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The SYDFE1-2X/028R-PKC62N00-0000-A0X0XXX hydraulic unit resides in the SYD Hydraulic Control Systems series from Bosch Rexroth. It functions as a variable displacement component for automated pressure and flow regulation. A displacement of 28 cm³ defines how much fluid is moved per revolution, and a clockwise rotation requirement sets the proper drive orientation. The cylindrical 22 mm keyed shaft transfers torque to the prime mover without slippage. Speeds can range from 250 rpm to 3000 rpm, so the same pump handles slow positioning and high-throughput cycles. At maximum displacement it supplies 42 l/min at 1500 rpm and 84 l/min at nominal speed, giving predictable actuator sizing. System pressure is limited to 280 bar to match typical industrial lines and protect the housing.
The unit accepts 39 kW of mechanical input at nominal speed, offering suitable power density for medium-frame machinery. Peak torque of 125 Nm at a 280 bar differential allows loaded starts without stalling the drive motor. The shaft can withstand 1000 N axial and 1200 N radial forces, permitting belt or gear couplings without extra support bearings. A housing oil volume of 0.7 l supports internal lubrication and heat dissipation, and the design calls for mineral oil in the HL or HLP classes to safeguard seals. Rotor inertia is 0.0017 kg·m², reducing acceleration energy and easing servo profiling. Without a through-drive the assembly weighs 20.5 kg, a factor in frame mounting and maintenance handling.
Direction Of Rotation
Clockwise
Displacement
28 cm3
Drive Shaft Type
Cylindrical With Key (Ø22 mm)
Housing Filling Quantity
0.7 l
Hydraulic Fluid
Mineral Oil (HL/HLP)
Mass (without Through-drive)
20.5 kg
Max Axial Force
1000 N
Max Flow (at 1500 Rpm Vg Max)
42 l/min
Max Flow (at Nnom Vg Max)
84 l/min
Max Operating Pressure
280 bar
Max Power (at Nnom Vg Max)
39 kW
Max Radial Force
1200 N
Max Speed (at Vg Max)
3000 rpm
Max Torque (Δp 280 Bar)
125 Nm
Minimum Speed
250 rpm
Moment Of Inertia
0.0017 kgm2
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