Bosch Rexroth | AZPF-12-019RQR12MB-SO040
AZPF-12-019RQR12MB SO040
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The AZPF-12-019RQR12MB SO040 pump is produced by Bosch Rexroth as part of the AZPF External High Performance Gear Pumps series. It is intended for hydraulic automation circuits where reliable fluid transfer at set volumes is required. The unit employs an external gear design, a pump type that provides consistent flow with simple construction. Its displacement mechanism is fixed, so the delivered volume per revolution remains constant. A geometric displacement of 19 cm³ per revolution defines how much hydraulic fluid is moved each turn of the drive shaft. Clockwise rotation direction matches common engine drives in mobile equipment. The pump can be mounted in any orientation because there are no restrictions on installation position. A mass of 3.9 kg allows straightforward handling during assembly.
The pump handles intermittent pressures up to 170 bar, which supports medium-pressure work circuits. Maximum shaft torque reached is 55 Nm, limiting the mechanical load that can be transmitted from the prime mover. Connection to the power source uses an SAE J744 82-2 (A) two-bolt flange, providing standardized mounting compatibility. The flange pilot diameter measures 82.55 mm, centering the housing on the drive interface. Power is delivered through a shaft diameter of 15.875 mm, sized for common couplings. A 4 × 20 mm key conforming to DIN 6885 secures the shaft to prevent slippage under load.
Technical Specifications
Displacement Type
Fixed Displacement
Flange Pilot Diameter
82.55 mm
Geometric Displacement
19 cm³/rev
Installation Position
No Restrictions
Max Intermittent Pressure
170 bar
Max Shaft Torque
55 Nm
Mounting Flange
SAE J744 82-2 (A) 2-Bolt
Pump Type
External Gear
Rotation Direction
Clockwise
Shaft Diameter
15.875 mm
Shaft Key Size
4 × 20 mm (DIN 6885)
Weight
3.9 kg
1620 Old Apex Road
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