Unit · AXIAL-PISTON PUMP
AA11VLO250LRDCH2/10R-NSD62N00R902026948
Axial piston pump Bosch Rexroth series A11VO, type code AA11VLO250LRDCH2/10R-NSD62N00, material number R902026948. Nominal size: NG 250. Axial piston unit: swashplate design, variable, nominal pressure 5100 psi (350 bar), maximum pressure 5800 psi (A11V). Operating mode: pump, open circuit with charge pump (LO). Control device: power controller fixed setting, with pressure cut-off, with override cross sensing negative control, with hydraulic stroke limiter positive control Δp = 365 psi (25 bar) (LRDCH2). Direction of rotation: viewed on drive shaft clockwise (R). Sealing material: NBR (nitrile rubber), shaft seal ring FKM (fluorocarbon rubber) (N). Drive shaft: splined shaft ANSI B92.1a‒1976 for single pump (S). Mounting flange: SAE J744 ‒ 4-hole (D). Working port: SAE pressure and suction port at side, opposite, UNC fastening thread. Port thread, UNF with profile sealing ring based on ISO 11926 (62). Through drive: ‒ ‒ (N00).
- Number
- R902026948
- Type code
- AA11VLO250LRDCH2/10R-NSD62N00
- Group
- A11VLO 250
- Edition
- 06/2020

| Pos. | Number | Name | Qty | Add to inquiry |
|---|---|---|---|---|
| R902026349 | ROTARY GROUP Assembly parts list →L | 1 | ||
| R909441593 | CONNECTION PLATE, RL Assembly parts list →L | 1 | ||
| R902026939 | REGULATOR Assembly parts list →L | 1 | ||
| R909434665 | CONTROL Assembly parts list →L | 1 | ||
| R909433430 | CONTROL Assembly parts list →L | 1 | ||
| R902013899 | COVER Assembly parts list →L | 1 | ||
| R909445896 | HOUSING | 1 | ||
| R909439722 | IMPELLER, RIGHT-HAND ROTATION | 1 | ||
| R909432481 | SEALING DISK | 1 | ||
| R909445855 | SETSCREW | 1 | ||
| R909445855 | SETSCREW | 1 | ||
| R909152459 | SEALING NUTD | 2 | ||
| R913009671 | STRAIGHT PIN | 1 | ||
| R909153378 | SCREW PLUGD | 1 | ||
| R909830077 | RETAINING RING | 1 | ||
| R909151259 | RETAINING RING | 2 | ||
| R909445547 | PARALLEL KEY | 1 | ||
| R909152981 | SHIM RING | 1 | ||
| R909152982 | SHIM RING | 1 | ||
| R909156764 | SHIM RING | 1 | ||
| R902220058 | SHUTTLE VALVE Assembly parts list →L | 1 | ||
| 98 | R902095614 | SEAL KIT | 1 |
Parameters from the type code
| Item | Meaning | Code |
|---|---|---|
| Axial piston unit | Swashplate design, variable, nominal pressure 5100 psi (350 bar), maximum pressure 5800 psi | A11V |
| Operating mode | Pump, open circuit with charge pump | LO |
| Size (NG) | 250 | 250 |
| Control device | Power controller fixed setting, with pressure cut-off, with override cross sensing negative control, with hydraulic stroke limiter positive control Δp = 365 psi (25 bar) | LRDCH2 |
| Index | Size 40 … 130 | 0 |
| Direction of rotation | Viewed on drive shaft clockwise | R |
| Sealing material | NBR (nitrile rubber), shaft seal ring FKM (fluorocarbon rubber) | N |
| Drive shaft | Splined shaft ANSI B92.1a‒1976 for single pump | S |
| Mounting flange | SAE J744 ‒ 4-hole | D |
| Working port | SAE pressure and suction port at side, opposite, UNC fastening thread. Port thread, UNF with profile sealing ring based on ISO 11926 | 62 |
| Through drive | ‒ ‒ | N00 |