Bosch Rexroth | AZPF-12-004RQR12MB-SO022
AZPF-12-004RQR12MB SO022
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The AZPF-12-004RQR12MB SO022 is manufactured by Bosch Rexroth within the AZPF External High Performance Gear Pumps series and delivers fixed-volume flow for hydraulic automation. The unit turns clockwise, which determines motor orientation on the drive side. With a displacement of 4 cm³ per revolution, it meters oil accurately for circuits that rely on consistent flow. The drive shaft meets SAE J744 16-1 A and has a 15.875 mm diameter, while a 4 × 20 mm key prevents torsional slip. An SAE J744 82-2 (A) flange and an 82.55 mm pilot diameter center the pump against standard mounting pads. Operating speed can fall to 600 rpm when pressure is below 100 bar and can reach 4000 rpm at full rating, giving broad pairing options with electric or engine prime movers.
The pump sustains 260 bar during intermittent duty and tolerates pressure peaks up to 300 bar, covering shock loads in mobile or industrial machines. A 9/16-18 UNF-2B port, 13 mm deep, handles pressure output, and an identical 9/16-18 UNF-2B thread serves the suction side, simplifying hose selection. An M6 mounting thread, also 13 mm deep, anchors the housing directly to brackets or engine blocks without additional adapters. Overall weight is 3.3 kg, keeping structure loads modest while adding mass to reduce vibration. These pressure limits, port threads, and mounting details define how the AZPF-12-004RQR12MB SO022 integrates into compact, high-efficiency hydraulic systems.
Technical Specifications
Direction Of Rotation
Clockwise
Displacement
4 cm³/rev
Flange Standard
SAE J744 82-2 (A)
Key Size
4 x 20 mm
Max Intermittent Pressure
260 bar
Max Pressure Peaks
300 bar
Max Speed
4000 rpm
Min Speed (p<100 Bar)
600 rpm
Mounting Thread
M6 (13 mm deep)
Pilot Diameter
82.55 mm
Pressure Port Thread
9/16-18 UNF-2B (13 mm deep)
Shaft Diameter
15.875 mm
Shaft Standard
SAE J744 16-1 A
Suction Port Thread
9/16-18 UNF-2B (13 mm deep)
Weight
3.3 kg
1620 Old Apex Road
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