BMSY Series BMSY-200-WE-F-MU-B 200cc Orbital Hydraulic Motor With 4-Bolt Wheel Mounted Flange Spline Shaft And Side Port


| Model No. | BMSY-200-WE-F-MU-B |
| 200cc BMSY series Orbital Motors, side port BMSY series Orbital Motors, 200cc orbit hydraulic motor |
BMSY-200-WE-F-MU-B is a 200cc displacement gerotor hydraulic motor, belonging to the BMSY series. This model features a 4-bolt wheel-mounted flange, equipped with a splined output shaft and side ports, and is a compact drive solution specifically designed for wheel drive applications.
As a model in the BMSY series dedicated to travel drive, this product adopts an advanced disc-type valve distribution structure and Geroler gear set design, which can be directly integrated into the equipment wheel hub. It realizes a wheel drive system with a compact structure, strong load-carrying capacity, and easy installation and maintenance. The 200cc displacement achieves a good balance between power output and speed range, making it an ideal choice for various wheeled mobile equipment.
1. Wheeled Mounting Flange – Optimized for Travel Drive
- The wheeled mounting flange of BMSY-200-WE-F-MU-B is its core design highlight:
- Direct integration with the wheel hub: The motor can be directly installed inside the equipment's wheel hub without the need for additional reducers or brackets.
- Optimized load distribution: Radial loads (equipment's own weight and ground impact) act between the two bearings, significantly extending bearing life.
Compact structure: The overall axial length is short, saving installation space.
2. Spline Shaft Transmission – High Torque Bearing
- Involute spline design: Torque bearing capacity is 3-5 times higher than that of a flat key shaft.
- Automatic centering: Spline fit automatically centers, ensuring smooth operation without vibration.
- Strong impact resistance: Suitable for working conditions where wheeled equipment starts, stops, and turns frequently.
- Long service life: Uniform wear leads to a long service life.
3. Disc-type Flow Distribution Technology – Excellent Low-speed Performance
- Automatic wear compensation: The flow distribution disc can automatically compensate for wear during operation, maintaining high volumetric efficiency for a long time.
- Low starting pressure: Starting torque can reach more than 92% of the theoretical torque.
- Excellent low-speed stability: It can run smoothly even below 10 rpm, achieving precise control.












80 |
100 |
125 |
160 |
200 |
250 |
315 |
375 |
||
(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 | |
| 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 | |
| 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 | |
| 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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