Unit · AXIAL-PISTON PUMP
A4VG56HWD3L/32R-NZC02F005FBR-BEIJ-4R902149805
Axial piston pump Bosch Rexroth series A4VG, type code A4VG56HWD3L/32R-NZC02F005FBR-BEIJ-4, material number R902149805. 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). Control device: proportional control hydraulic mechanical servo (HW). Pressure cut-off: pressure cut-off (D). DA control valve: DA control valve, mechanically adjustable, with position lever direction of actuation, counter-clockwise (3L). 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 DIN 5480 (Z). 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: 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 250 … 420 bar direct operated, fixed setting with bypass (5). Filtration boost circuit/external boost pressure supply: attachment filter with cold start valve (F).
- Number
- R902149805
- Type code
- A4VG56HWD3L/32R-NZC02F005FBR-BEIJ-4
- Group
- A4VG 56
- Edition
- 05/2020
This parts list has no drawing.
| Pos. | Number | Name | Qty | Add to inquiry |
|---|---|---|---|---|
| 1 | R902149740 | ROTARY GROUP Assembly parts list →L | 1 | |
| 2 | R902149745 | CONTROL Assembly parts list →L | 1 | |
| 3 | R902131047 | CONNECTION PLATE Assembly parts list →L | 1 | |
| 4 | R909606382 | INTERNAL GEAR PUMP Assembly parts list →L | 1 | |
| 5 | R902018885 | CONTROL MODULE Assembly parts list →L | 1 | |
| 6 | R902033737 | FILTER Assembly parts list →L | 1 | |
| 7 | R909606423 | CONTROL CARTRIDGE Assembly parts list →L | 1 | |
| 13 | R902132713 | PIVOT PIN | 1 | |
| 20 | R909151694 | SCREW PLUGD | 1 | |
| 21 | R909151979 | SCREW PLUGD | 2 | |
| 22 | R909151692 | SCREW PLUGD | 4 | |
| 23 | R909153815 | SCREW PLUGD | 1 | |
| 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 | |
| 98 | R902095645 | 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) | 56 | 56 |
| Control device | Proportional control hydraulic mechanical servo | HW |
| Pressure cut-off | Pressure cut-off | D |
| DA control valve | DA control valve, mechanically adjustable, with position lever direction of actuation, counter-clockwise | 3L |
| 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 DIN 5480 | Z |
| 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 | 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 250 … 420 bar direct operated, fixed setting with bypass | 5 |
| Filtration boost circuit/external boost pressure supply | Attachment filter with cold start valve | F |