Bosch Rexroth | AA10VO60DFR152L-VSD62K04
AA10VO60DFR1/52L-VSD62K04
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The AA10VO60DFR1/52L-VSD62K04 belongs to the A10VSO Variable Pumps series from Bosch Rexroth and is intended for hydraulic automation where adjustable flow is required. It operates in an open circuit, letting fluid return directly to the tank after work is performed. A nominal pressure rating of 4000 psi (280 bar) supports demanding cylinders, while a 5100 psi (350 bar) peak capacity absorbs short-term overloads. Absolute inlet pressure can reach 435 psi (30 bar), maintaining positive suction conditions at high speeds. The pump turns counterclockwise, so drive trains must match this rotation. Oil moves from port S to port B, making hose routing predictable. A DFR1 differential pressure of 200 psi (14 bar) governs the swashplate to stabilize outlet pressure under load changes. Power is introduced through a parallel keyed drive shaft, providing a simple, slip-free mechanical connection to the prime mover.
The case drain should stay ≤0.5 bar above inlet pressure, and overall case pressure must not exceed 29 psi (2 bar) absolute; both limits protect bearings and seals from excessive load. FKM seal material endures hot oil and high pressure without rapid aging. Service ports sit on the side using port plate 62, allowing the housing to mount close to machine frames while keeping fittings accessible. A through-drive flange conforming to SAE J744 101-2 size B lets an auxiliary pump be piggy-backed, and the through-drive hub contains a 1-inch 15-tooth 16/32 DP spline that mates with standard companion shafts. The X-port is threaded 7/16-20 UNF-2B, giving installers a ready point for a pressure sensor or pilot line.
Technical Specifications
Case Drain Over Inlet
≤0.5 bar above inlet pressure
Case Drain Pressure Max (abs)
29 psi (2 bar)
Dfr1 Differential Pressure
200 psi (14 bar)
Direction Of Flow
S To B
Direction Of Rotation
Counterclockwise
Drive Shaft Type
Parallel Keyed (K)
Inlet Pressure Max (abs)
435 psi (30 bar)
Mode Of Operation
Open Circuit
Nominal Pressure
4000 psi (280 bar)
Peak Pressure
5100 psi (350 bar)
Seal Material
FKM
Service Ports Location
Side (Port Plate 62)
Through-drive Flange
SAE J744 101-2 (B)
Through-drive Hub Spline
1 in 15T 16/32 DP
X-port Thread
7/16-20 UNF-2B
1620 Old Apex Road
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