Bosch Rexroth | AZMF-11-011UCN20ML-A204-BIROTATION
AZMF-11-011UCN20ML A204 BIROTATION
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The AZMF-11-011UCN20ML A204 BIROTATION gear motor belongs to the AZMF External Gear Motors series from Bosch Rexroth. It provides fixed-volume hydraulic power with a displacement of 11.0 cm³ per revolution for compact circuits. The unit supports reversible operation, so rotation direction is universal, and it reaches speeds from 500 min⁻¹ up to 3,500 min⁻¹ to match variable flow demands. A tapered keyed 1:5 drive shaft transmits torque to the load, while a rectangular flange size 20 forms the pressure and suction connection interface. The housing includes an M12×1.5 drain port, and a leakage line is required during reverse duty to return case flow to tank.
The motor operates with mineral oil–based fluid according to DIN/ISO guidelines and maintains correct lubrication when viscosity stays between 12 mm²/s and 800 mm²/s during steady running, with 2,000 mm²/s permitted at start-up to accommodate cold starts. NBR sealing elements prevent external leakage and withstand ambient temperatures as low as −30 °C. Internally, the fluid may reach +80 °C without degrading performance. System cleanliness is secured by filtration reaching a Beta 20 value of 75, which limits contaminant concentration and protects the gear set from abrasive wear.
Technical Specifications
Ambient Temp Min (nbr)
-30 °C
Displacement
11.0 cm3/rev
Drain Port Thread
M12x1.5
Drive Shaft Type
Tapered Keyed 1:5
Filter Beta Rating
Beta 20 = 75
Fluid Temperature Max (nbr)
+80 °C
Fluid Type
Mineral Oil-Based (DIN/ISO)
Leakage Line Required (reversible)
Yes
Max Speed
3,500 min-1
Min Speed
500 min-1
Port Connection Type
Rectangular Flange (20)
Rotation Direction
Reversible (Universal)
Seal Material
NBR
Starting Viscosity Max
2000 mm2/s
Viscosity Max (permitted)
800 mm2/s
Viscosity Min (permitted)
12 mm2/s
1620 Old Apex Road
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