A toroidal-type continuously variable transmission, has: first and second
disks; a plurality of trunnions; a plurality of displacement shafts
respectively supported on associated trunnions; a plurality of power
rollers respectively interposed between the first and second disks; and,
a plurality of thrust bearings respectively interposed between the power
rollers and trunnions, each of the thrust bearings including an outer
ring, an inner raceway formed in the outer end face of the power roller,
a plurality of rolling elements, and a circular-ring-shaped retainer,
wherein, in case where the density of a retainer material constituting
the retainer is .rho..sub.d, the elastic modulus of the retainer material
is E.sub.d, the density of rolling element materials is .rho..sub.c and
the elastic modulus of the rolling element materials is
E.sub.c,.rho..rho..ltoreq. ##EQU00001## is satisfied.