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Home > Products > Niemann Worm Gear Units > MHI HASEG Worm Gear Reducer SUHW Series

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MHI HASEG Worm Gear Reducer SUHW Series

The MHI HASEG Worm Gear Reducer SUHW Seriesis a single‑stage, vertical‑shaft hollow‑output worm gear reducer designed for light‑duty, space‑saving applications where quiet operation and built‑in self‑locking are essential. Utilizing MHI HASEG’s precision‑machined Niemann tooth profile, the SUHW Series delivers smooth, efficient torque transmission and easy integration in compact automation and vertical‑drive systems.

MHI HASEG Worm Gear Unit-2.png

 

Key Features

  1. Vertical Hollow‑Shaft Configuration

    The SUHW Series features a vertical input shaft and hollow vertical output, enabling direct mounting onto driven equipment—ideal for mixers, small hoists, rotary tables, and other top‑down drive applications.

  2. Precision Niemann Tooth Profile

    MHI HASEG’s concave‑convex gear design maximizes tooth contact and oil retention, minimizing wear and noise while ensuring stable, high‑efficiency power transfer.

  3. Self‑Locking Safety

    Low lead‑angle worm gearing inherently prevents back‑driving, providing built‑in load‑holding capability without external brakes—perfect for stop‑and‑hold or vertical‑lift functions.

  4. Compact & Lightweight

    Designed for installations with limited space and weight constraints, the SUHW Series maintains high torque output in a small footprint.

  5. Low‑Noise, Low‑Vibration Performance

    Optimized tooth geometry and high‑precision machining deliver whisper‑quiet operation and minimal vibration, supporting sensitive applications in labs or clean environments.

  6. Easy Maintenance

    Standard splash lubrication with Klüber synthetic oil and accessible oil‑level indicators, filler/drain ports, and grease nipples ensure simple, low‑frequency servicing.

Typical Specifications

 

Specification

 

SUHW Series

 
Shaft Orientation Vertical (input) / Hollow output
Center Distance (mm) 65, 80, 99, 100, 125, 160, 200, 225, 250, 280, 320, 360, 400, 450, 500
Reduction Ratios (iₙ) 5, 6.3, 8, 10, 12.5, 16, 20, 25, 31.5, 40, 50
Rated Output Torque (T₂N, Nm) 180–750 Nm (size‑dependent)
Max Input Speed (n₁, min⁻¹) Up to 1 800
Efficiency (η) Up to 90 %
Lubrication Splash (Klüber SYNTHESO HT / GH6)
Housing Material Cast iron
Operating Temperature –10 °C to +40 °C
Protection Class IP54 (standard)
 

Applications

  • Small Vertical Mixers & Agitators: Direct‑drive mounting with self‑locking safety.

  • Light‑Duty Hoists & Lifters: Secure holding without external brakes.

  • Rotary Tables & Indexers: Compact, precise motion in vertical setups.

  • Lab & Medical Equipment: Low noise and vibration for sensitive environments.

  • Packaging & Light Automation: Space‑efficient vertical drive solutions.

Why Choose the SUHW Series?

 

  • Space‑Saving Hollow Vertical Output: Simplifies installation and eliminates couplings.

  • Built‑In Self‑Locking: Prevents back‑driving for reliable holding.

  • Quiet, Efficient Operation: Niemann profile ensures smooth, low‑noise performance.

  • Low Maintenance: Accessible lubrication points reduce downtime.

  • Expert Support: Backed by Melink Automation’s local service and MHI HASEG’s engineering excellence.

For sizing assistance, dimensional data, and product integration support, contact Melink Automation, your trusted source for MHI HASEG Worm Gear Reducer SUHW Series.

 

 

MHI HASEG Worm Gear Reducer SUHW  Series Size：65・80・99（Output Shaft Arrangement：Left）

 

SUHW Gear Ratio: 5~50 MHI HASEG Worm Gear Reducer SUHW  Series Size
65 80 99
Output Shaft Arrangement：Left 5 SUHW65L-5 SUHW80L-5 SUHW99L-5
6.3 SUHW65L-6.3 SUHW80L-6.3 SUHW99L-6.3
8 SUHW65L-8 SUHW80L-8 SUHW99L-8
10 SUHW65L-10 SUHW80L-10 SUHW99L-10
12.5 SUHW65L-12.5 SUHW80L-12.5 SUHW99L-12.5
16 SUHW65L-16 SUHW80L-16 SUHW99L-16
20 SUHW65L-20 SUHW80L-20 SUHW99L-20
25 SUHW65L-25 SUHW80L-25 SUHW99L-25
31.5 SUHW65L-31.5 SUHW80L-31.5 SUHW99L-31.5
40 SUHW65L-40 SUHW80L-40 SUHW99L-40
50 SUHW65L-50 SUHW80L-50 SUHW99L-50

