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AA4VG90HWD1/32R-NSF52F021S (R909608190)
Axial piston variable pump A4VG. Geometric displacement 90 cm3. Series 3, index 2. Direction of rotation (viewed on drive shaft): clockwise. Sealing material: NBR (nitrile rubber), shaft seal in FKM (fluoroelastomer). Splined shaft ANSI B92.1a for single pump. Mounting flange SAE J744 2+4-hole. Integrated boost pump. Flange SAE J744 101-2 (B), hub for splined shaft 7/8 in 13T 16/32DP. High pressure relief valve, pilot operated 100 to 420 bar with bypass. Filtration in the boost pump suction line.
The above diagrams belong to Rexroth www.boschrexroth.com