专利内容由知识产权出版社提供
专利名称：BEARING DEVICE FOR WHEEL AND METHOD
FOR MANUFACTURING THE SAME
发明人：FUJIMURA, AKIRA,KOMORI,
KAZUO,KUBOTA, KAZUNORI,HASHIMOTO,TETSUYA,SAITOU, KEIJI
申请号：EP08702765申请日：20080115公开号：EP2119926A4公开日：20110622
摘要：A support bearing assembly includes a plural rows of rolling elements (5)between opposed raceway surfaces (3, 4) of outer and inner members (1, 2), respectively.The inner member (2) is formed from a hub unit (9) and an inner ring (10) mounted on anouter periphery of an inboard end portion thereof. An annular stepped area (16) isprovided in an inner periphery of the inboard side of the inner ring. A crimped portion(9b) engageable with the stepped area (16) is provided on an inboard end of the hub unit(9) and has a cylindrical shape prior to a crimping process. By setting the amount ofchange in an inner diameter of the inboard end of the crimped portion (9b) within apreset range when a crimping punch is driven in, the amount (D) of radially outwardaugmentation of the crimped portion is regulated.
申请人：NTN CORPORATION
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