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BM5-B series Hydraulic motor
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Description
BM5-B Hydraulic Motor
BM5-B series hydraulic motor is an upgraded high-torque orbital geroler hydraulic motor with end face distribution, developed based on the classic BM5 series. It is specially designed for low-speed, heavy-duty and long-time continuous operation, with optimized efficiency, load-bearing capacity and environmental adaptability. Integrating reliability, durability and cost-effectiveness, it is widely applied in mining, construction, marine, agricultural and industrial heavy-duty scenarios. Below is the complete technical specification, including model parameters, core features, performance data and application scenarios, helping you quickly select the suitable product.
BM5-B Series Hydraulic Motor Core Specifications (Model List)
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Model
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Displacement (cm³/rev)
|
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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BM5-B 80
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80.2
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17.5
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21.0
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202
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10 – 820
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17
|
|
BM5-B 160
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160.8
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17.5
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21.0
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405
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10 – 530
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19
|
|
BM5-B 315
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315.5
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16.5
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20.0
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782
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10 – 330
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20
|
|
BM5-B 400
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401.2
|
16.5
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20.0
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995
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10 – 260
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21
|
|
BM5-B 500
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501.0
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15.5
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19.5
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1210
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10 – 210
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21
|
|
BM5-B 630
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630.8
|
15.0
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19.0
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1520
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10 – 165
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20
|
|
BM5-B 800
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801.0
|
14.5
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18.5
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1960
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10 – 135
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19
|
|
BM5-B 985
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985.8
|
14.0
|
18.0
|
2410
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10 – 115
|
18
|
|
BM5-B 1250
|
1250.5
|
13.0
|
17.5
|
2720
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10 – 125
|
26
|
Key Features of BM5-B Series Hydraulic Motors
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Upgraded end face distribution design, based on the BM5 series, with enhanced automatic wear compensation function, ensuring smoother operation at low speed, effectively reducing internal hydraulic loss and improving operation stability and volumetric efficiency (up to 85%-92%).
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Reinforced double-row tapered roller bearings on the output shaft, adopting high-strength materials and precision machining, which can bear larger static and dynamic radial loads than the BM5 series, significantly enhancing the load-bearing capacity and service life of the motor.
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Dual-seal structure optimization, combining high-temperature resistant oil seal and dust-proof seal, with stronger sealing performance, capable of withstanding higher back pressure, and suitable for harsh working environments such as high temperature, dust, humidity and heavy load.
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Excellent low-pressure start performance and larger starting torque than the BM5 series, which can realize stable start and continuous operation under low oil pressure conditions, perfectly adapting to the needs of heavy-duty start scenarios in mining and construction industries.
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Flexible structural design, compatible with the mounting flanges, output shafts and oil port types of the BM5 series, supporting customized design according to different working mechanisms and installation requirements, and easy to replace and maintain.
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Higher torque density and more reliable performance, with strong environmental adaptability, interchangeable with mainstream heavy-duty hydraulic motor models, widely used in low-speed and heavy-duty working scenarios, and energy-saving effect is more prominent than the previous generation.
Performance Characteristics
The BM5-B series hydraulic motors are upgraded end face distribution orbital geroler hydraulic motors, developed for low-speed and heavy-duty continuous operation with more stable and reliable performance than the BM5 series. As a typical orbital geroler motor, it adopts internal curve gear meshing principle to ensure efficient power transmission. The displacement ranges from 80.2 cm³/rev to 1250.5 cm³/rev, covering a wide range of torque (202-2720 N·m) and speed requirements, and the maximum intermittent pressure can reach 21.0 MPa, providing stronger power support for various heavy-duty equipment. The motor has the advantages of smooth operation, low noise, long service life and high efficiency, and is an ideal choice for heavy-duty industrial, agricultural and marine applications.
Application Areas
BM5-B series hydraulic motors, as the upgraded version of BM5 series, are widely used in various heavy-duty industries due to their excellent high-torque, low-speed performance and enhanced durability, including:
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Agricultural machinery: Large combine harvesters, heavy-duty rotary tillers, high-power feed mixers and large-scale agricultural irrigation equipment.
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Construction machinery: Hydraulic excavator travel and slewing drives, large rollers, heavy-duty cement mixers and heavy lifting machinery, adapting to the harsh working conditions of construction sites.
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Industrial equipment: Large conveyors, high-load winding machines, injection molding machine preplasticizing screw drives and high-pressure vulcanizing machines.
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Mining machinery: Coal shearers, roadheaders and mine hoists, with strong adaptability to harsh mining working environments such as dust and high load.
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Marine equipment: Ship anchor winches, large fishing boat net hauling equipment and ship steering systems, with excellent corrosion resistance and waterproof performance.
Model Coding Explanation
The model coding of BM5-B series hydraulic motors is based on the BM5 series, adding the “B” identifier to indicate the upgraded version, which is composed of 7 parts, clearly indicating the motor type, upgrade mark, displacement, output shaft type, flange type and oil port type. For example, “BM5-B 500 H4 A Y5” means:
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Type: BM5-B (upgraded end face distribution orbital geroler hydraulic motor)
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Upgrade mark: B (indicating the upgraded version of BM5 series, with enhanced performance)
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Displacement: 500 (corresponding to 501.0 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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