505540A3120AAAAAB Roller Stator Danfoss White Drive Motor

Wuhan Xinlaifu Hydraulic Equipment Co., Ltd. is one of the leading manufacturers and suppliers of 505540a3120aaaaab roller stator danfoss white drive motor in China. With abundant experience, we warmly welcome you to buy high quality customized products at competitive price from our factory. Also, OEM&ODM service is available.

Type	Hydraulic Orbital Torque Motor
Speed	100rpm-120rpm
Warranty	12-18 Months
Torque	1050N.M-1180N.M
Output	8.0kw-10.0kw
Pressure	10.5mpa-12mpa
Highlight	danfoss orbital motors, 100rpm orbit hydraulic motor, 8.0kw orbit hydraulic motor

The 505540A3120AAAAAB Roller Stator hydraulic motor is a gerotor hydraulic motor designed and manufactured by White Drive Products and now part of the Danfoss product portfolio. As a key member of the RE series, this motor adopts innovative patented Roller Stator technology, replacing traditional sliding friction with seven precision rollers to achieve rolling contact between the rotor and stator, thereby significantly improving efficiency and service life.

This product is specially optimized for low-flow and high-pressure application scenarios, achieving an ideal balance between cost-effectiveness and performance. It is widely used in various industrial and mobile equipment, and serves as an outstanding representative of world-leading hydraulic drive solutions from White Drive Products.

Brand History Background: White Drive Products is a global leader in gerotor motor and steering solutions with decades of industry experience. In 2016, Danfoss acquired White Drive Products to further expand its hydraulic product portfolio. Accordingly, this motor is now branded under Danfoss, while its product design and technologies originate from White's patented technologies.

1. Optimized Design for Low Flow Rate and High Pressure
The RE series motors are particularly suitable for application scenarios requiring low flow rate and high pressure, thanks to their unique pressure balance plate design:

• Startup phase: Pressure bends the balance plate toward the rotor, greatly improving volumetric efficiency during startup and ensuring reliable startup under low flow rates.
• Operation phase: The balance plate automatically resets once operating pressure is reached, allowing the rotor to rotate freely and achieving higher mechanical efficiency.
• Wide efficiency curve: Maintains a relatively flat efficiency curve across the entire operating flow range with stable performance.

2. Three-Zone Axial Flow Distribution Design
Adopting an advanced Three-Zone Spool Valve structure, it offers the following advantages:

• Stable performance: Operates smoothly over a wide range of speeds and torques without creeping phenomenon.
• Integrated check valve: Built-in check valve suitable for housing oil drain connection, reducing housing pressure and extending the service life of shaft seals.
• External housing leakage structure: Standard external housing leakage connection reduces pressure on internal shaft seals and improves product service life.

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