Bosch Rexroth | AZ-M-F-12-008-UQR12ML-SO030
AZ-M-F-12-008-UQR12ML SO030
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The AZ-M-F-12-008-UQR12ML SO030 is part of the AZMF External Gear Motors series from Bosch Rexroth and converts hydraulic flow into rotary motion for automated machinery. It supports universal rotation, so the shaft can run clockwise or counter-clockwise without reconfiguration. A displacement of 8 cm³ per revolution sets a defined volumetric output for compact circuits. The motor is intended for mineral oil-based hydraulic fluids that comply with DIN/ISO, and it remains within design limits when the oil viscosity stays between the permitted 12 and 800 mm²/s. Best efficiency occurs in the recommended band of 20 to 100 mm²/s, which keeps internal leakage low. NBR seals withstand fluid temperatures up to +80 °C, maintaining elastomer integrity during continuous duty.
The hydraulic supply must meet ISO 4406 cleanliness code 19/16, and filters rated to a beta 20 ratio of 75 are required to sustain that particle level. A minimum operating speed of 500 min-¹ prevents boundary lubrication at low flow rates. Cold-start conditions are managed because the design accepts starting viscosities from 12 to 2000 mm²/s. Excess case oil exits through an axial drain port tapped to an M12 × 1.5 thread, simplifying hose selection while keeping housing pressure low. These fluid, speed, and filtration conditions allow the AZ-M-F-12-008-UQR12ML SO030 to deliver consistent torque in continuous industrial service.
Technical Specifications
Cleanliness Class (min)
ISO 4406 19/16
Direction Of Rotation
Universal
Displacement
8 cm3/rev
Drain Port Location
Axial
Drain Port Thread
M12x1.5
Filter Beta Ratio
β20 = 75
Fluid Temperature (max)
+80 °C (NBR)
Fluid Type
Mineral Oil-Based Hydraulic Fluids (DIN/ISO)
Minimum Speed
500 min-1
Seal Material
NBR
Viscosity For Starting
12 to 2000 mm2/s
Viscosity Range (permitted)
12 to 800 mm2/s
Viscosity Range (recommended)
20 to 100 mm2/s
1620 Old Apex Road
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