Unit · AXIAL-PISTON PUMP
A A4F O 250 /30R-PZB25UB2R902514305
Axial piston pump Bosch Rexroth series A4FO, type code AA4FO250/30R-PZB25UB2, material number R902514305. Nominal size: NG 250. Axial piston unit: swashplate design, fixed displacement (A4F). Operating mode: pump, open circuit (O). Direction of rotation: viewed on drive shaft (R). Sealing material: NBR (nitrile rubber), shaft seal in FKM (fluoroelastomer) (P). Drive shaft: splined shaft DIN 5480 (Z). Mounting flange: ISO 3019, 4-hole (B). Working port: SAE pressure and suction port, at side, offset by 90° 2nd pressure port B1 opposite B (plugged with flange plate on delivery) (25).
- Number
- R902514305
- Type code
- A A4F O 250 /30R-PZB25UB2
- Group
- A4FO 250
- Edition
- 07/2020

| Pos. | Number | Name | Qty | Add to inquiry |
|---|---|---|---|---|
| R902407893 | ROTARY GROUP Assembly parts list →L | 1 | ||
| R910992888 | PUMP HOUSING | 1 | ||
| R902465910 | CONNECTION PLATE | 1 | ||
| R910983698 | BLANK FLANGE | 1 | ||
| R902446993 | ATTACHMENT KIT | 1 | ||
| R902572930 | SOCKET HEAD CAP SCREW | 4 | ||
| R909153862 | SCREW PLUGD | 1 | ||
| R909151979 | SCREW PLUGD | 3 | ||
| R910513776 | O-RINGD | 1 | ||
| R910979785 | THROTTLE SCREW | 1 | ||
| R910979852 | REFERENCE PLATE | 1 | ||
| 27 | R902651071 | O-RING | 1 | |
| 61 | R902805709 | SHIPPING PROTECTION | 1 | |
| 62 | R902602206 | SEAL SCREW | 1 | |
| 63 | R902564145 | SHIPPING PROTECTION | 1 | |
| 71 | R902418324 | FLANGE COVER Assembly parts list →L | 1 |
Parameters from the type code
| Item | Meaning | Code |
|---|---|---|
| Axial piston unit | Swashplate design, fixed displacement | A4F |
| Operating mode | Pump, open circuit | O |
| Size (NG) | 250 | 250 |
| Series | Series 3, index 0 | 30 |
| Direction of rotation | Viewed on drive shaft | R |
| Sealing material | NBR (nitrile rubber), shaft seal in FKM (fluoroelastomer) | P |
| Drive shaft | Splined shaft DIN 5480 | Z |
| Mounting flange | ISO 3019, 4-hole | B |
| Working port | SAE pressure and suction port, at side, offset by 90° 2nd pressure port B1 opposite B (plugged with flange plate on delivery) | 25 |