 

MHI HASEG Worm Gear Reducer SUHW  Series Size：65・80・99（Output Shaft Arrangement：Right）

 

SUHW Gear Ratio: 5~50 MHI HASEG Worm Gear Reducer SUHW  Series Size
65 80 99
Output Shaft Arrangement：Right 5 SUHW65R-5 SUHW80R-5 SUHW99R-5
6.3 SUHW65R-6.3 SUHW80R-6.3 SUHW99R-6.3
8 SUHW65R-8 SUHW80R-8 SUHW99R-8
10 SUHW65R-10 SUHW80R-10 SUHW99R-10
12.5 SUHW65R-12.5 SUHW80R-12.5 SUHW99R-12.5
16 SUHW65R-16 SUHW80R-16 SUHW99R-16
20 SUHW65R-20 SUHW80R-20 SUHW99R-20
25 SUHW65R-25 SUHW80R-25 SUHW99R-25
31.5 SUHW65R-31.5 SUHW80R-31.5 SUHW99R-31.5
40 SUHW65R-40 SUHW80R-40 SUHW90R-40
50 SUHW65R-50 SUHW80R-50 SUHW90R-50

 

SUHW Gear Ratio: 5~50 MHI HASEG Worm Gear Reducer SUHW  Series Size
65 80 99
  5 SUHW65B-5 SUHW80B-5 SUHW99B-5
6.3 SUHW65B-6.3 SUHW80B-6.3 SUHW99B-6.3
8 SUHW65B-8 SUHW80B-8 SUHW99B-8
10 SUHW65B-10 SUHW80B-10 SUHW99B-10
12.5 SUHW65B-12.5 SUHW80B-12.5 SUHW99B-12.5
16 SUHW65B-16 SUHW80B-16 SUHW99B-16
20 SUHW65B-20 SUHW80B-20 SUHW99B-20
25 SUHW65B-25 SUHW80B-25 SUHW99B-25
31.5 SUHW65B-31.5 SUHW80B-31.5 SUHW99B-31.5
40 SUHW65B-40 SUHW80B-40 SUHW99B-40
50 SUHW65B-50 SUHW80B-50 SUHW99B-50

 

 

MHI HASEG Worm Gear Reducer SUHW  Series Size：100~250（Output Shaft Arrangement：Left）

 

SUHW Gear Ratio: 5~50 MHI HASEG Worm Gear Reducer SUHW  Series Size
100 125 160 200 225 250
Output Shaft Arrangement：Left 5 SUHW100L-5 SUHW125L-5 SUHW160L-5 SUHW200L-5 SUHW225L-5 SUHW250L-5
6.3 SUHW100L-6.3 SUHW125L-6.3 SUHW160L-6.3 SUHW200L-6.3 SUHW225L-6.3 SUHW250L-6.3
8 SUHW100L-8 SUHW125L-8 SUHW160L-8 SUHW200L-8 SUHW225L-8 SUHW250L-8
10 SUHW100L-10 SUHW125L-10 SUHW160L-10 SUHW200L-10 SUHW225L-10 SUHW250L-10
12.5 SUHW100L-12.5 SUHW125L-12.5 SUHW160L-12.5 SUHW200L-12.5 SUHW225L-12.5 SUHW250L-12.5
16 SUHW100L-16 SUHW125L-16 SUHW160L-16 SUHW200L-16 SUHW225L-16 SUHW250L-16
20 SUHW100L-20 SUHW125L-20 SUHW160L-20 SUHW200L-20 SUHW225L-20 SUHW250L-20
25 SUHW100L-25 SUHW125L-25 SUHW160L-25 SUHW200L-25 SUHW225L-25 SUHW250L-25
31.5 SUHW100L-31.5 SUHW125L-31.5 SUHW160L-31.5 SUHW200L-31.5 SUHW225L-31.5 SUHW250L-31.5
40 SUHW100L-40 SUHW125L-40 SUHW160L-40 SUHW200L-40 SUHW225L-40 SUHW250L-40
50 SUHW100L-50 SUHW125L-50 SUHW160L-50 SUHW200L-50 SUHW225L-50 SUHW250L-50

 

MHI HASEG Worm Gear Reducer SUHW  Series Size：100~250（Output Shaft Arrangement：Right）

 

