Bosch Rexroth | SRMCR5D680L50Z32A0M1L01
SRMCR5D680L50Z32A0M1L01
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The SRMCR5D680L50Z32A0M1L01 radial piston motor belongs to the MCR Radial Piston Motors series from Bosch Rexroth and serves as a hydraulic actuator for automated machinery. With a displacement of 680 cm³ per revolution, it converts pressurized fluid into rotational motion suited for high-torque drives. A specific torque of 11 Nm per bar quantifies the torque generated for each unit of system pressure, while a peak output of 3000 Nm equips the motor for heavy load cycles. The allowable differential pressure reaches 400 bar, and the A/B work ports can tolerate 420 bar, enabling operation in high-pressure circuits. Maximum rotational speed is limited to 265 rpm in single-speed configuration, yet smooth running is maintained down to 0.5 rpm, permitting precise low-speed positioning.
A 50 mm drive shaft transmits power to connected gearboxes or drums, and the front case square flange mounting simplifies rigid installation on equipment frames. Hydraulic connections are arranged with 1 1/16-12 UNF threads on the inlet and outlet ports for main flow, while a 3/4-16 UNF thread on the case drain port channels leakage oil back to tank. The drain line must not exceed 10 bar, protecting shaft seals from overload. The motor is intended for HLP or HLVP hydraulic fluids defined in DIN 51524, and system cleanliness should meet ISO 4406 class 20/18/15 to limit wear in the piston assembly. NBR sealing elements provide compatibility with the specified oils and withstand the stated pressure and temperature conditions.
Technical Specifications
Case Drain Port Thread
3/4-16 UNF
Displacement
680 cm3/rev
Drive Shaft Diameter
50 mm
Fluid Cleanliness
ISO 4406 20/18/15
Hydraulic Fluid
HLP/HLVP (DIN 51524)
Inlet/outlet Port Thread
1 1/16-12 UNF
Max Case Drain Pressure
10 bar
Max Differential Pressure
400 bar
Max Pressure At A/b Port
420 bar
Max Speed (single Speed)
265 rpm
Maximum Torque
3000 Nm
Minimum Speed (smooth Running)
0.5 rpm
Mounting Type
Front Case Square Flange
Seal Material
NBR
Specific Torque
11 Nm/bar
1620 Old Apex Road
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