- You do not have any products in your shopping cart yet.
Series H
MH hydraulic motors offer high reliability, rugged construction, and strong performance for medium-duty to heavy-duty industrial applications. Featuring proven spool valve Gerotor technology, a wide range of flange, shaft, and port options, and torque ratings up to 117 daNm, they are ideal for mechanical engineering, agriculture, mining, and many other industries. Learn more...
17 to 32 (from a total of 38)
Their durable design and flexible configurability ensure maximum efficiency and adaptability in demanding operating environments.
MH Series Orbital Motors – Frequently Asked Questions
What are the main applications of the MH orbital motors?
MH orbital motors are highly versatile and used in a variety of industrial and machinery sectors:
- Conveyor belts
- Metalworking machines
- Conveying systems for robots and manipulators
- Agricultural machinery
- Food industry
- Lawn mowers
Their rugged design and multiple configuration options make them suitable for demanding applications.
What are the main design features and options offered by MH motors?
MH motors are designed with a spool valve in-line configuration and planetary roller set, and offer the following features:
- Mounting: Oval flange
- Ports: Side, metric or BSPP threads
- Shaft types: Cylindrical, tapered, or splined
- Additional options: Speed sensing, special versions
What key parameters define the performance of MH motors?
- Max. displacement: up to 502.4 cm³/rev
- Max. speed: 445 rpm
- Max. torque: 104 daNm [9204 in/lb]
- Max. power: 18.5 kW [24.8 HP]
- Max. pressure drop: 200 bar [2900 PSI]
- Max. oil flow: 90 l/min [23.8 GPM]
- Min. speed: 5 rpm
What hydraulic oil and operating conditions are recommended for MH motors?
- Oil type: HLP (DIN 51524) or HM (ISO 6743/4)
- Viscosity: 20–75 mm²/s [98–347 SUS]
- Temperature range: -40 °C to 140 °C [-40 °F to 284 °F], recommended max. 82 °C [180 °F]
- Filtration: ISO Code 20/16 (25 μm)
- Run-in period: 10–15 min at moderate load and speed
What shaft options are available for MH motors and how do they affect torque?
Available shaft options:
- C: Cylindrical Ø32 mm – up to 77 daNm
- CB: Cylindrical Ø35 mm – up to 95 daNm
- SH: Splined shaft Ø1 1/4", 14 teeth – up to 95 daNm
- K: Tapered 1:10, Ø35 mm – up to 95 daNm
What special features and configurations are available for MH motors?
- RS – Speed sensor (0–15000 Hz, 42 pulses/rev)
- T – Tachometer drive
- LSV – Low-speed valve (20–50 rpm)
- LL – Low leakage, ideal for series connection
- FR – Low-friction version for high speeds
- R – Reverse rotation
- Paint finishes: Standard, corrosion protection, special color
What considerations should be taken into account for permissible shaft load?
The permissible radial shaft load (Prad) depends on:
- Speed (n)
- Distance (L) between load point and flange
- Shaft version