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BM5-S series Hydraulic motor
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Description
BM5-S Hydraulic Motor
The BM5-S series hydraulic motor is a compact short-version orbital geroler hydraulic motor with end face distribution, derived from the classic BM5 series. It is specially designed for low-speed, heavy-duty operation in space-constrained scenarios, with optimized compact structure, lightweight design and reliable performance. Integrating small size, high efficiency and strong adaptability, it is widely applied in small and medium-sized agricultural machinery, compact construction equipment, and industrial equipment with limited installation space. Below is the complete technical specification, including model parameters, core features, performance data and application scenarios, helping you quickly select the suitable product.
BM5-S Series Hydraulic Motor Core Specifications (Model List)
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Model
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Displacement (cm³/rev)
|
Max Continuous Pressure (MPa)
|
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)
|
|
BM5-S 80
|
80.1
|
17.0
|
20.5
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198
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10 – 830
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16.5
|
|
BM5-S 160
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160.6
|
17.0
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20.5
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398
|
10 – 540
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18.5
|
|
BM5-S 315
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315.3
|
16.0
|
19.5
|
770
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10 – 340
|
19.5
|
|
BM5-S 400
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401.0
|
16.0
|
19.5
|
980
|
10 – 270
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20.5
|
|
BM5-S 500
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500.8
|
15.0
|
19.0
|
1190
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10 – 220
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20.5
|
|
BM5-S 630
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630.6
|
14.5
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18.5
|
1500
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10 – 170
|
19.5
|
|
BM5-S 800
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800.8
|
14.0
|
18.0
|
1940
|
10 – 140
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18.5
|
|
BM5-S 985
|
985.6
|
13.5
|
17.5
|
2380
|
10 – 120
|
17.5
|
|
BM5-S 1250
|
1250.3
|
12.5
|
17.0
|
2680
|
10 – 130
|
25.5
|
Key Features of BM5-S Series Hydraulic Motors
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Compact short-version design, derived from the BM5 series, with significantly shortened body length (15%-20% shorter than the standard BM5 series), lightweight structure, and perfect adaptation to equipment with limited installation space while maintaining core performance.
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High-precision end face distribution structure, with automatic wear compensation function, ensuring smooth operation at low speed, effectively reducing internal hydraulic loss and improving volumetric efficiency (up to 84%-91%) and operation stability.
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High-strength double-row tapered roller bearings on the output shaft, adopting precision machining technology, which can bear large static and dynamic radial loads, balancing compact size and load-bearing capacity, and extending the service life of the motor.
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Optimized dual-seal structure, combining high-temperature resistant oil seal and dust-proof seal, with strong sealing performance, capable of withstanding high back pressure, and suitable for harsh working environments such as dust, humidity and small-space long-time operation.
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Excellent low-pressure start performance, with large starting torque (T启=(2~3) T额), which can realize stable start and continuous operation under low oil pressure conditions, adapting to the start-up needs of small and medium-sized equipment.
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Flexible compatibility, compatible with the mounting flanges, output shafts and oil port types of the BM5 series, easy to replace and maintain, with high torque density and reliable performance, interchangeable with mainstream compact hydraulic motor models.
Performance Characteristics
The BM5-S series hydraulic motors are compact short-version end face distribution orbital geroler hydraulic motors, developed for low-speed, heavy-duty operation in space-constrained scenarios. As a typical orbital geroler motor, it adopts internal curve gear meshing principle to ensure efficient power transmission. The displacement ranges from 80.1 cm³/rev to 1250.3 cm³/rev, covering a wide range of torque (198-2680 N·m) and speed requirements, and the maximum intermittent pressure can reach 20.5 MPa. The motor features compact size, lightweight, smooth operation, low noise, long service life and high efficiency, and the total efficiency (actual output power and actual input power ratio) meets industrial standards, making it an ideal choice for small and medium-sized heavy-duty applications with limited installation space.
Application Areas
BM5-S series hydraulic motors, as the compact short version of the BM5 series, are widely used in various industries requiring small installation space and heavy-duty performance, including:
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Agricultural machinery: Small combine harvesters, compact rotary tillers, small feed mixers, seeders and fruit picking equipment.
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Construction machinery: Compact hydraulic excavators, small rollers, road sweepers, garbage trucks and small lifting machinery, adapting to narrow construction sites.
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Industrial equipment: Small conveyors, high-load winding machines, small injection molding machine preplasticizing screw drives and vulcanizing machines, suitable for equipment with limited internal space.
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Forestry & Marine equipment: Small logging machines, fishing boat winches, small anchor machines, adapting to the limited space of small vessels and forestry equipment.
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Other fields: Small mining auxiliary equipment, compact environmental sanitation equipment and small processing machinery, meeting the needs of small-space heavy-duty operation.
Model Coding Explanation
The model coding of BM5-S series hydraulic motors is based on the BM5 series, adding the “S” identifier to indicate the short compact version, which is composed of 7 parts, clearly indicating the motor type, compact mark, displacement, output shaft type, flange type and oil port type. For example, “BM5-S 500 H4 A Y5” means:
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Type: BM5-S (compact short-version end face distribution orbital geroler hydraulic motor)
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Compact mark: S (indicating the short compact version of BM5 series, with shortened body and lightweight design)
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Displacement: 500 (corresponding to 500.8 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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