Bosch Rexroth | SYHDFEE-1X250R-VZB25U99-1790-A0A1V
SYHDFEE-1X/250R-VZB25U99-1790-A0A1V
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The SYHDFEE-1X/250R-VZB25U99-1790-A0A1V is produced by Bosch Rexroth within the SYD Hydraulic Control Systems series; it functions as a controlled source of pressure and flow for automated hydraulic machinery. A displacement of 250 cm³ defines the volume moved each revolution, while a maximum flow of 475 l/min supports large actuators in real time. The assembly endures operating pressures up to 350 bar and sustains shaft speeds to 1900 rpm for dynamic duty cycles. Under a 350 bar differential it develops 1391 Nm of torque, making heavy-load positioning feasible. Electrical sections accept supply starting at 22.8 V DC with a 24 V DC nominal value, integrating easily with common control buses. Rated current consumption remains at 0.6 A, allowing compact power supplies without excess heat.
System cleanliness must meet ISO 4406 class 18/16/13 to protect internal surfaces. The housing contains 10 l of oil, stabilizing temperature and ensuring continuous lubrication. Bearing design accommodates axial forces to 1800 N and radial forces to 2000 N so direct coupling does not exceed load limits. The suction port handles inlet conditions from 0.8 bar absolute to 30.0 bar, covering flooded reservoirs and pressurized feeds. Mechanical output peaks at 277 kW when the pressure reaches 350 bar, matching high-power industrial platforms. A moment of inertia of 0.0959 kg·m² aids speed regulation by limiting acceleration spikes.
Technical Specifications
Cleanliness Class Iso 4406 (c)
18/16/13
Current Consumption (rated)
0.6 A
Displacement
250 cm3
Filling Quantity Of Housing
10 l
Maximum Axial Force
1800 N
Maximum Flow (nnom & Vg Max)
475 l/min
Maximum Inlet Pressure (suction Port)
30.0 bar
Maximum Operating Pressure
350 bar
Maximum Power (Δp 350 Bar)
277 kW
Maximum Radial Force
2000 N
Maximum Speed (vg Max)
1900 rpm
Maximum Torque (Δp 350 Bar)
1391 Nm
Minimum Inlet Pressure (absolute)
0.8 bar
Moment Of Inertia
0.0959 kgm2
Supply Voltage (min)
22.8 VDC
Supply Voltage (nominal)
24 VDC
1620 Old Apex Road
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