JP2010060094A5 - - Google Patents

Claims (2)

内径面に外方転動体軌道面を有する外方環状部材と、外径面に前記外方転動体軌道面と対向する内方転動体軌道面を有する内方環状部材と、前記外方転動体軌道面と前記内方転動体軌道面との間に転動自在に装填する複数の転動体と、を備え、
前記外方環状部材及び前記内方環状部材のうち少なくとも一方に、取り付け対象とする被取り付け部材へ取り付けるフランジを形成し、
前記フランジと前記被取り付け部材とを互いに押圧させて、前記フランジを前記被取り付け部材へ取り付けるハブユニット軸受であって、
前記フランジの前記被取り付け部材への取り付けで発生する、前記外方環状部材及び前記内方環状部材のうち前記フランジを形成する環状部材が有する転動体軌道面の変形を抑制する軌道面変形抑制手段を備えることを特徴とするハブユニット軸受。 An outer annular member having an outer rolling member raceway surface on an inner diameter surface, an inner annular member having an inner rolling member raceway surface facing the outer rolling member raceway surface on an outer diameter surface, and the outer rolling member A plurality of rolling elements that are movably loaded between a raceway surface and the inner rolling element raceway surface,
At least one of the outer annular member and the inner annular member is formed with a flange to be attached to a member to be attached,
A hub unit bearing for pressing the flange and the attached member against each other and attaching the flange to the attached member,
Raceway surface deformation suppressing means for suppressing deformation of the rolling element raceway surface of the annular member forming the flange among the outer annular member and the inner annular member, which is generated when the flange is attached to the attached member. A hub unit bearing comprising: 前記外方環状部材及び前記内方環状部材のうち少なくとも一方に、複数の前記フランジを形成し、
前記軌道面変形抑制手段は、隣り合う前記フランジ間の中間位置または略中間位置に配置するリブを備えることを特徴とする請求項１に記載したハブユニット軸受。 A plurality of the flanges are formed on at least one of the outer annular member and the inner annular member,
2. The hub unit bearing according to claim 1, wherein the raceway surface deformation suppressing unit includes a rib disposed at an intermediate position or a substantially intermediate position between the adjacent flanges.