Bosch Rexroth | AZPFF-12-011011RRR1212MB-SO516
AZPFF-12-011/011RRR1212MB SO516
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The AZPFF-12-011/011RRR1212MB SO516 pump is produced by Bosch Rexroth for the AZPF External High Performance Gear Pumps series and serves to move hydraulic fluid in automated machinery. The first pumping section displaces 11.0 cm³ per revolution, and the second section matches this 11.0 cm³ figure, values that establish how much oil is delivered on each shaft turn. Rotation is clockwise, a direction that fixes the inlet and outlet orientation when the unit is installed. Section I tolerates a maximum operating pressure of 280 bar, and section II is rated for the same 280 bar limit, figures that define the highest load the gear set and housing can endure. The pump may run at speeds up to 3500 rpm, a ceiling that marks the fastest permissible shaft velocity. A minimum operating viscosity of 12 mm²/s is given, indicating the thinnest oil that still supports lubrication. Torque is transmitted through a SAE J744 16-4 nine-tooth spline, and a usable spline length of 21.8 mm specifies how far the coupling must engage the shaft.
A SAE J744 82.55 mm mounting flange is provided, a dimension that sets the bolt circle and pilot diameter for securing the housing to a motor or bracket. The pressure port uses an 11/16-12 SAE thread, and the suction port uses a 7/8-14 SAE thread, thread sizes that guide the selection of compatible fittings and keep flow paths distinct. Sealing material is NBR, an elastomer choice that forms the O-rings and shaft seals and defines the chemical and thermal limits of the sealing system. The allowable fluid temperature spans from −30 °C to +80 °C, boundaries that protect the NBR seals and maintain correct running clearances. The rear cover is supplied without a valve, a construction detail that leaves pressure control to external components while keeping the pump body compact.
Technical Specifications
Direction Of Rotation
Clockwise (R)
Displacement (section I)
11.0 cm³/rev
Displacement (section Ii)
11.0 cm³/rev
Drive Shaft Spline
SAE J744 16-4 9T
Max Fluid Temperature (nbr)
+80 °C
Max Operating Pressure (section I)
280 bar
Max Operating Pressure (section Ii)
280 bar
Max Speed
3500 rpm
Min Fluid Temperature (nbr)
-30 °C
Min Operating Viscosity
12 mm²/s
Min Usable Spline Length
21.8 mm
Mounting Flange
SAE J744 82.55 mm (A)
Pressure Port Thread
11/16-12 (SAE)
Rear Cover
Without Valve (B)
Sealing Material
NBR (M)
Suction Port Thread
7/8-14 (SAE)
1620 Old Apex Road
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