List of latest information
2026/09/11
Important Notice
Due to a power outage at our Okayama Plant, the PDF drawing server has been unavailable since 02:00 JST on Friday, September 11, 2026.
We will provide an update as soon as the expected recovery time is known.
DXF files and CADENAS remain available as usual.
Important Notice
(August 3, 2026)
: Equipment maintenance will be performed from August 9 (Sun) to August 15 (Sat), 2026. During this period, some PDF drawing data may not be available for download.
2026/07/21
Important Notice
Equipment maintenance will be performed on Sunday, July 26, 2026. Some PDF drawing files may be unavailable for download between 7:00 AM and 7:00 PM JST.
2026/07/13
Important Notice
Server maintenance will be performed on Sunday, July 19, 2026. Some PDF drawing files may be unavailable for download between 9:00 AM and 7:00 PM JST.
2026/06/01
Notice
We have released a simplified sizing tool for Plastic top chain for straight and inclined conveying.
2026/05/26
Notice
We have updated Selection Guide for Plastic top chain, Plastic modular chain, and Plastic block chain.
2026/04/23
Important Notice
Server maintenance will be performed on Saturday, May 2, 2026. Some PDF drawing data may be unavailable for download between 9:00 AM and 7:00 PM.
2026/04/01
Notice
Expanded product range for large conveyor sprocket Smart Replaceable series. Added HARDLOCK Nut mounting specification.
2026/01/05
New Product
Long travel length & High Load Cable Carrier (CABLEVEYOR) TKHP-R Type Now Available
2025/11/11
Important Notice
We will be performing server maintenance on Saturday, November 29, 2025. You may not be able to connect to this site between 9:00 and 19:00.
2025/07/09Important
Notice:
We will be performing server maintenance on Sunday, July 20, 2025. You may not be able to connect to this site between 9:00 and 19:00.
2025/04/23
Important Notice
We will be performing server maintenance on Sunday, May 4, 2025. Between 9:00 and 21:00, PDF drawing data for Plastic modular chain, Top chain, Plastic block chain, and Synchronous Belts may not be available for download.
2025/04/01
Notice
We have released Drive chain & Synchronous Belts Automatic Selection Tool (simple selection version).
2024/12/23
Important Notice
We will be performing server maintenance on 2025/1/2 (Thursday). You may not be able to connect to this site between 9:00 and 21:00.
2024/12/10
Important Notice
We will be performing server maintenance on Sunday, December 22, 2024. You may not be able to connect to this site between 9:00 and 19:00.
2024/10/01
New product
The world's smallest roller chain, "Epsilon Chain ™ Stainless Steel Specification," has been released.
2024/08/05
Important Notice
We will be performing server maintenance on Saturday, August 17, 2024. You may not be able to connect to this site between 9:00 and 17:00.
2024/04/01
New product
Plastic modular chain WT3835RN-K type and WT3835TRN-K type have been released.
2023/12/01
New Product
A special page for our new product, Large size conveyor chain coupling link "Screw Lock Link" has been released.
2023/10/01
Notice
We have released a special page for the TKRB type (ROBOTRAX) cable carrier (CABLEVEYOR) for multi-axis robots.
2023/04/01
Notice
The cable carrier (CABLEVEYOR) application case page has been renewed. Application cases in the robotics industry have been updated.
2023/04/01
Notice
The introduction page for medium and large Zip Chain Actuator sizes has been renewed.
2023/01/05
New product
RS Sprocket Fit Bore BR Type, Double pitch Sprocket Fit Bore BR Type, and Double Speed Sprocket Fit Bore BR Type have been released.
2023/01/05
New product
Mold-to-width Plastic modular chain WT2525VG-M type (rubber type) / WT2525-M type (closed type) have been released.
2023/01/05
Renewal
Surface treated drive chain NEPTUNE NEP Specification, Coated Double pitch NEPTUNE NEP Specification, and RS Attachment Chains have been renewed.
2022/11/07
Notice
Various drawing downloads (PDF, DXF, 3D CAD) will now be available as login content
2022/10/05
Notice
This test site will be unavailable for server maintenance from 17:00 on Friday, October 21st to 18:00 on Sunday, October 23rd.
2022/10/03
Renewal
The stainless steel Drive chain SS specification, RS Attachment Chains SS specification, and stainless steel Double pitch SS specification have been renewed.
2021/10/01
Notice
The Electric Lifter Selection Guide has been published.
2021/04/01
Notice
The Zip Chain Actuator, Zip Chain Lifter, and Zip Master catalogs have been revised.
2021/04/01
New product
We have expanded the range of ball Lift Master type lift masters with servo motors.
2021/04/01
New Product
We have expanded the range of surface treatment options available forour new product , Sprocket Fit Bore.
2020/10/01
Notice
New release of IoT-specification small gear motor
2017/08/24
Important Notice
Important Notice: Regarding the coupling PDF drawing error, please see here
2017/06/01
Notice
Sales of power cylinder T Series (rated thrust 6 tons or more) will be discontinued. Please see here.
2016/10/26
Notice
The model numbers of "couplings" and "gear motors" will change from November 1, 2016.
2016/01/31
Notice
The Tsubaki product group has added the "Zip Chain Actuator" and "Lift Master" to its linear actuator lineup.
2014/10/08
Notice
"Top chain" has been added to the Tsubaki product lineup.
2014/06/01
Notice
Pin gear drive have been added to Drawing Library, allowing you to specify the model number and create a drawing with minimal input of conditions.
2013/09/16
Notice
Small size conveyor chain have been added to the Tsubaki product lineup.
2013/08/28
Notice
Worm gear heads have been added to Product Info for TERVO reducers for servo motors.
2012/12/17
Notice
We have added power rock overseas manufacturers to the search for replacement products from other companies.
2012/10/09
Notice
We have expanded power cylinder Eco Series servo type models (catalog, Product Info, sizing, application examples).
2012/06/28
Notice
Four new applications for cam clutches have been added: roller tables, squid fishing machines, stick packaging machines, and plate material coating lines.
2012/02/17
Notice
Product Info gear motor Mini Series and Product Info Hypoid Motor Mini Series has been added.
2011/11/17
Notice
Top page A link to the leaflet for the new product "Lift Master "has been added.
Please contact us for details.
Please contact us for details.
2011/10/03
Notice
We have opened a comprehensive Product Info site for Tsubaki Seiki products.



