BMSY Series BMSY-315-E6-B-D-B 315cc Hydraulic Motor 4-Bolt Flange G1/2 Port
Wuhan Xinlaifu Hydraulic Equipment Co., Ltd. is one of the leading manufacturers and suppliers of bmsy series bmsy-315-e6-b-d-b 315cc hydraulic motor 4-bolt flange g1/2 port in China. With abundant experience, we warmly welcome you to buy high quality customized products at competitive price from our factory. Also, OEM&ODM service is available.

Products Description

| Product | Hydraulic Motor |
| Model No. | BMSY-315-E6-B-D-B |
| Manufacturer | XLF Hydraulic |
| Brand | XLF Hydraulic |
| Highlight | 315cc BMSY series hydraulic motors, 315cc hydraulic motors, BMSY-315-E6-B-D-B |
Product Overview
BMSY-315-E6-B-D-B is a cycloidal hydraulic motor with a displacement of 315cc, belonging to the BMSY series. This model adopts a 4-bolt rhombus flange (Rhombus Flange / Magneto Mounting) installation method, is equipped with a 32mm straight key shaft, and the oil port uses the G1/2 British pipe thread standard. It is a drive solution specially designed for medium-displacement and high-torque applications.
This product adopts an advanced Geroler gear set design and a disc-type distribution structure, providing high power density and reliable performance in a compact volume. The 315cc displacement achieves a good balance between torque output and speed range, and can be widely used in various occasions such as construction machinery, agricultural equipment, and industrial transmission. As a direct substitute for international mainstream brands, this product can perfectly replace equivalent models such as the Danfoss OMS 315 series, Eaton 2000 series, M+S MSY series, and White WS series.
Core Advantages
1. 4-bolt diamond flange - compact structure, easy installation
- The BMSY-315-E6-B-D-B adopts a 4-bolt diamond flange design:
- Compact structure: Compared with the 4-bolt square flange, the diamond arrangement saves installation space in specific directions.
- Precise positioning: The φ82.5 mm locating spigot ensures installation coaxiality.
- Easy installation: Fixed with 4 M12 or M14 bolts, facilitating quick disassembly and assembly.
- Reliable load-bearing: The diamond arrangement is optimally distributed in the force direction, suitable for medium and high-load applications.
2. 32mm straight key shaft - strong versatility, reliable transmission
- 32mm standard shaft diameter: Internationally common size, compatible with various couplings and hubs.
- Straight key transmission: Standard flat keyway design, easy for processing and maintenance.
- Reliable torque transmission: The key connection method is mature and reliable, suitable for various working conditions.
3. Geroler gear set design - efficient and durable
- The BMSY series adopts an advanced Geroler roller-type cycloidal gear set:
- Rolling friction: Rollers replace sliding friction, and the mechanical efficiency is 5-8% higher than that of the traditional Gerotor.
- Better sealing performance: The line contact between the roller and the gear ring results in higher volumetric efficiency.
- Longer service life: Uniform wear, with a B10 life of ≥ 10,000 hours.












Main Specificaion
| Type | BMS BMSE 80 |
BMS BMSE 100 |
BMS BMSE 125 |
BMS BMSE 160 |
BMS BMSE 200 |
BMS BMSE 250 |
BMS BMSE 315 |
BMS BMSE 375 |
|
| Geometric displacement (cm3 /rev.) |
80.6 | 100.8 | 125 | 157.2 | 200 | 252 | 314.5 | 370 | |
| Max. speed (rpm) | cont. | 800 | 748 | 600 | 470 | 375 | 300 | 240 | 200 |
| int. | 988 | 900 | 720 | 560 | 450 | 360 | 280 | 240 | |
| Max. torque (N·m) | cont. | 190 | 240 | 310 | 316 | 400 | 450 | 560 | 536 |
| int. | 240 | 300 | 370 | 430 | 466 | 540 | 658 | 645 | |
| peak | 260 | 320 | 400 | 472 | 650 | 690 | 740 | 751 | |
| Max. output (kW) | cont. | 15.9 | 18.8 | 19.5 | 15.6 | 15.7 | 14.1 | 14.1 | 11.8 |
| int. | 20.1 | 23.5 | 23.2 | 21.2 | 18.3 | 17 | 18.9 | 17 | |
| Max. pressure drop (MPa) | cont. | 17.5 | 17.5 | 17.5 | 15 | 14 | 12.5 | 12 | 10 |
| int. | 21 | 21 | 21 | 21 | 16 | 16 | 14 | 12 | |
| peak | 22.5 | 22.5 | 22.5 | 22.5 | 22.5 | 20 | 18.5 | 14 | |
| Max. flow (L/min) | cont. | 65 | 75 | 75 | 75 | 75 | 75 | 75 | 75 |
| int. | 80 | 90 | 90 | 90 | 90 | 90 | 90 | 90 | |
| Max. inlet pressure (MPa) | cont. | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 |
| int. | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | |
| Weight (kg) | 9.8 | 10 | 10.3 | 10.7 | 11.1 | 11.6 | 12.3 | 12.6 | |
* Continuous pressure :Max. value of operating motor continuously.
* Intermittent pressure :Max. value of operating motor in 6 seconds per minute.
* Peak pressure:Max. value of operating motor in 0.6 second per minute.
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