Bosch Rexroth | AZ-M-F-12-008-UQR12ML-S0022
AZ-M-F-12-008-UQR12ML-S0022
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The AZ-M-F-12-008-UQR12ML-S0022 external gear motor belongs to the AZMF External Gear Motors series from Bosch Rexroth. It converts hydraulic energy into mechanical rotation for mobile and industrial automation systems that need compact flow-to-torque conversion. A universal direction of rotation allows the motor to operate in both clockwise and counter-clockwise circuits without redesigning plumbing. The fixed displacement of 8 cm³ per revolution provides consistent output volume for repeatable speed control. Continuous operation is permitted between 500 and 4000 revolutions per minute, covering low-speed start-up to high-speed duty cycles. An axial drain oil connection routes leakage directly back to tank, the M12×1.5 drain port thread simplifies hose selection, and NBR seals maintain fluid containment under typical operating pressure.
This motor is intended for mineral oil-based fluids, ensuring compatibility with standard hydraulic reservoirs. System cleanliness must reach ISO 4406 code 19/16 or better so internal surfaces remain free of abrasive wear. Leakage oil lines can be subjected to pressures up to 3 bar without compromising case integrity. Ambient temperatures can range from −30 °C to +80 °C, enabling reliable starts in cold environments and sustained service in hot engine bays. The same +80 °C limit applies to fluid temperature, protecting elastomers and bearings from thermal degradation. By meeting these environmental and cleanliness limits, the AZ-M-F-12-008-UQR12ML-S0022 maintains service life and stable torque delivery in demanding hydraulic automation.
Technical Specifications
Direction Of Rotation
Universal
Displacement
8 cm3/rev
Drain Oil Connection
Axial
Drain Port Thread
M12x1.5
Filter Class (minimum)
ISO 4406 19/16
Fluid Type
Mineral Oil-Based
Max Ambient Temperature (nbr)
+80 °C
Max Fluid Temperature (nbr)
+80 °C
Max Leakage Oil Line Pressure
3 bar
Max Rotational Speed
4000 min-1
Min Ambient Temperature (nbr)
-30 °C
Min Rotational Speed
500 min-1
Seal Material
NBR
1620 Old Apex Road
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