11186658 OMR X 160 hydraulic orbital motor 160 cm3 with 25 mm parallel shaft

11186658 OMR X 160 hydraulic orbital motor 160 cm3 with 25 mm parallel shaft
 
 
Feature: assembles Check Valves and High Pressure Shaft Seal (HPS).
Shaft type: Straight shaft 25 mm Diameter and 8 mm Width parallel key.
Flange type: SAE-A Type 2 holes A2 Flange with 82.5 mm centering diameter and 106.4 mm distance between holes.
Displacement: 155.4 cm3/rev.
Side Ports: G1/2 Threaded Ports (1/2" BSPP)
Drain Port: G1/4 Threaded Port (1/4" BSPP)

 
Main Specifications:
 
Technical data for BMR with 25 and 1 in and 1 in splined and 28.56 tapered shaft:
 

Many small and medium-sized machines face a commonly overlooked challenge: while they operate normally under no-load conditions, their motors reveal their shortcomings during intermittent operation characterized by frequent starts and stops and fluctuating loads. Either the motor requires very high oil pressure to start, resulting in persistently high system energy consumption, or—once internal wear occurs—the entire unit must be replaced, leading to high maintenance costs. The Motor Orbital BMR features low starting pressure and a repairable design as its core advantages, making it ideally suited for intermittent-duty equipment such as agricultural, sanitation, and light industrial machinery.

The Motor Orbital BMR is equipped with a column-embedded rotor-stator assembly and a roller cycloidal gear set. The roller structure significantly reduces internal sliding friction, improves mechanical efficiency, and achieves lower starting pressure. This means that during the initial startup phase, the hydraulic system does not need to build up high pressure to smoothly drive the mechanism, thereby reducing unnecessary system wear and tear. In applications involving frequent starts and stops—such as the rotating brushes on sweepers, wood-cutting feed mechanisms, and injection molding mold adjustment devices—the motor can maintain low-speed torque output even as the load fluctuates. This prevents stuttering during startup and erratic speed fluctuations, resulting in smoother and more stable equipment operation.

Unlike many motors with integrated cast stators, the Motor Orbital BMR features a removable stator structure with insertable pin teeth, treating the wear-prone pin teeth as separate components. When the pin teeth wear out after prolonged use, there is no need to scrap the entire motor. Maintenance personnel can complete the repair simply by machining the stator’s outer diameter and replacing the pin teeth assembly with a new one; If the core distributor plate shows signs of wear, it can be restored to its original sealing and current distribution performance through grinding followed by nitriding treatment. The entire repair process is straightforward and can be performed at ordinary local repair shops, eliminating the need to ship the unit back to the manufacturer for a lengthy wait. This not only saves on the cost of purchasing a new unit but also minimizes equipment downtime.

HANJIU’s Motor Orbital BMR features a 50-400 cc, covering applications ranging from light-load, high-frequency commutation to medium-load, intermittent operation. With a variety of flange, output shaft, and oil port specifications, it is compatible with the mounting dimensions of the vast majority of similar motors, eliminating the need for major modifications whether used as new equipment or as replacements for older units. Every motor undergoes factory testing for pressure, start-stop cycles, and torque calibration to ensure stable and consistent low-start characteristics under actual operating conditions, and repair parts are readily available.

For intermittent-duty equipment, the motor’s performance is determined not only by its maximum specifications but also by its day-to-day start-stop performance and long-term maintenance costs. The Motor Orbital BMR does not rely on inflated specifications to stand out; its low starting pressure reduces the load on the system, while its modular, repairable design keeps operational and maintenance costs under control, making it a practical choice for those seeking the lowest total cost of ownership.