— What We Offer —
We Provide Quality And
Reliable Products

Our Advantages

  • Quality

    Quality

    We supply best quality clutch & bearings to customer, all production process will be under strictly inspection.

  • Service

    Service

    Experienced team ensure goods function well before delivery and give guidance for the installation and daily maintenance.

  • Warranty

    Warranty

    12 Months warranty from the day goods leave out our factory. It is our obligatory duty to support you during the warranty period.

  • Price

    Price

    We are the factory, we manufacture all parts ourselves. Win-win cooperation is our ultimate aim.

— Evaluate —
What Our Clients Say
About Suma

Bearings are solid and heavy and well constructed. They have a cage like the originals and were a perfect fit in the flange.
Area
Area
Poland

We certainly recoginze that Suma are the experts within this field and that is one of the main reasons we called them in.
behat
behat
India

I have been buying bearings from Suma for more than 8 years. Excellent and stable quality help my business grow.
Eirc
Eirc
Iran
— Need a Quote Fast?
Liudao Industrial Park, YaoguanTown, Wujin District , Changzhou City , Jiangsu Province, China , 213102
Send us all the info: Product type, product number, dimensions (ID, OD, Width) and we will get back to you fast.
Changzhou Suma Precision Machinery Co., Ltd
SEND MESSAGE

— News & Blog —
Our Latest News Blog
Articles & Tips

17 Sep

Sprag Bearing Clutch Brands You Can Trust in 2026
News
Compare top sprag bearing clutch brands for 2026: Suma, Formsprag, Stieber, GMN, and SKF. See which ...
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21 Aug

Top 10 One Way Bearing Manufacturers in China
News
Discover the top 10 one way bearing manufacturers in China, including reliable suppliers of one way ...
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13 Jul

What Are One-Way Bearings? A Complete Guide to Types, Applications, and Choosing the Right Solution
News
Learn everything about one-way bearings, including how they work, common types, industrial applicati...
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17 Jun

A Complete Guide to Holdback Backstop Bearing Clutch Applications in Heavy Industry
News
Holdback backstop bearing clutch applications boost safety, prevent reverse motion, and ensure relia...
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22 May

What Is a Roller One Way Clutch and How Does It Work
Application examples
A roller one way clutch lets shafts rotate in one direction, locking in reverse to protect machines ...
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13 May

Common mistakes when using one-way bearings
News
Avoid common mistakes with one-way bearings by ensuring proper installation, lubrication, and mainte...
Read More