Yamakei Bearing Ltd.,established in 1952 , has maintained a reputation for uniform quality in the bearing industry that demands precision.
The company is specialized in the manufacture of Single Row Radial Ball Bearings. 

whose outside diameter ranges from 6 to 60 milimeters and inner diameter ranges from 2 to 30 milimeters.

At "KYK" trade mark of the company , no effort is spared for the modernization of the production techniques and of the plant facilities.

"Quality" is the watchword for every phase of the "KYK" activities. 
Product: Single Row Radial Ball Bearings 
"KYK" Certificate Of Trademark: Registration NO.4512705 
Group Company: RYU Corporation Ltd.
Company Name: KYK Corporation Co.,Ltd.(Old company name:YAMAKEI BEARING LTD.) 
Company Owner's Name: Kiyomi Yamamoto
Address: Nisiku Ohtori Naka-Machi 2-Cho 43-2-509 Sakai City Osaka Japan 
TEL: 072-267-2552
FAX: 072-267-2553
FACTORY: 8-4 Midoro-Cho 2-Cho Kisiwada City Osaka Japan 
TEL: 0724-43-8474
FAX: 072-265-5892
E-mail: info@kykbrg.com