Unit · AXIAL-PISTON PUMP

A4VG125DGD1/31R-NZF02F001M-SR909448354

Axial piston pump Bosch Rexroth series A4VG, type code A4VG125DGD1/31R-NZF02F001M-S, material number R909448354. 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). Control device: hydraulic control, direct operated (DG). Pressure cut-off: pressure cut-off (D). DA control valve: without DA control valve (1). Direction of rotation: viewed on drive shaft clockwise (R). Sealing material: NBR (nitrile rubber), shaft seal made of FKM (fluorocarbon rubber) (N). Drive shaft: splined shaft for single pump DIN 5480 (Z). 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: without through drive, only for version N and F (00). High-pressure relief valve Setting range ∆pHD: high-pressure relief valve, pilot operated 100 … 420 bar with bypass (1). Standard/special version: special version (-S).

Number
R909448354
Type code
A4VG125DGD1/31R-NZF02F001M-S
Group
A4VG 125
Edition
02/2020

This parts list has no drawing.

Pos.NumberNameQtyAdd to inquiry
1R909437845ROTARY GROUP Assembly parts list →L1
2R909607647CONTROL Assembly parts list →L1
3R909438648CONNECTION PLATE Assembly parts list →L1
4R902010642INTERNAL GEAR PUMP Assembly parts list →L1
6R902033761FILTER Assembly parts list →L1
8R909429211COVER Assembly parts list →L1
10R909436787HOUSING1
12R909444809HOUSING COVER1
13R909435017PIVOT PIN1
15R902118633PIVOT PIN1
20R909153861SCREW PLUGD2
21R909153815SCREW PLUGD1
22R909153816SCREW PLUGD1
24R909083229SCREW PLUG1
25R909085545O-RINGD1
26R909153572SCREW PLUG1
27R909831320DOUBLE BREAK-OFF PLUG1
28R909426700NOZZLE2
29R909830207O-RINGD1
30R909157348QUAD RINGD1
31R913016374SLOTTED SPRING PIN2
32R909151692SCREW PLUGD4
34R909083034SOCKET HEAD CAP SCREW8
35R909153364SCREW PLUGD1
37R909156570SCREW PLUG1
46R902035616ECCENTRIC SCREW1
47R909087405SEALING NUTD1
48R909151694SCREW PLUGD1
49R909426707NOZZLE1

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
Control deviceHydraulic control, direct operatedDG
Pressure cut-offPressure cut-offD
DA control valveWithout DA control valve1
Direction of rotationViewed on drive shaft clockwiseR
Sealing materialNBR (nitrile rubber), shaft seal made of FKM (fluorocarbon rubber)N
Drive shaftSplined shaft for single pump DIN 5480Z
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 driveWithout through drive, only for version N and F00
High-pressure relief valve Setting range ∆pHDHigh-pressure relief valve, pilot operated 100 … 420 bar with bypass1
Standard/special versionSpecial version-S