A spline bearing with a compact design that achieves high load capacity.
The HIWIN ball spline is a rolling guide spline bearing. It consists of a nut, screw, balls, and a retainer, utilizing the rolling motion of the balls for linear motion mechanisms. Due to its angular contact structure, it has a large load capacity in both radial and rotational directions. The nut and bearing are integrated, achieving high load capacity while remaining compact. ■ Torque Transmission Capability Compared to linear bearings, the balls in the rolling groove have face-to-face contact, allowing relative motion between the nut and screw, enabling torque transmission. ■ Integrated Structure The nut and bearing are integrated, resulting in high precision, lightweight, and compact design. ■ Easy Installation With a retainer, the balls do not fall out even when the spline shaft is removed. ■ Lubricant The optimal lubrication structure design supplies lubricant to the ball circulation area, enhancing lubrication effectiveness and extending service life. ○ For more details, please refer to the catalog or contact us.
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basic information
The HIWIN ball spline features three rows of load-bearing balls. The balls are arranged with opposing contact angles, and the ball rows are held in place by retainers to ensure aligned circular motion. Additionally, the adoption of an optimized retainer design enables high-speed and high acceleration/deceleration. The retainer design also prevents the balls from falling out even when the spline shaft is removed. For more details, please refer to the catalog or contact us.
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Applications/Examples of results
For various industrial machines. Please contact us for more details.
Detailed information
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FBR (screw type) A combination of a spline nut and a ball screw nut.
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【FSR (Rotary Type)】 Combination of spline nut and bearing nut.
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[FS (Flanged Type)] Flanged spline nut.
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RS (cylindrical) Cylindrical spline nut.
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Company information
HIWIN is a global company headquartered in Taichung, Taiwan, with a capital of approximately 15.8 billion yen and around 4,500 employees. In addition to Japan, it has bases in 12 countries worldwide, including Germany and the United States. As a world-class manufacturer of linear motion equipment, HIWIN focuses on product development to meet the diverse needs of its customers, accumulating a track record of supplying to leading machine tool manufacturers, automotive manufacturers, and semiconductor and manufacturing equipment manufacturers, and advancing as a preferred partner company. (ISO9001, ISO14001, ISO45001 certified) Furthermore, HIWIN develops and manufactures a wide range of mechatronic products, providing solutions that extend beyond merely being a parts manufacturer to various industries. Established in 1999, HIWIN Corporation, the Japanese subsidiary, is based in Kobe City, Hyogo Prefecture, and has sales offices in 10 cities across Japan. In 2022, it established a headquarters factory with research and development capabilities on a site of approximately 7,500 tsubo in Kobe City. Moving forward, our company will demonstrate expertise in each field and strive to provide optimal solutions to our customers through the manufacturing and development of valuable products, contributing to the development of Japan's industry as a company that "supports next-generation manufacturing."