Bosch Rexroth | AZPF-11-008RRR20KB-SO081
AZPF-11-008RRR20KB SO081
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The AZPF-11-008RRR20KB SO081 gear pump belongs to the AZPF External High Performance Gear Pumps series and is manufactured by Bosch Rexroth for hydraulic automation tasks that require steady flow generation. With a displacement of 8 cm³ per revolution, it delivers a defined volume of fluid to cylinders and motors each time the drive shaft turns. The housing accepts intermittent system pressures up to 280 bar, allowing the pump to serve medium-pressure circuits without overload. A maximum speed of 4000 rpm lets it couple directly to fast prime movers while staying within design limits. The unit weighs 3.3 kg, so it can be supported by light machine frames. An SAE-A 2-bolt mounting flange simplifies attachment to standard power modules, and an 82.55 mm flange pilot keeps the body concentric with the drive, reducing vibration and wear.
The allowable ambient range extends from ‑20 °C to 110 °C when fitted with FKM elastomers, ensuring seal performance during cold starts and in high-heat engine bays. An FKM shaft seal retains hydraulic fluid under pressure and resists chemical attack. Torque is transmitted through a SAE J744 16-4 9T spline that features nine teeth; this interface follows ANSI B92.1 and has a 15.456 mm minor diameter, matching common hydraulic drive shafts for direct coupling. Two 11 mm mounting holes and auxiliary M6 threads cut to a depth of 13 mm give installers options for through-bolts or stud mounting. These mechanical details, combined with the thermal and pressure ratings outlined earlier, allow the pump to integrate quickly and operate reliably across a wide range of mobile and industrial hydraulic equipment.
Technical Specifications
Displacement
8 cm³/rev
Flange Pilot Diameter
82.55 mm
Max Ambient Temp (fkm)
110 °C
Max Pressure (intermittent)
280 bar
Max Speed
4000 rpm
Min Ambient Temp (fkm)
-20 °C
Mounting Flange
SAE-A 2-Bolt
Mounting Hole Diameter
11 mm
Mounting Thread
M6
Mounting Thread Depth
13 mm
Shaft Seal
FKM
Shaft Spline
SAE J744 16-4 9T
Spline Minor Diameter
15.456 mm
Spline Standard
ANSI B92.1
Spline Teeth
9
Weight
3.3 kg
1620 Old Apex Road
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