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Auburn Bearing & Manufacturing is a manufacturer of ball/roller thrust bearings established in 1893 in Auburn, NY. Its products are designed with a V-groove raceway which reduces friction by containing the ball bearings with four points of contact. Auburn Bearing & Manufacturing is one of the oldest continuously operating bearing manufacturers in the United States today. == History == In 1860, Mark Dean Knowlton founded a paper box manufacturing business in Chicago operating as M.D. Knowlton and Company. The business prospered until the Great Chicago Fire destroyed it in 1871. Mr. Knowlton immediately rebuilt his business. In the early 1880s, he sold the paper box manufacturing portion of the business in order to concentrate on inventing production machinery for the paper box manufacturing industry. In 1888, Mr. Knowlton left Chicago and moved to Rochester, New York, where he formed a partnership with Fred H. Beach, known as Knowlton & Beach. In 1893, Knowlton & Beach introduced to the market a near frictionless ball bearing. In 1900, they incorporated the business as the Rochester Ball Bearing Company. In 1901, Knowlton & Beach acquired the Auburn, New York-based Auburn Ball Bearing Company, which became a division of Knowlton & Beach.〔(【引用サイトリンク】url=http://www.langleymfg.com/about/history.html )〕 Auburn Ball Bearing manufactured ball and roller thrust bearings. Their primary product, Auburn Four-Point-Cone-Contact Ball Thrust Bearings, was designed with a V-groove raceway which contains the balls with four points of contact. Auburn Ball Bearing Company manufactured various sizes and configurations of their V-groove thrust bearings for applications in industries including paper box manufacturing, railroad jacks, U.S. submarines, and U.S. Government Light Houses. Early company documentation illustrates Auburn Ball Bearings were used to support revolving lenses in the Carysfort Reef Light, Jupiter Inlet Light, and the St. Simons Island Light in the early twentieth century.〔 Mr. Beach sold his interest in Knowlton & Beach in 1904, and, later that year the company was incorporated in New York as M.D. Knowlton Company.〔(【引用サイトリンク】url=http://appext9.dos.ny.gov/corp_public/CORPSEARCH.ENTITY_INFORMATION?p_nameid=31006&p_corpid=25773&p_entity_name=m%2E%20d%2E%20knowlton&p_name_type=%25&p_search_type=CONTAINS&p_srch_results_page=0 )〕 Mr. Knowlton served as president until his death in 1906. His son, Colonel Frederick K. Knowlton, served as president until his death in 1939. The business continued through the war years and post-war period under family direction. In 1969 and 1970 M.D. Knowlton Company moved operations to Victor, New York.〔 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Auburn Ball Bearing Company」の詳細全文を読む スポンサード リンク
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