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BM4 series Hydraulic motor
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Description
The BM4 series hydraulic motor is a high-efficiency orbital hydraulic motor (geroler type), specially designed for medium-duty continuous operation. It integrates reliability, compact structure and cost-effectiveness, widely applied in agricultural, construction, and industrial fields. Below is the complete technical specification, including model parameters, core features, performance data and application scenarios, helping you quickly select the suitable product.
BM4 Series Hydraulic Motor Core Specifications (Model List)
|
Model
|
Displacement (cm³/rev)
|
Max Continuous Pressure (MPa)
|
Max Intermittent Pressure (MPa)
|
Max Continuous Torque (N·m)
|
Speed Range (rpm)
|
Max Output Power (kW)
|
|
BM4 50
|
50.2
|
16.0
|
19.0
|
120
|
10 – 950
|
12
|
|
BM4 80
|
80.4
|
16.0
|
19.0
|
193
|
10 – 780
|
15
|
|
BM4 100
|
100.6
|
16.0
|
19.0
|
241
|
10 – 650
|
16
|
|
BM4 125
|
125.8
|
15.0
|
18.5
|
298
|
10 – 520
|
17
|
|
BM4 160
|
160.3
|
15.0
|
18.5
|
385
|
10 – 410
|
17
|
|
BM4 200
|
200.5
|
14.0
|
18.0
|
457
|
10 – 330
|
15
|
|
BM4 250
|
250.7
|
12.5
|
17.0
|
562
|
10 – 265
|
12
|
|
BM4 315
|
315.2
|
12.0
|
16.0
|
698
|
10 – 210
|
11
|
|
BM4 450
|
450.8
|
10.0
|
14.5
|
895
|
10 – 150
|
10
|
Key Features of BM4 Series Hydraulic Motors
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Internal curve gear meshing design, adopting geroler set to ensure high volumetric efficiency (80%-90%) and mechanical efficiency, reducing energy loss during operation.
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High-strength tapered roller bearings on the output shaft, which can bear large static and dynamic radial loads, improving the stability and service life of the motor.
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Optimized shaft seal structure, strong sealing performance, can withstand high back pressure, suitable for harsh working environments such as dust and humidity.
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Low-pressure start performance is excellent, with large starting torque, which can realize stable start and operation under low oil pressure conditions.
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Compact overall structure, small volume, light weight, easy to install and maintain, and can be flexibly matched with various mounting flanges and shaft types.
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Cost-effective, reliable performance, interchangeable with mainstream models of the same type, widely used in medium-load working scenarios.
Performance Characteristics
The BM4 series hydraulic motors belong to orbital geroler hydraulic motors, which are dedicated to continuous medium-duty operation with stable and reliable performance. The displacement ranges from 50.2 cm³/rev to 450.8 cm³/rev, covering a variety of torque and speed requirements, and the maximum intermittent pressure can reach 19.0 MPa, providing strong power support for various equipment. The motor has the advantages of smooth operation, low noise, long service life and high efficiency, and is an ideal choice for medium-load industrial and agricultural applications.
Application Areas
BM4 series hydraulic motors are widely used in various industries due to their excellent performance and cost-effectiveness, including:
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Agricultural machinery: Combine harvesters, mowers, seeders, rotary tillers, feed mixers and fruit picking equipment.
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Construction machinery: Small rollers, cement mixers, road sweepers, construction cleaning equipment and small lifting machinery.
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Industrial equipment: Conveyors, winding machines, injection molding machines, vulcanizing machines and small processing equipment.
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Other fields: Forestry equipment, fishing boat winches, small marine equipment and environmental sanitation equipment.
Model Coding Explanation
The model coding of BM4 series hydraulic motors is composed of 6 parts, which clearly indicates the motor type, displacement, flange type, shaft type and other key specifications. For example, “BM4 100 F3 C E” means:
-
Type: BM4 (orbital geroler hydraulic motor)
-
Displacement: 100 (corresponding to 100.6 cm³/rev)
-
Flange type: F3 (standard round flange with 4 mounting holes)
-
Shaft type: C (ø 30 cylindrical shaft with parallel key)
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Seal type: E (reinforced oil seal, suitable for high back pressure working conditions)
Shipping & Delivery
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