Bosch Rexroth | MCR15F1250F280Z32A0M1L42S
MCR15F1250F280Z32A0M1L42S
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The MCR15F1250F280Z32A0M1L42S radial piston motor is manufactured by Bosch Rexroth for the MCR Radial Piston Motors series. It converts hydraulic energy into rotary motion for heavy-duty automation tasks where high torque at low speed is required. The unit’s displacement is 1250 cm³ per revolution, and its specific torque is 20 Nm per bar, providing a direct link between supply pressure and output torque. A maximum differential pressure of 450 bar defines the continuous working limit, while ports A and B can tolerate up to 470 bar during brief spikes. Smooth rotation is maintained down to 0.5 rpm for precision positioning. The drive shaft flange diameter is 280 mm, and the motor uses flange mounting to secure directly to driven equipment. Pressure lines connect through SAE J518 Code 62 ports, allowing the use of common high-pressure flange fittings.
The motor weighs 95 kg in its single-speed version, so structural supports must handle that load. Drain oil leaves the housing through a port built to the SAE J514 standard, and case pressure must stay below 10 bar to avoid seal damage. Acceptable fluid viscosity ranges from 10 to 2000 mm²/s, provided cleanliness is maintained at ISO 4406 class 20/18/15 to limit component wear. Fluid temperature may vary between –20 and +85 °C, accommodating cold starts and extended high-load operation. When supplied at its rated pressure, the motor can produce up to 8952 Nm of torque, delivering the rotational force required for winches, track drives, or swing functions.
Technical Specifications
Case Drain Port
SAE J514
Displacement
1250 cm³/rev
Drive Shaft Flange Diameter
280 mm
Fluid Cleanliness Class
ISO 4406 20/18/15
Fluid Temperature Range
-20 to +85 °C
Fluid Viscosity Range
10 to 2000 mm²/s
Max Case Drain Pressure
10 bar
Max Differential Pressure
450 bar
Max Pressure At Port A/b
470 bar
Maximum Torque
8952 Nm
Min Speed (smooth Running)
0.5 rpm
Mounting Type
Flange Mounting
Ports A/b
SAE J518 (Code 62)
Specific Torque
20 Nm/bar
Weight (single Speed)
95 kg
1620 Old Apex Road
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