Bosch Rexroth | AZPFB-12-0051-0RCB202KB
AZPFB-12-005/1 0RCB202KB
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The AZPFB-12-005/1 0RCB202KB pump belongs to the AZPF External High Performance Gear Pumps series from Bosch Rexroth. It supplies hydraulic automation circuits with fixed displacement flow for consistent actuator motion. The pump is configured for clockwise rotation, so it aligns with power units that drive right-hand oriented shafts. A geometric displacement of 5 cm³ per revolution defines the volume delivered each cycle, stabilizing flow where compact actuators are used. Continuous operation is permitted at 250 bar, which supports medium-pressure mobile or industrial loops without overstressing the gear set. The unit can run up to 4000 rpm at rated outlet conditions, allowing high flow from small packaging. Minimum speed under pressures below 100 bar is 500 rpm, maintaining lubrication during low-load idling. A rectangular 80 mm mounting flange positions the body accurately on standard pump pads, while M6 mounting threads 13 mm deep secure the housing against vibration.
For short duty periods the pump tolerates 280 bar, giving extra margin during transient load spikes, and it withstands momentary peaks of 300 bar to protect against abrupt pressure shocks. When viscosity is 25 mm²/s at rated pressure, the lowest admissible speed is 700 rpm, preventing slip and ensuring volumetric efficiency in cooler oil. A shaft end diameter of 17 mm fits common drive couplings, and the 5°42′38″ taper eases hub installation with reliable torque transfer. The shaft seal is made of FKM, so the unit resists elevated oil temperatures and many synthetic fluids. Overall weight is 3.2 kg, keeping the assembly light enough for manifold-mounted power packs and simplified maintenance handling.
Technical Specifications
Direction Of Rotation
Clockwise (R)
Geometric Displacement
5 cm³/rev
Max Continuous Pressure
250 bar
Max Pressure (intermittent)
280 bar
Max Pressure Peaks
300 bar
Max Speed At P2
4000 rpm
Min Speed (p<100 Bar)
500 rpm
Min Speed (ν=25 Mm²/s At P2)
700 rpm
Mounting Flange
Rectangular ⌀80 mm
Mounting Threads
M6; 13 mm deep
Shaft End Diameter
17 mm
Shaft Seal Material
FKM (KB)
Shaft Taper Angle
5°42′38″
Weight
3.2 kg
1620 Old Apex Road
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