An adjustable solar assembly, comprising: a plurality of piles secured to a ground surface, each of the piles having an upper end; a plurality of first support frames, each of the first support frames having a first structural support member extending in a longitudinal direction of the support frame; a plurality of first solar energy collection devices supported by the plurality of first support frames, respectively; and a plurality of spherical bearing assemblies disposed at the upper ends of the plurality of piles, each of the spherical bearing assemblies supporting one of the plurality of first support frames so as to be pivotal about at least a first axis, each of the spherical bearing assemblies further comprises: a vertical adjustment device configured to allow a vertical position of said spherical bearing assembly to be adjusted relative to the pile, a lateral adjustment device configured to allow a lateral position of said spherical bearing assembly to be adjusted relative to the pile, and an angular adjustment device configured to allow a central axis of said spherical bearing assembly to be adjusted relative to an axis of the pile, the angular adjustment device comprises a bearing housing and a bearing member, the bearing member is pivotable/rotatable about the central axis and the bearing member is also pivotable/rotatable in a different direction relative to the axis of the pile. a plurality of piles secured to a ground surface, each of the piles having an upper end; a plurality of first support frames, each of the first support frames having a first structural support member extending in a longitudinal direction of the support frame; a plurality of first solar energy collection devices supported by the plurality of first support frames, respectively; and a plurality of spherical bearing assemblies disposed at the upper ends of the plurality of piles, each of the spherical bearing assemblies supporting one of the plurality of first support frames so as to be pivotal about at least a first axis, each of the spherical bearing assemblies further comprises: a vertical adjustment device configured to allow a vertical position of said spherical bearing assembly to be adjusted relative to the pile, a lateral adjustment device configured to allow a lateral position of said spherical bearing assembly to be adjusted relative to the pile, and an angular adjustment device configured to allow a central axis of said spherical bearing assembly to be adjusted relative to an axis of the pile, the angular adjustment device comprises a bearing housing and a bearing member, the bearing member is pivotable/rotatable about the central axis and the bearing member is also pivotable/rotatable in a different direction relative to the axis of the pile. a vertical adjustment device configured to allow a vertical position of said spherical bearing assembly to be adjusted relative to the pile, a lateral adjustment device configured to allow a lateral position of said spherical bearing assembly to be adjusted relative to the pile, and an angular adjustment device configured to allow a central axis of said spherical bearing assembly to be adjusted relative to an axis of the pile, the angular adjustment device comprises a bearing housing and a bearing member, the bearing member is pivotable/rotatable about the central axis and the bearing member is also pivotable/rotatable in a different direction relative to the axis of the pile.