SUHW Gear Ratio: 5~50 MHI HASEG Worm Gear Reducer SUHW  Series Size
100 125 160 200 225 250
Output Shaft Arrangement：Right 5 SUHW100R-5 SUHW125R-5 SUHW160R-5 SUHW200R-5 SUHW225R-5 SUHW250R-5
6.3 SUHW100R-6.3 SUHW125R-6.3 SUHW160R-6.3 SUHW200R-6.3 SUHW225R-6.3 SUHW250R-6.3
8 SUHW100R-8 SUHW125R-8 SUHW160R-8 SUHW200R-8 SUHW225R-8 SUHW250R-8
10 SUHW100R-10 SUHW125R-10 SUHW160R-10 SUHW200R-10 SUHW225R-10 SUHW250R-10
12.5 SUHW100R-12.5 SUHW125R-12.5 SUHW160R-12.5 SUHW200R-12.5 SUHW225R-12.5 SUHW250R-12.5
16 SUHW100R-16 SUHW125R-16 SUHW160R-16 SUHW200R-16 SUHW225R-16 SUHW250R-16
20 SUHW100R-20 SUHW125R-20 SUHW160R-20 SUHW200R-20 SUHW225R-20 SUHW250R-20
25 SUHW100R-25 SUHW125R-25 SUHW160R-25 SUHW200R-25 SUHW225R-25 SUHW250R-25
31.5 SUHW100R-31.5 SUHW125R-31.5 SUHW160R-31.5 SUHW200R-31.5 SUHW225R-31.5 SUHW250R-31.5
40 SUHW100R-40 SUHW125R-40 SUHW160R-40 SUHW200R-40 SUHW225R-40 SUHW250R-40
50 SUHW100R-50 SUHW125R-50 SUHW160R-50 SUHW200R-50 SUHW225R-50 SUHW250R-50

 

SUHW Gear Ratio: 5~50 MHI HASEG Worm Gear Reducer SUHW  Series Size
100 125 160 200 225 250
  5 SUHW100B-5 SUHW125B-5 SUHW160B-5 SUHW200B-5 SUHW225B-5 SUHW250B-5
6.3 SUHW100B-6.3 SUHW125B-6.3 SUHW160B-6.3 SUHW200B-6.3 SUHW225B-6.3 SUHW250B-6.3
8 SUHW100B-8 SUHW125B-8 SUHW160B-8 SUHW200B-8 SUHW225B-8 SUHW250B-8
10 SUHW100B-10 SUHW125B-10 SUHW160B-10 SUHW200B-10 SUHW225B-10 SUHW250B-10
12.5 SUHW100B-12.5 SUHW125B-12.5 SUHW160B-12.5 SUHW200B-12.5 SUHW225B-12.5 SUHW250B-12.5
16 SUHW100B-16 SUHW125B-16 SUHW160B-16 SUHW200B-16 SUHW225B-16 SUHW250B-16
20 SUHW100B-20 SUHW125B-20 SUHW160B-20 SUHW200B-20 SUHW225B-20 SUHW250B-20
25 SUHW100B-25 SUHW125B-25 SUHW160B-25 SUHW200B-25 SUHW225B-25 SUHW250B-25
31.5 SUHW100B-31.5 SUHW125B-31.5 SUHW160B-31.5 SUHW200B-31.5 SUHW225B-31.5 SUHW250B-31.5
40 SUHW100B-40 SUHW125B-40 SUHW160B-40 SUHW200B-40 SUHW225B-40 SUHW250B-40
50 SUHW100B-50 SUHW125B-50 SUHW160B-50 SUHW200B-50 SUHW225B-50 SUHW250B-50

 

 

MHI HASEG Worm Gear Reducer SUHW  Series Size：280~500（Output Shaft Arrangement：Left）

 

SUHW Gear Ratio: 5~50 MHI HASEG Worm Gear Reducer SUHW  Series Size
280 320 360 400 450 500
Output Shaft Arrangement：Left 5 SUHW280L-5 SUHW320L-5 SUHW360L-5 SUHW400L-5 SUHW450L-5 SUHW500L-5
6.3 SUHW280L-6.3 SUHW320L-6.3 SUHW360L-6.3 SUHW400L-6.3 SUHW450L-6.3 SUHW500L-6.3
8 SUHW280L-8 SUHW320L-8 SUHW360L-8 SUHW400L-8 SUHW450L-8 SUHW500L-8
10 SUHW280L-10 SUHW320L-10 SUHW360L-10 SUHW400L-10 SUHW450L-10 SUHW500L-10
12.5 SUHW280L-12.5 SUHW320L-12.5 SUHW360L-12.5 SUHW400L-12.5 SUHW450L-12.5 SUHW500L-12.5
16 SUHW280L-16 SUHW320L-16 SUHW360L-16 SUHW400L-16 SUHW450L-16 SUHW500L-16
20 SUHW280L-20 SUHW320L-20 SUHW360L-20 SUHW400L-20 SUHW450L-20 SUHW500L-20
25 SUHW280L-25 SUHW320L-25 SUHW360L-25 SUHW400L-25 SUHW450L-25 SUHW500L-25
31.5 SUHW280L-31.5 SUHW320L-31.5 SUHW360L-31.5 SUHW400L-31.5 SUHW450L-31.5 SUHW500L-31.5
40 SUHW280L-40 SUHW320L-40 SUHW360L-40 SUHW400L-40 SUHW450L-40 SUHW500L-40
50 SUHW280L-50 SUHW320L-50 SUHW360L-50 SUHW400L-50 SUHW450L-50 SUHW500L-50

