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A4VG90NVDT1/32L-NAF02K731E-S (R902151190)
Axial piston variable pump A4VG. Geometric displacement 90 cm3. Without control module. Pressure cut-off. Stroking chamber pressure port X3, X4. Without DA control valve. Series 3, index 2. Direction of rotation (viewed on drive shaft): counter-clockwise. Sealing material: NBR (nitrile rubber), shaft seal in FKM (fluoroelastomer). Splined shaft DIN 5480 for combination pump – 1st pump. Mounting flange SAE J744 2+4-hole. SAE working port A and B, top and bottom Suction port S bottom. Without integrated boost pump. Flange SAE J744 152-2/4 (D) , hub for splined shaft W35 2×16×9 g. High pressure relief valve, pilot operated 100 to 420 bar with bypass. External boost pressure supply.
The above diagrams belong to Rexroth www.boschrexroth.com