Rolling bearing
AssigneeNippon Thompson Co., Ltd.
InventorsMao MOTOYAMA, Yusuke TAKAYA
Life of this patent
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Abstract
A rolling bearing includes a shell type outer ring having a raceway surface on an inside diameter side thereof, a plurality of rollers arranged on the raceway surface, and a retainer arranged on the inside diameter side of the shell type outer ring and retaining the plurality of needle rollers. The shell type outer ring includes a movement restricting portion that restricts a movement of the retainer in an axial direction. When a diameter of the rollers is a length D1 and a wall thickness of the shell type outer ring is a length T1, the length D1 is not more than 2 mm, and a relationship of 0.5≤length D1/length T1<1.5 holds.
Claims16
A rolling bearing comprising:
- a shell type outer ring having a raceway surface on an inside diameter side thereof;
- a plurality of rollers arranged on the raceway surface;
- and
- a retainer arranged on the inside diameter side of the shell type outer ring and retaining the plurality of rollers;
- the shell type outer ring including a movement restricting portion that restricts a movement of the retainer in an axial direction,
- wherein when a diameter of the rollers is a length D1 and a wall thickness of the shell type outer ring is a length T1,
- the length D1 is not more than 2 mm,
- the length T1 is not less than 0.3 mm, and
- a relationship of 0.5≤length D1/length T1<1.5 holds.
Dependencies are inferred from the claim text.