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
A  A4F O 250       /30R-PZB25UB2 — Drawing
Pos.NumberNameQtyAdd to inquiry
R902407893ROTARY GROUP Assembly parts list →L1
R910992888PUMP HOUSING1
R902465910CONNECTION PLATE1
R910983698BLANK FLANGE1
R902446993ATTACHMENT KIT1
R902572930SOCKET HEAD CAP SCREW4
R909153862SCREW PLUGD1
R909151979SCREW PLUGD3
R910513776O-RINGD1
R910979785THROTTLE SCREW1
R910979852REFERENCE PLATE1
27R902651071O-RING1
61R902805709SHIPPING PROTECTION1
62R902602206SEAL SCREW1
63R902564145SHIPPING PROTECTION1
71R902418324FLANGE COVER Assembly parts list →L1

Parameters from the type code

ItemMeaningCode
Axial piston unitSwashplate design, fixed displacementA4F
Operating modePump, open circuitO
Size (NG)250250
SeriesSeries 3, index 030
Direction of rotationViewed on drive shaftR
Sealing materialNBR (nitrile rubber), shaft seal in FKM (fluoroelastomer)P
Drive shaftSplined shaft DIN 5480Z
Mounting flangeISO 3019, 4-holeB
Working portSAE pressure and suction port, at side, offset by 90° 2nd pressure port B1 opposite B (plugged with flange plate on delivery)25