Bosch Rexroth | AA10FM3752W-VRC60N000
AA10FM37/52W-VRC60N000
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The AA10FM37/52W-VRC60N000 piston motor is produced by Bosch Rexroth in the A10FM Piston Motors series. It is intended to convert hydraulic energy into rotary motion for mobile or industrial drives. The motor displaces 36.7 cm³ per revolution so flow demand can be calculated precisely when sizing pumps. Under a nominal pressure of 280 bar it delivers 71.8 kW, enabling compact installations where high power density is required. The corresponding inlet flow at rated speed is 154 l/min, supporting circuits that must sustain continuous throughput. It can reach 4200 rpm, a capability that broadens its use in high-speed hydraulic transmission systems. The unit accepts alternating rotation, allowing it to function in closed loop circuits without mechanical reversal devices. A splined high-torque shaft transmits output to couplings while minimizing slippage, and an ISO 3019-1 two-hole flange provides standardized mounting to gearboxes or frames.
Drive-train rigidity is enhanced by a shaft rotary stiffness of 46859 Nm per radian, limiting torsional deflection under load. The rotary group moment of inertia is 0.0033 kg m², so the motor responds quickly to speed commands. It tolerates angular acceleration up to 4000 rad/s², which suits dynamic travel drives that start and stop frequently. The housing withstands a maximum pressure of 350 bar, offering safety margin above nominal operating conditions. At full displacement and 280 bar the output torque reaches 163 Nm, providing stable tractive effort in propel functions. A case volume of 0.7 l supports adequate internal lubrication and heat dissipation between service intervals. FKM seals resist high-temperature hydraulic fluids and extend service life. Hydraulic lines attach via a 3/8-16 UNC-2B working port thread, simplifying integration with North American hose fittings.
Technical Specifications
Case Volume
0.7 l
Direction Of Rotation
Alternating
Drive Shaft Rotary Stiffness (r)
46859 Nm/rad
Drive Shaft Type
Splined Shaft (High Torque)
Geometric Displacement
36.7 cm3/rev
Inlet Flow At Nnom
154 l/min
Max Angular Acceleration
4000 rad/s^2
Maximum Pressure
350 bar
Maximum Rotational Speed
4200 rpm
Moment Of Inertia (rotary Group)
0.0033 kg m2
Mounting Flange Standard
ISO 3019-1 (2-Hole)
Nominal Pressure
280 bar
Power At Nnom (280 Bar)
71.8 kW
Sealing Material
FKM
Torque At Vg Max (280 Bar)
163 Nm
Working Port Fastening Thread
3/8-16 UNC-2B
1620 Old Apex Road
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