Bosch Rexroth | AZPG-22-056RQC12MB-SO039
AZPG-22-056RQC12MB SO039
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The AZPG-22-056RQC12MB SO039 pump belongs to the High Performance AZPG Gear Pumps series from Bosch Rexroth and provides fixed-displacement flow for hydraulic automation. It moves 56 cm³ of fluid per revolution with clockwise rotation produced by a 12-tooth gear set. The housing mounts to machinery with an SAE J744 101-2, two-hole front flange that has a 101.6 mm diameter, and the drive couples by a 6.35 × 25.4 mm shaft key. Fluid ports use SAE UN-2B Boss O-ring threads, while the end cover is supplied without a valve to suit external circuit control. NBR sealing material is fitted at all static interfaces to resist common hydraulic oils.
The design supports continuous and intermittent working pressures up to 195 bar and tolerates peaks of 250 bar during brief load changes. A maximum rotational speed of 2300 rpm at rated outlet conditions allows flexible sizing in mobile or industrial power units. Output torque can reach 180 Nm at the shaft, matching the pressure capability without overstressing the gear set. Dynamic fluid retention is handled by a 42 × 26 × 7 mm shaft seal that maintains system integrity at the stated speed and pressure limits. Together these limits define operating windows for dependable pump service in closed or open hydraulic circuits.
Technical Specifications
Direction Of Rotation
Clockwise
Displacement (cm³/rev)
56
End Cover
Without Valve (B)
Front Flange
SAE J744 101-2 (B), 2-Hole
Gear Teeth
12
Line Connection
SAE UN-2B (BOSS O-Ring)
Max Continuous Pressure
195 bar
Max Intermittent Pressure
195 bar
Max Pressure Peak
250 bar
Max Rotational Speed (at P2)
2300 rpm
Max Shaft Torque (q)
180 Nm
Mounting Flange Diameter
101.6 mm
Sealing Material
NBR
Shaft Key Size
6.35 × ø25.4 mm
Shaft Seal Size
42 × 26 × 7 mm
1620 Old Apex Road
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