Bosch Rexroth | AZPG-22-063RQC12MB-SO039
AZPG-22-063RQC12MB SO039
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The AZPG-22-063RQC12MB SO039 gear pump is produced by Bosch Rexroth within the High Performance AZPG Gear Pumps series and is intended for hydraulic automation circuits where fixed-displacement flow is required. Its geometric displacement of 63 cm³ per revolution defines the volume delivered each shaft turn, allowing designers to calculate flow rate directly from speed. The unit tolerates a continuous working pressure of 170 bar, an intermittent ceiling of 200 bar, and short peaks up to 230 bar, so it can support cylinders or motors that cycle between steady load and short duty spikes. A maximum rotational speed of 2300 rpm lets the pump run with high-speed prime movers, while a minimum speed of 500 rpm at pressures below 100 bar keeps internal lubrication intact during low-flow conditions. Power is transmitted through a 25.4 mm shaft that conforms to the SAE J744 22-1 profile, ensuring alignment with standard couplings in mobile or industrial drive trains.
The pump mounts through a flange pilot diameter of 101.6 mm that centers the housing accurately on hydraulic power unit plates. That flange follows the SAE J744 101-2 (B) pattern, so replacement or upgrade does not require custom adapters. Bolt holes are spaced 120 mm apart to secure the body against vibration in continuous duty. Torque from the drive is locked by a 6.35 mm key seated in the shaft keyway, preventing relative motion between shaft and coupling. Pressure fluid exits through a 1 5/8-12 UN-2B threaded port, and suction fluid enters via a 1 7/8-12 UN-2B thread; both sizes align with common SAE straight-thread fittings for leak-free O-ring sealing. A minimum thread engagement of 19 mm is specified to maintain joint strength under full operating pressure and avoid stripping during maintenance.
Technical Specifications
Flange Pilot Diameter
101.6 mm
Flange Standard
SAE J744 101-2 (B)
Geometric Displacement
63 cm3/rev
Key Width
6.35 mm
Max Continuous Pressure
170 bar
Max Intermittent Pressure
200 bar
Max Pressure Peak
230 bar
Max Rotational Speed (p2)
2300 rpm
Min Rotational Speed (p<100 Bar, Nu=12)
500 rpm
Mounting Hole Spacing
120 mm
Port Thread Engagement (min)
19 mm
Pressure Port Thread
1 5/8-12 UN-2B
Shaft Diameter
25.4 mm
Shaft Standard
SAE J744 22-1
Suction Port Thread
1 7/8-12 UN-2B
1620 Old Apex Road
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