Unit · AXIAL-PISTON PUMP
A4VG56EP4D1/32L-NAC02F025FHBEIJ4R902149786
Axial piston pump Bosch Rexroth series A4VG, type code A4VG56EP4D1/32L-NAC02F025FHBEIJ4, material number R902149786. 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 electric with inlet filtration in P U = 24 V (EP4). 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 DIN 5480 for combination pump – 1st pump (A). 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: 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: attachment filter with cold start valve (F).
- Number
- R902149786
- Type code
- A4VG56EP4D1/32L-NAC02F025FHBEIJ4
- 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 | R902149744 | CONTROL Assembly parts list →L | 1 | |
| 3 | R902131047 | CONNECTION PLATE Assembly parts list →L | 1 | |
| 4 | R909606389 | INTERNAL GEAR PUMP Assembly parts list →L | 1 | |
| 5 | R902106539 | CONTROL MODULE Assembly parts list →L | 1 | |
| 6 | R902033737 | FILTER Assembly parts list →L | 1 | |
| 13 | R902132713 | PIVOT PIN | 1 | |
| 14 | R909405732 | POITIONING PIN | 1 | |
| 20 | R909151694 | SCREW PLUG | 1 | |
| 21 | R909151979 | SCREW PLUG | 2 | |
| 22 | R909151692 | SCREW PLUG | 4 | |
| 23 | R909153815 | SCREW PLUG | 1 | |
| 24 | R909083228 | SCREW PLUG | 1 | |
| 25 | R909086731 | O-RING | 1 | |
| 26 | R909153572 | SCREW PLUG | 1 | |
| 27 | R909831318 | DOUBLE BREAK-OFF PLUG | 2 | |
| 28 | R909156493 | NOZZLE | 2 | |
| 31 | R913016373 | SLOTTED SPRING PIN | 2 | |
| 32 | R909153364 | SCREW PLUG | 1 | |
| 37 | R909087912 | SCREW PLUG | 1 | |
| 46 | R909154981 | SETSCREW | 1 | |
| 47 | R909153271 | SEALING NUT | 1 | |
| 49 | R909156497 | NOZZLE | 1 | |
| 98 | R902095633 | 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 electric with inlet filtration in P U = 24 V | EP4 |
| 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 DIN 5480 for combination pump – 1st pump | A |
| 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 | 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 | Attachment filter with cold start valve | F |