 

MHI HASEG Worm Gear Reducer SUHW  Series Size：280~500（Output Shaft Arrangement：Right）

 

SUHW Gear Ratio: 5~50 MHI HASEG Worm Gear Reducer SUHW  Series Size
280 320 360 400 450 500
Output Shaft Arrangement：Right 5 SUHW280R-5 SUHW320R-5 SUHW360R-5 SUHW400R-5 SUHW450R-5 SUHW500R-5
6.3 SUHW280R-6.3 SUHW320R-6.3 SUHW360R-6.3 SUHW400R-6.3 SUHW450R-6.3 SUHW500R-6.3
8 SUHW280R-8 SUHW320R-8 SUHW360R-8 SUHW400R-8 SUHW450R-8 SUHW500R-8
10 SUHW280R-10 SUHW320R-10 SUHW360R-10 SUHW400R-10 SUHW450R-10 SUHW500R-10
12.5 SUHW280R-12.5 SUHW320R-12.5 SUHW360R-12.5 SUHW400R-12.5 SUHW450R-12.5 SUHW500R-12.5
16 SUHW280R-16 SUHW320R-16 SUHW360R-16 SUHW400R-16 SUHW450R-16 SUHW500R-16
20 SUHW280R-20 SUHW320R-20 SUHW360R-20 SUHW400R-20 SUHW450R-20 SUHW500R-20
25 SUHW280R-25 SUHW320R-25 SUHW360R-25 SUHW400R-25 SUHW450R-25 SUHW500R-25
31.5 SUHW280R-31.5 SUHW320R-31.5 SUHW360R-31.5 SUHW400R-31.5 SUHW450R-31.5 SUHW500R-31.5
40 SUHW280R-40 SUHW320R-40 SUHW360R-40 SUHW400R-40 SUHW450R-40 SUHW500R-40
50 SUHW280R-50 SUHW320R-50 SUHW360R-50 SUHW400R-50 SUHW450R-50 SUHW500R-50

 

SUHW Gear Ratio: 5~50 MHI HASEG Worm Gear Reducer SUHW  Series Size
280 320 360 400 450 500
  5 SUHW280B-5 SUHW320B-5 SUHW360B-5 SUHW400B-5 SUHW450B-5 SUHW500B-5
6.3 SUHW280B-6.3 SUHW320B-6.3 SUHW360B-6.3 SUHW400B-6.3 SUHW450B-6.3 SUHW500B-6.3
8 SUHW280B-8 SUHW320B-8 SUHW360B-8 SUHW400B-8 SUHW450B-8 SUHW500B-8
10 SUHW280B-10 SUHW320B-10 SUHW360B-10 SUHW400B-10 SUHW450B-10 SUHW500B-10
12.5 SUHW280B-12.5 SUHW320B-12.5 SUHW360B-12.5 SUHW400B-12.5 SUHW450B-12.5 SUHW500B-12.5
16 SUHW280B-16 SUHW320B-16 SUHW360B-16 SUHW400B-16 SUHW450B-16 SUHW500B-16
20 SUHW280B-20 SUHW320B-20 SUHW360B-20 SUHW400B-20 SUHW450B-20 SUHW500B-20
25 SUHW280B-25 SUHW320B-25 SUHW360B-25 SUHW400B-25 SUHW450B-25 SUHW500B-25
31.5 SUHW280B-31.5 SUHW320B-31.5 SUHW360B-31.5 SUHW400B-31.5 SUHW450B-31.5 SUHW500B-31.5
40 SUHW280B-40 SUHW320B-40 SUHW360B-40 SUHW400B-40 SUHW450B-40 SUHW500B-40
50 SUHW280B-50 SUHW320B-50 SUHW360B-50 SUHW400B-50 SUHW450B-50 SUHW500B-50

 

 
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  • The MHI HASEG Worm Gear Reducer SUHW65L-5 is a high-performance gear reducer designed for applications requiring moderate speed reduction and precise torque control. Its robust construction, high efficiency, and compact size make it a versatile choice for a variety of industrial and automation applications. Supported by MHI HASEG’s expertise and reliability, the SUHW65L-5 delivers consistent performance and durability.

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  • The MHI HASEG Worm Gear Reducer SUHW65R-5 is likely a specific model of a worm gear reducer produced by MHI (Mitsubishi Heavy Industries) under their HASEG brand. Worm gear reducers are commonly used in various applications for their high torque output and compact design. They are suitable for use in machinery that requires precise and reliable speed reduction.

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