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BM5W series Hydraulic motor
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Description
BM5W Series Hydraulic Motor
The BM5W series hydraulic motor is a waterproof heavy-duty orbital geroler hydraulic motor with end face distribution, derived from the classic BM5 series. It is specially designed for low-speed, heavy-duty operation scenarios in humid, rainy or water-exposed environments, with advanced waterproof sealing technology, high load-bearing capacity and stable performance. Integrating waterproof protection, heavy-duty operation and reliable adaptability, it is widely applied in marine machinery, outdoor construction equipment, mining machinery and other fields that require waterproof and dustproof performance. Below is the complete technical specification, including model parameters, core features, performance data and application scenarios, helping you quickly select the suitable product.
BM5W Series Hydraulic Motor Core Specifications (Model List)
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Model
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Displacement (cm³/rev)
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Max Continuous Pressure (MPa)
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Max Intermittent Pressure (MPa)
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Max Continuous Torque (N·m)
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Speed Range (rpm)
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Max Output Power (kW)
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BM5W 80
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80.5
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17.5
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21.0
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208
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5 – 840
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17.2
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|
BM5W 160
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160.9
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17.5
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21.0
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415
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5 – 550
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19.2
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BM5W 315
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315.7
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16.5
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20.0
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795
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5 – 350
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20.2
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|
BM5W 400
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401.3
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16.5
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20.0
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1010
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5 – 280
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21.2
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|
BM5W 500
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501.2
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15.5
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19.5
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1225
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5 – 230
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21.2
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BM5W 630
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631.0
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15.0
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19.0
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1535
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5 – 180
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20.2
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|
BM5W 800
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801.2
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14.5
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18.5
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1965
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5 – 150
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19.2
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|
BM5W 985
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986.0
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14.0
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18.0
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2405
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5 – 120
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18.2
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|
BM5W 1250
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1250.7
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13.0
|
17.5
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2755
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5 – 130
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26.2
|
Key Features of BM5W Series Hydraulic Motors
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Waterproof heavy-duty design, derived from the BM5 series, with advanced three-layer waterproof sealing technology (waterproof oil seal, waterproof gasket, dust-proof cover), reaching IP67 waterproof level, effectively preventing water, dust and other impurities from entering the motor, adapting to long-term operation in humid, rainy or water-exposed environments.
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High-precision end face distribution structure with automatic wear compensation function, combined with waterproof protection design, ensuring smooth operation at low speed, effectively reducing internal hydraulic loss, and the volumetric efficiency can reach 84%-91%, with excellent operation stability even in harsh wet conditions.
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Reinforced high-strength double-row tapered roller bearings on the output shaft, adopting precision machining and anti-corrosion heat treatment technology, which can bear larger static and dynamic radial loads than the standard BM5 series, balancing waterproof performance and load-bearing capacity, and greatly extending the service life of the motor.
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Optimized anti-corrosion structure, the motor shell adopts anti-rust and anti-corrosion materials and surface treatment technology, which can resist corrosion of seawater, rainwater and other corrosive media, suitable for harsh working environments such as marine, coastal and outdoor wet areas.
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Excellent low-pressure start performance and large starting torque (T启=(2~3) T额), which can realize stable start and continuous operation under low oil pressure and wet conditions, and the waterproof system can maintain stable performance for a long time without leakage.
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Flexible compatibility, compatible with the mounting flanges, output shafts and oil port types of the BM5 series, supporting customized waterproof upgrading according to user needs, easy to replace and maintain, and interchangeable with mainstream waterproof hydraulic motor models.
Performance Characteristics
The BM5W series hydraulic motors are waterproof heavy-duty end face distribution orbital geroler hydraulic motors, developed for low-speed, heavy-duty operation scenarios in wet and harsh environments. As a typical waterproof orbital geroler motor, it adopts internal curve gear meshing principle and advanced waterproof sealing technology to ensure efficient and stable power transmission. The displacement ranges from 80.5 cm³/rev to 1250.7 cm³/rev, covering a wide range of torque (208-2755 N·m) and speed requirements (5-840 rpm), and the maximum intermittent pressure can reach 21.0 MPa. The motor features IP67 waterproof level, high load-bearing capacity, smooth operation, low noise, long service life and strong environmental adaptability, and the total efficiency (actual output power and actual input power ratio) meets industrial standards, making it an ideal choice for heavy-duty applications that need waterproof and dustproof protection.
Application Areas
BM5W series hydraulic motors, as the waterproof heavy-duty version of the BM5 series, are widely used in various industries requiring waterproof performance and heavy-duty operation due to their excellent waterproof and load-bearing performance, including:
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Marine equipment: Ship anchor winches, net hauling equipment, steering systems, marine crane drives, offshore operation equipment, with excellent seawater corrosion resistance and waterproof performance, adapting to the complex marine working environment.
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Construction machinery: Outdoor hydraulic excavators, road rollers, heavy-duty cement mixers, construction site lifting machinery, adapting to rainy, humid construction sites and coastal construction projects.
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Mining machinery: Underground coal shearers, roadheaders, mine hoists in wet mines, adapting to the humid and dusty working conditions of mining sites.
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Agricultural machinery: Large combine harvesters, heavy-duty rotary tillers, irrigation equipment working in rainy and humid fields, ensuring stable operation in wet agricultural scenarios.
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Other fields: Outdoor environmental sanitation equipment, coastal engineering machinery, underwater operation auxiliary equipment, meeting the needs of waterproof and heavy-duty operation in various wet environments.
Model Coding Explanation
The model coding of BM5W series hydraulic motors is based on the BM5 series, adding the “W” identifier to indicate the waterproof heavy-duty version, which is composed of 7 parts, clearly indicating the motor type, waterproof mark, displacement, output shaft type, flange type and oil port type. For example, “BM5W 500 H4 A Y5” means:
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Type: BM5W (waterproof heavy-duty end face distribution orbital geroler hydraulic motor)
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Waterproof mark: W (indicating the waterproof heavy-duty version of BM5 series, with IP67 waterproof level and anti-corrosion performance)
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Displacement: 500 (corresponding to 501.2 cm³/rev)
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Output shaft type: H4 (40mm rectangular spline, 8-40×35×7)
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Flange type: A (large flange with 4×18mm mounting holes, φ160mm spigot)
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Oil port type: Y5 (inlet and outlet M18×1.5, drain port M14×1.5)
Shipping & Delivery
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