Unit · BASE UNIT
GA4VSO355K/30R-VPB25UB4R902561553
Base unit Bosch Rexroth series A4VSO, type code GA4VSO355K/30R-VPB25UB4, material number R902561553. Nominal size: NG 355. Axial piston unit: swashplate design, variable, nominal pressure 5100 psi (350 bar), maximum pressure 5800 psi (400 bar) Metric (A4VS). Operating mode: pump, open circuit (O). Directions of rotation: viewed on drive shaft clockwise (R). Sealing material: FKM (fluorocarbon rubber) / HFD operation (V). Drive shaft: parallel keyed shaft DIN 6885 (P). Through-drive: 100, 2-hole 1 in 15T 16/32DP (B4).
- Number
- R902561553
- Type code
- GA4VSO355K/30R-VPB25UB4
- Group
- A4VSO 355
- Edition
- 07/2020

| Pos. | Number | Name | Qty | Add to inquiry |
|---|---|---|---|---|
| R910996147 | ROTARY GROUP Assembly parts list →L | 1 | ||
| R910993566 | PUMP HOUSING | 1 | ||
| R902453534 | CONNECTION PLATE | 1 | ||
| R910970633 | INDICATING DEVICE Assembly parts list →L | 1 | ||
| R910963097 | STUD BOLT Assembly parts list →L | 1 | ||
| R902447003 | ATTACHMENT KIT | 1 | ||
| R910999367 | BLANK FLANGE | 1 | ||
| R902572931 | SOCKET HEAD CAP SCREW | 8 | ||
| R910942229 | SCREW PLUG | 3 | ||
| R909156651 | SCREW PLUG | 1 | ||
| R909153930 | SCREW PLUG | 2 | ||
| R910940898 | O-RING | 1 | ||
| R913028081 | AXIAL SEAL | 1 | ||
| R913011609 | SCREW PLUG | 1 | ||
| R909831318 | DOUBLE BREAK-OFF PLUG | 2 | ||
| R909831320 | DOUBLE BREAK-OFF PLUG | 1 | ||
| R910993564 | THROTTLE SCREW | 1 | ||
| R910834491 | THROTTLE SCREW | 1 | ||
| R910979852 | REFERENCE PLATE | 1 | ||
| R902650856 | O-RING | 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 (400 bar) Metric | A4VS |
| Operating mode | Pump, open circuit | O |
| Size (NG) | 355 | 355 |
| Series | Series 3, index 0 | 30 |
| Directions of rotation | Viewed on drive shaft clockwise | R |
| Sealing material | FKM (fluorocarbon rubber) / HFD operation | V |
| Drive shaft | Parallel keyed shaft DIN 6885 | P |
| Through-drive | 100, 2-hole 1 in 15T 16/32DP | B4 |