Ogura Clutch Co., Ltd. is a Japanese manufacturer founded in 1938 and incorporated in 1948, headquartered in Kiryu City, Gunma Prefecture, Japan. It is recognized globally as one of the leading manufacturers of electromagnetic clutches and brakes, serving industrial, automotive, and mobile equipment markets.
Ogura designs and manufactures high-performance motion control components used in industrial automation, machine tools, construction equipment, packaging systems, outdoor machinery, and automotive systems. The company operates multiple manufacturing facilities worldwide and supplies products to OEMs and industrial customers across global markets.
Main Product Categories
1. Industrial Electromagnetic Clutches & Brakes
High-precision electromagnetic clutches and brakes for industrial machinery and automation systems.
Product Types
-
Electromagnetic clutches
-
Electromagnetic brakes
-
Clutch-brake combined units
-
Hysteresis clutches and brakes
-
Magnetic particle clutches and brakes
Applications
2. General Purpose Electromagnetic Clutches
Bearing-mounted clutches designed for engine or motor applications.
Features
Applications
-
Pumps
-
Fans
-
Agricultural machinery
-
Construction equipment
3. Mobile Equipment Clutches (PTO Clutches)
Clutches for outdoor power equipment and mobile machinery.
Typical Uses
4. Automotive Clutch Products
Components used in automotive systems.
Product Types
-
Automotive air conditioning clutches
-
Solenoid and actuator assemblies
-
Performance automotive clutches
Applications
-
Passenger vehicles
-
Commercial vehicles
-
Automotive OEM systems
5. Roots Blowers & Superchargers
Engineered air delivery systems for industrial and automotive applications.
6. Tension Control & Process Components
Motion control products for regulating tension in winding, unwinding, and processing systems.
7. OA & Micro Clutches
Small electromagnetic clutches for precision equipment.
Applications
8. Special & Additional Products
-
Oil mist separators
-
High-pressure coolant systems
-
Electromechanical solenoid devices
-
Customized motion control solutions
Industry Applications
Ogura products are widely used in:
-
Industrial automation
-
Machine tools
-
Construction and heavy equipment
-
Material handling systems
-
Packaging and printing machinery
-
Automotive systems
-
Outdoor power equipment
Company Strengths
-
Over 80 years of clutch and brake manufacturing experience
-
Global production and sales network
-
Strong OEM cooperation
-
High production capacity
-
Custom engineering support
-
Compliance with international quality standards Ogura Clutch (小倉クラッチ) product information page – main product categories and representative model numbers summarized.
The company is a comprehensive manufacturer primarily focused on electromagnetic clutches and brakes, with general industrial applications as its core business. Below are the main categories and example models (based on official information as of 2026).
General Industrial Use
1. Dry Single-Plate Electromagnetic Clutches/Brakes
- AM Series: Micro electromagnetic clutches/brakes (small applications)
- V Series: Electromagnetic clutches/brakes (standard, low-noise, high-torque, one-body types)
- MS Series: With automatic gap adjustment device
- MMC Series: Vibration-resistant design for engine use
- MP Series: High-speed operation unit
2. Power-Off / Non-Excited (Spring-Applied) Clutches/Brakes
- MCNB Series: Small micro non-excited brake
- SNB-N Series: Thin type (for braking)
- RNB-N Series: Thin type (for holding / emergency stop)
- MNB-N Series: General-purpose type
- MCNB Molddisc type / MCNB-T type / RNB-T type
- FNB-N Series: Thin single-face type (special production)
- PNB Series: Permanent magnet type (special production)
- SMC Series: Compact non-excited clutch (special production)
3. Powder & Hysteresis Clutches/Brakes
- OP Series: Micro powder clutch/brake
- H Series: Hysteresis clutch/brake
- PHT Series: Perma-hysteresis torque controller
- PET Series: Eddy current torque limiter
- OPL Series: Powder limiter
4. Tooth & Multi-Plate Clutches/Brakes
- MZ Series: Electromagnetic tooth clutch
- MZS Series: Fixed-position engagement electromagnetic clutch
- MD Series: Dry multi-plate electromagnetic clutch/brake
- MW Series: Wet multi-plate electromagnetic clutch/brake
- UN Series: Multi-plate electromagnetic clutch coupling
5. Other General Industrial Products
- Mechanical, hydraulic, and pneumatic clutches/brakes (specific models not detailed on the page)
- Power supply devices
- Tension control systems (e.g., CTA1200/3200/1100 constant current controllers, CTP1200/3200 pulse count type, CTF1200/3200 feedback type, DTH series tension detectors, etc.)
