发明名称 ROLLER BEARING, RETAINER SEGMENT FOR ROLLER BEARING, AND SPINDLE SUPPORTING STRUCTURE OF WIND-POWER PLANT
摘要 <P>PROBLEM TO BE SOLVED: To provide a roller bearing capable of reducing a risk of breakage of retainer segments and smoothly rolling a roller. <P>SOLUTION: This tapered roller bearing includes a plurality of retainer segments 11a having a plurality of column parts 14b extending in a direction along a rotary axial line of the bearing to form pockets for accommodating tapered rollers and connection parts 15a, 15b extending in a circumferential direction to connect a plurality of the column parts 14b and arranged sequentially in the circumferential direction between an outer ring and an inner ring. The retainer segments 11a are roller guides. Here, one guide pawl 18b having a contact part 28 contacting the tapered rollers, and a recessed part 29 formed at an inside position in the circumferential direction of the contact part 28 are provided on side walls of the column parts 14b. <P>COPYRIGHT: (C)2009,JPO&INPIT
申请公布号 JP2008298273(A) 申请公布日期 2008.12.11
申请号 JP20070148353 申请日期 2007.06.04
申请人 NTN CORP 发明人 OMOTO TATSUYA
分类号 F16C33/46;F03D11/00;F16C19/34;F16C33/56 主分类号 F16C33/46
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