Bearing seat device

A bearing seat device comprising:

• a bearing seat having
• a mounting hole,
• an adjusting slot that is spatially communicated with said mounting hole, and
• an inserting hole that is spatially communicated with said adjusting slot, said adjusting slot dividing a section of said bearing seat that is adjacent to said inserting hole and said mounting hole into a first side compartment and a second side compartment, said inserting hole extending from said first side compartment to said second side compartment;
• a bearing set mounted in said mounting hole;
• a driven module extending into said mounting hole, supported by said bearing set, and being rotatable relative to said bearing seat;
• and
• an adjusting member engaging said inserting hole, and being operable to adjust a width of said adjusting slot between said first and second side compartments and a diameter of said mounting hole;
• wherein said bearing seat further has a top end portion;
• wherein said mounting hole of said bearing seat extends along a central axis, said adjusting slot extending radially from said mounting hole with respect to the central axis toward said top end portion of said bearing seat, and being not in spatial communication with said top end portion of said bearing seat;
• and
• wherein a length of said mounting hole along the central axis is equal to a length of said adjusting slot along the central axis.