Unit · AXIAL-PISTON PUMP

A4VG125NVD1/31L-NAF02F021D-SR909600332

Axial piston pump Bosch Rexroth series A4VG, type code A4VG125NVD1/31L-NAF02F021D-S, material number R909600332. Nominal size: NG 125. Axial piston unit: swashplate design, variable, nominal pressure 400 bar, maximum pressure 450 bar (A4V). Operating mode: pump, closed circuit (G). 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+4-hole (F). 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, pilot operated 100 … 420 bar with bypass (1). Filtration boost circuit/external boost pressure supply: filtration in the boost pump pressure line Ports for external boost circuit filtration (Fe and Fa) (D). Standard/special version: special version (-S).

Number
R909600332
Type code
A4VG125NVD1/31L-NAF02F021D-S
Group
A4VG 125
Edition
03/2020

This parts list has no drawing.

Pos.NumberNameQtyAdd to inquiry
1R909437733ROTARY GROUP Assembly parts list →L1
2R909438692CONTROL Assembly parts list →L1
3R909438648CONNECTION PLATE Assembly parts list →L1
4R902006234INTERNAL GEAR PUMP Assembly parts list →L1
8R909429211COVER Assembly parts list →L1
10R909436787HOUSING1
12R909432369HOUSING COVER1
13R909435017PIVOT PIN1
14R909405732POITIONING PIN1
15R902118633PIVOT PIN1
20R909153861SCREW PLUGD5
21R909153815SCREW PLUGD1
22R909153816SCREW PLUGD3
24R909083229SCREW PLUG1
25R909085545O-RINGD1
26R909153572SCREW PLUG1
27R909831320DOUBLE BREAK-OFF PLUG1
28R909426700NOZZLE2
29R909830207O-RINGD1
30R909157348QUAD RINGD1
31R913016374SLOTTED SPRING PIN2
32R909151692SCREW PLUGD3
34R909083034SOCKET HEAD CAP SCREW8
35R909153364SCREW PLUGD1
37R909156570SCREW PLUG1
42R902600595POLLUTION SWITCH1
46R909154982SETSCREW1
47R909087405SEALING NUTD1
48R909151694SCREW PLUGD1
49R909426707NOZZLE1
83R902032081THERMOSWITCH Assembly parts list →L1

Parameters from the type code

ItemMeaningCode
Axial piston unitSwashplate design, variable, nominal pressure 400 bar, maximum pressure 450 barA4V
Operating modePump, closed circuitG
Size (NG)125125
Pressure cut-offPressure cut-offD
DA control valveWithout DA control valve1
Direction of rotationViewed on drive shaft counter-clockwiseL
Sealing materialNBR (nitrile rubber), shaft seal made of FKM (fluorocarbon rubber)N
Drive shaftSplined shaft DIN 5480 for combination pump – 1st pumpA
Mounting flangeSAE J744 2+4-holeF
Working port (port plate)SAE working port A and B, top and bottom suction port S bottom02
Boost pumpIntegrated boost pump with and without through driveF
Through driveFlange SAE J744 Hub for splined shaft, 101-2 (B) 7/8 in 13T 16/32DP02
High-pressure relief valve Setting range ∆pHDHigh-pressure relief valve, pilot operated 100 … 420 bar with bypass1
Filtration boost circuit/external boost pressure supplyFiltration in the boost pump pressure line Ports for external boost circuit filtration (Fe and Fa)D
Standard/special versionSpecial version-S