 | |
| 22 | R909154478 | SCREW PLUGD | 5 | |
| 23 | R909153815 | SCREW PLUGD | 2 | |
| 27 | R909831318 | DOUBLE BREAK-OFF PLUG | 2 | |
| 28 | R909156493 | NOZZLE | 2 | |
| 31 | R913016373 | SLOTTED SPRING PIN | 2 | |
| 32 | R909153364 | SCREW PLUGD | 1 | |
| 37 | R909087912 | SCREW PLUG | 1 | |
| 46 | R909435856 | ECCENTRIC SCREW | 1 | |
| 47 | R909153271 | SEALING NUTD | 1 | |
| 49 | R909156497 | NOZZLE | 1 | |
| 78 | R909607033 | THREADED PART Assembly parts list →L | 1 | |
| 98 | R902095501 | SEAL KIT | 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) | 40 | 40 |
| Control device | Proportional control hydraulic mechanical servo | HW |
| Pressure cut-off | Pressure cut-off | D |
| 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 |
| Drive shaft | Splined shaft ANSI B92.1a only for combination pump – 2nd pump | U |
| Mounting flange | SAE J744 2-hole | C |
| Working port (port plate) | SAE working port A and B, top and bottom suction port S at top | 53 |
| Boost pump | Integrated boost pump with and without through drive | F |
| 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 3600 to 6100 psi direct operated, fixed setting (250 to 420 bar) with bypass | 5 |
| 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 |