Patent ID: 8651746

Claim:
A rolling bearing comprising: an outer ring; an inner ring; a plurality of rolling elements disposed between the outer ring and the inner ring; and an outer ring guide type retainer having a plurality of pockets for retaining the plurality of rolling elements at predetermined intervals in the circumferential direction, wherein grooves extending in the axial direction are formed on the outer circumferential face of the retainer, and in a case that the displacement amount of the center of the retainer is xo, the outer diameter of the retainer is Doc, the guide diameter of the outer ring is Dog, the circumferential width of the groove is h, the guide clearance between the outer ring and the retainer is ΔLc, and the clearance between the pocket and the rolling element is ΔP, the following relational expressions: [ Mathematical ⁢ ⁢ expression ⁢ ⁢ 1 ] ⁢ x o = 1 2 ⁢ ( D oc - D og + D og 2 - h 2 - D oc 2 - h 2 ) ( 1 ) [ Mathematical ⁢ ⁢ expression ⁢ ⁢ 2 ] ⁢ Δ ⁢ ⁢ L o + 2 ⁢ ⁢ x o Δ ⁢ ⁢ P < 1 ( 2 ) are satisfied.