Ogura Clutch

Ogura manufactures electromagnetic clutches and brakes used in industrial automation, mobile equipment, and engine-driven systems. Product families include friction clutches and brakes, clutch/brake combinations, spring-applied holding brakes, and controlled-slip technologies such as particle and hysteresis units.

These products are applied where controlled engagement, repeatability, and torque transfer are required. Common use cases include packaging machinery, conveyors, pumps, compressors, and engine-driven accessories.

Electromate provides application-level support to match torque, speed, inertia, and duty cycle to the correct Ogura product family, then delivers configuration guidance, documentation, and quoting.


Ogura Product Families

Industrial Electromagnetic Clutches and Brakes

Industrial products are used in automation systems where engagement timing and torque control are critical.

  • Single-face clutches and brakes for general engagement/disengagement
  • Clutch/brake combinations for indexing and positioning
  • Spring-applied brakes for holding loads when power is removed
  • Tooth clutches for no-slip engagement
  • Multiple-disc designs for higher torque density
  • Particle and hysteresis units for controlled slip and tension control

Mobile Electromagnetic Clutches

Mobile clutches are designed for belt-driven systems and engine-powered equipment.

  • Engage pumps, compressors, and auxiliary systems only when required
  • Designed for outdoor environments and vibration
  • Common voltage options: 12V and 24V
  • Available with multiple pulley types and bore configurations

General Purpose Engine-Mounted Clutches

Engine-mounted clutches connect and disconnect loads directly from engine shafts.

  • Designed for gas and diesel engines
  • Typical max speeds up to 3600 RPM
  • Bore sizes aligned with standard engine crankshafts
  • Available with pulley or direct drive outputs

Ogura Product Type Comparison

Product Type Primary Function Key Advantage Typical Use Case
Single-Face Clutch Engage/disengage rotating systems Simple design, fast response General automation systems
Tooth Clutch Positive engagement (no slip) Zero slip torque transfer Indexing systems
Spring-Applied Brake Hold load when power is off Fail-safe operation Vertical axes, safety holding
Multiple Disc Clutch High torque in compact space High torque density Space-constrained systems
Particle / Hysteresis Controlled slip Precise torque control Tension control, winding
Mobile Clutch Engage engine-driven loads Designed for harsh environments Pumps, compressors

Ogura Product Videos


Ogura Products for Purchase

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MIC Series Electromagnetic Clutches by Ogura Clutch

MIC Series Electromagnetic Clutches

Torque Range: 2~7 in-lbs / 0.25~0.8 Nm | Max RPM: 300 | Bore: 6 mm or 8 mm | 24 VDC micro electromagnetic clutch

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MMC Series Electromagnetic Clutches by Ogura Clutch

MMC Series Electromagnetic Clutches

Torque Range: 37–1475 ft-lbs | Max RPM: 1600–4000 | Bore: 25–80 mm | 12/24 VDC heavy-duty electromagnetic clutch

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AMC Series Electromagnetic Clutches by Ogura Clutch

AMC Series Electromagnetic Clutches

Torque Range: 2–70 in-lbs / 0.25–8 Nm | Max RPM: up to 3600 | Bore: 6–15 mm | 24 VDC zero backlash electromagnetic clutch

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VC Series Electromagnetic Clutches by Ogura Clutch

VC Series Electromagnetic Clutches

Torque Range: 5.1-150 ft-lbs | Max RPM: up to 7000 | Bore: 8–20 mm | 24 VDC compact electromagnetic clutch

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MSC-T Series Single Disc Electromagnetic Clutches by Ogura Clutch

MSC-T Series Single Disc Electromagnetic Clutches

Torque Range: 9–738 ft-lbs | Max RPM: 1800–5500 | Bore: 15–70 mm | 24 VDC single disc electromagnetic clutch

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MZ Series Electromagnetic Tooth Clutches by Ogura Clutch

MZ Series Electromagnetic Tooth Clutches

Torque Range: 18.5–2899 ft-lbs | Max RPM: 1400–5000 | Bore: 20–100 mm | 24 VDC electromagnetic tooth clutch

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MZS Series Electromagnetic Single-Position Tooth Clutches by Ogura Clutch

MZS Series Electromagnetic Single-Position Tooth Clutches

Torque Range: 18.5–181 ft-lbs | Max RPM: 3200–5000 | Bore: 20–40 mm | 24 VDC single-position tooth clutch

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MWC Series Electromagnetic Multiple-Disk Clutches by Ogura Clutch

MWC Series Electromagnetic Multiple-Disk Clutches

Torque Range: 18–8850 ft-lbs | Max RPM: 900–4000 | Bore: 20–140 mm | 24 VDC multiple-disk electromagnetic clutch

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MDC Series Electromagnetic Multiple-Disk Clutches by Ogura Clutch

MDC Series Electromagnetic Multiple-Disk Clutches

Torque Range: 12–6195 ft-lbs | Max RPM: 200–1400 | Bore: 20–140 mm | 24 VDC multiple-disk electromagnetic clutch

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OPC-N Series Electromagnetic Mag-Particle Clutches by Ogura Clutch

OPC-N Series Electromagnetic Mag-Particle Clutches

Torque Range: 0.367–6 ft-lbs | Max RPM: 1800 | Bore: 5–15 mm | 24 VDC magnetic particle clutch

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FAQ

What is an electromagnetic clutch used for?

An electromagnetic clutch connects and disconnects power transmission using an electric signal, allowing controlled engagement of rotating components.

What is the difference between a clutch and a brake?

A clutch connects two rotating shafts. A brake stops or holds motion by applying resistance to a rotating component.

How do you size an electromagnetic clutch?

Sizing is based on torque, engagement speed, inertia, and duty cycle. Static torque alone is not sufficient for selection.

What causes clutch failure?

Common causes include excessive engagement speed, high inertia loads, misalignment, and thermal overload from prolonged slip.