We solve various problems regarding slewing mechanisms, e.g., parts procurement, development and design.

SENSHU BEARING SERVICE can live up to the various requests, high-precision, special form, large-size, small quantity, short delivery, low price, etc. from every customer for the purpose of increasing use of Slewing bearing.
We are sure that you will be quite satisfied with our services and the questions of the bearings. Our staff will happily to help you with your questions. Please contact us for more information.

Slewing Bearing

Slewing Drive

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Slewing bearings are not standardized, so we generally sell customized model to match the uses of customer by make-to-order.

The slewing drive is an assembly made by manufacturing worm wheel ring, worm shaft, housing into a finished gearbox.

Our company has been growing up with the bearing industry in Senshu area (South-Osaka area) for 50 years, since we opened a bearing shop in Sakai-City, Osaka in 1967.


  • Added White Paper page

    We provide useful information (white paper) primarily for engineers considering use of slewing bearings. We plan to gradually increase the number of published materials. Please help us solve the problem.
    ※Japanese page only

  • We have opened our official YouTube channel.

    We have opened our official YouTube channel. All animations and videos posted on this site can be viewed on our YouTube channel. We have also provided a link to our YouTube channel on the menu on the right side of our all sites.

  • Added slewing bearing animation.

    In order to introduce slewing bearings in an easy-to-understand manner, we have added animations to the "Slewing Bearings'' and "Structure of Slewing Bearings'' pages.

  • This website has SSL(Secure Sockets Layer)-enabled.

    We have changed the communication method of this website to encrypted communication compatible with SSL (https:), allowing you to use the website more safely.

  • We have declared "SECURITY ACTION".

    We have declared "SECURITY ACTION" ★ (one star) promoted by the Information-technology Promotion Agency (IPA), an independent administrative agency. We will continue to further improve information security.