BMR orbital hydraulic motors from the Rolltorq brand are designed for low-speed operations under low to medium loads. The BMR series' maximum speeds ranging from 160 to 775 rpm and power outputs up to 10 kW.
Specifications
- 5 to 775 rpm of rotational speed range
- Up to 140 bar of continuous pressure
The BMR orbital motors are medium-sized units equipped with a gerotor set featuring rollers. This design provides high starting torque, low starting pressure, and the capability to operate at high allowable pressures, albeit with a lower maximum rotational speed. The cardan shaft rotates the distributor valve and transfers mechanical energy from the gerotor set to the output shaft. The valve has hydrodynamic bearings, ensuring infinite life as long as load ratings are not exceeded. These motors feature shaft bearings that significantly extend their lifespan.
BMR motors are generally interchangeable with motors from series such as OMR, MR, OMZR, and SMR. However, durability, efficiency, and parameter stability can vary between different manufacturers' series.
Features
Displacement: 51.7 – 401.9 cm³/rev
Rotational Speed Range: 5 – 775 rpm
Maximum Pressure: 140 bar (continuous) / 225 bar (peak)
Maximum Power: 4 – 10 kWAdvantages
- Low starting pressure
- Reinforced shaft seals
- Capability for serial and parallel motor combinations
- Low noise level
- Compact design and easy installation
- Shaft ball bearings
Applications
BMR motors are ideal for use in applications requiring light to medium loads, such as light-duty winches, auxiliary systems of high-power crushers, forestry machinery, and various agricultural machines. They are suitable for many other moderate-demand applications.
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