ISK bearings

Welcome to ISK bearings!

ISK’s parent company, JOTA Group, founded in Taiwan in 1991, is a leading bearing supplier dedicated to offering professional bearing solutions. With over 30 years of industry experience, we provide the most suitable bearings for both international corporations and individual businesses, and have become one of the most reliable bearing company, aiming to help our clients reduce trial and error costs and increase production efficiency.

As a bearing manufacturers, we have established an IATF16949-certified factory in Ningbo to ensure the highest quality of our products, which comply with RoHS, REACH, and SGS standards. We are not only dedicated to maintaining high-quality bearing supplier, but also offer professional customized bearing services, industry application consulting, and premium after-sales support, making ISK a long-term designated bearing partner for many global well-known corporations.


Three Assurances

"Quality, Integrity, and Service" are ISK's three guarantees.
Quality guarantee - Passes more than 10 precise inspection procedures.
Integrity guarantee - Focused on providing customers with appropriate product quality.
After-sales guarantee - Professional team provides technical support and good services.

Quality Assurance

Quality Assurance

More than 10 precise procedures for detection.

Integrity guaranteed

Integrity guaranteed

Providing suitable products to our customers with absolute commitment.

After-sales service

After-sales service

Providing professional technical knowledge to solve product problems.

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Industry Solutions

As a leading bearing supplier, ISK provides bearings that are widely used in bicycle, electric bicycle, home appliances, power tools, motors, medical equipment, sports equipment, racing, semiconductors, and other industries. Based on our extensive experience collaborating with various industries, we are able to provide customized bearing solutions to meet the customer’s industry and environmental requirements.

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Sales Share By Market

Other Asia % 15 Africa % 2 Taiwan % 25 China % 15 Europe % 23 America % 20
% 25 Taiwan % 23 Europe % 15 Other Asia % 20 America % 15 China % 2 Africa Proportion


  1. 1991

    In 1991, founding of “JOTA Bearing Co., Ltd.”

    JOTA BEARING CO., LTD. started out as a machinery hardware trader, but as customer demand and inquiries for bearings increased, the company shifted its focus to become a specialized bearing manufacturers. Then JOTA BEARING CO., LTD. was established to concentrate on providing a range of bearing options.

  2. 1993

    In 1993, a Thai branch was established with the aim of expanding the Southeast Asian market.

  3. 1996

    In 1996, registered the brand ISK

    The brand name 'ISK' is an acronym for our three core beliefs: innovation, specialization, and know-how.

  4. 1998

    In 1998, we established the Shenzhen branch with the aim of expanding into the mainland market.

  5. 2001

    In 2001, we invested in a factory, obtained the IATF 16949(ISO/TS16949) global automotive industry quality management system certification, and providing services to large enterprises worldwide.

  6. 2002

    In 2002, the establishment of the Kunshan branch aimed at expanding the mainland market.

  7. 2006

    In 2006, the establishment of the Cixi branch aimed at expanding the mainland market.

  8. 2010

    In 2010, established a global sales department and expanded the headquarters.

    With ISK's overseas market growth, a global sales department was set up to provide better service to overseas customers. With a view to meeting increased shipment demands, the Taiwan headquarters expanded from 150 square meters to 600 square meters, enhancing its storage capacity and installing additional bearing inspection equipment to provide more stable quality for customers. These improvements have enabled ISK to become one of the leading bearing manufacturers in the industry.

  9. 2016

    In 2016, introduced a 100% automated production line to increase production capacity and quality.

    As a result of the trust in ISK's stable quality and service by global customers, the demand for orders has increased, and ISK has responded by investing in a fully automated production line to meet the large purchasing demands from its clients. This investment further solidifies ISK's position as one of the leading bearing supplier in the market.

  10. 2018

    In 2018, we set up an e-commerce platform for real-time customer service.

    Our goal of providing better services led us to join the Alibaba International Station in 2018, invest in digital resources, and upgrade our official website, helping global customers reduce trial and error costs.(By consistently providing exceptional services and products, ISK was honored as one of the 10 e-commerce experts in Taiwan by Alibaba in 2022.)

  11. 2022

    In 2022, proactively engage in the prospect industry and offer customers highly accurate bearing solutions.

    With more than 30 years of bearing expertise and the leadership of General Manager Lin Chia-Fang, our team strives for excellence and uses online resources to expand ISK's reach into the global overseas market and focus on high-growth industries. Our commitment to "quality, integrity, and service" helps us serve a wider customer base.

  12. 2023

    In 2023, proactively prepare industry application simulation parameter equipment center.

    We understand that providing quality bearings supplies is not just about the products themselves, but also about providing comprehensive support and service to our customers. That's why we have established an inspection center for industrial applications, which allows us to promptly determine our customers' precise bearing requirements. By doing so, we assist customers in minimizing trial and error costs and provide them with the most suitable bearing solutions.

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Contact ISK sales team!

Our sales teams are happy to answer any sales or product questions.
Please fill out our form so we can provide better assistance.

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Taiwan 2024 Holidays: Jan. 1, Feb. 8-14, Apr. 4-5, May. 1, Jun. 10, Sep. 17, Oct. 10. Would prompt replies on business days.


Please choose a file(PDF/PNG/JPG/GIF), and the file size should be under 5MB.

Taiwan 2024 Holidays: Jan. 1, Feb. 8-14, Apr. 4-5, May. 1, Jun. 10, Sep. 17, Oct. 10. Would prompt replies on business days.