Other Categories
- Electrostatic Precipitators & Oil Mist Collectors
- OMSE Series (for oil-based/water-soluble)
- OMSZ Series (for oil-based/water-soluble)
- Special Products / ORC & ARUGOS Products: Racing clutches (ORC reinforced clutches, slipper clutches, etc.) and ARUGOS series – available on a separate site (e.g., ogura-racing.com) with vehicle-specific search.
- Office Automation Micro Clutches: MIC series, etc. (separate business segment)
- Also includes automotive A/C clutches, powertrain solenoids, Roots blowers (superchargers), etc.
1. Dry Single-Plate Electromagnetic Clutches/Brakes
- AM / AMB / AMC Series (micro/small, torque ~0.25–8 N·m):
AM-2.5, AM-5, AM-10, AM-20, AM-40, AM-80
AMB-2.5, AMB-5, AMB-10, AMB-20, AMB-40, AMB-80 (brake-focused)
AMC-5, AMC-10, AMP-10, AMU-C-20
- V Series (standard, low-noise, high-torque variants):
VBE-0.6, VBE-1.2, VBE-2.5, VBE-5, VBE-10, VBE-20
VBEH-1.2, VBEH-5 (high-torque)
VBS-0.6, VBS-1.2, VBS-2.5, VBS-5, VBS-P-5
VCE-0.6, VCE-1.2, VCE-2.5, VCE-5, VCE-10
VSAU-1.2 (special mounting)
- MS Series (with auto gap adjustment):
MSB-1.2, MSB-2.5, MSB-5, MSB-10, MSB-20, MSB-40, MSB-70, MSB-100
MSCP-5, MSC-T (variants), MSU-40
- MMC Series (vibration-resistant, engine use):
MMC-5, MMC-10, MMC-20, MMC-40, MMC-60, MMC-70, MMC-100, MMC-140, MMC-200, MMC-210E-01
- MP Series (high-speed actuation):
MP-5, MP-10, MP-20, MP-40, MP-80, MP-120, MP-250, MP-500
2. Power-Off / Non-Excited (Spring-Applied) Clutches/Brakes
- MCNB Series (micro/power-off brake):
MCNB-2, MCNB-5, MCNB-10
MCNB-2KR (holding, 90V), MCNB-2GS (stopping, 24V), MCNB-2-51
MCNB-T series (thin/optimized power consumption)
- MNB Series (general-purpose):
MNB-0.2, MNB-0.4, MNB-0.8, MNB-1.2, MNB-2.5, MNB-5, MNB-10, MNB-20, MNB-40, MNB-80
MNB-0.2K-N (90V), MNB-0.4K-N
- SNB Series (thin braking):
SNB-0.1, SNB-0.2, SNB-0.4, SNB-0.8, SNB-1.2, SNB-2.5, SNB-5, SNB-10
- RNB Series (thin holding/emergency stop):
RNB-0.2, RNB-0.4, RNB-0.8, RNB-1.6, RNB-3, RNB-5, RNB-10, RNB-20
RNB-T (thin optimized)
- FNB / PNB Series (thin/special):
FNB-0.1, FNB-0.2, FNB-0.4, FNB-0.8
PNB-1.2, PNB-2.5, PNB-5
3. Tooth & Multi-Plate Clutches/Brakes
- MZ / MZS Series (electromagnetic tooth, high-torque/no-slip):
MZ-2.5, MZ-5, MZ-10, MZ-16, MZ-25, MZ-50, MZ-100, MZ-160, MZ-250, MZ-400
MZ-2.5W, MZ-5D, MZ-10W (wet/dry variants)
MZS-16 (single-position engagement)
- MD / MDC Series (dry multi-plate):
MDC-1.2, MDC-2.5, MDC-5, MDC-10, MDC-20, MDC-40, MDC-80, MDC-160
- MW / MWC / MWB Series (wet multi-plate):
MWB-1.2, MWB-2.5, MWB-5, MWB-10, MWB-20, MWB-40, MWB-80
MWC-1.2, MWC-2.5, MWC-5, MWC-10, MWC-20, MWC-320
4. Powder, Hysteresis & Other
- OP / OPB-N Series (powder/mag-particle):
OPB-N-5, OPB-N-10, OPB-N-20, OPB-N-40, OPB-N-80, OPB-N/-F-120N
OPL-N-0.3, OPL-BR-1
- H / HB Series (hysteresis):
HB-0.5, HB-1.2, HB-2.5, HB-5, HB-10
- PHT Series (torque controller):
PHT-D-0.02, PHT-D-0.5, PHT-D-1.2, PHT-D-2.5, PHT-D-10
- PET Series (eddy current limiter):
PET-1.2, PET-5
RNB-0.2G DC24V |
