Spindle drive, and comfort drive having a spindle drive

A spindle drive (10) comprising

• a gear housing (15) which is connected to a drive motor (12), the gear housing (15) having a housing main body (16;
• 16a) and at least one housing cover (18;
• 18a, 20;
• 20a) which is connected to the housing main body (16;
• 16a), the housing main body (16;
• 16a) and the at least one housing cover (18;
• 18a, 20;
• 20a) delimiting a receiving space (24) for a drive element (25) which interacts with the drive motor (12), the drive element (25) being connected to a spindle (28) which penetrates the receiving space (24),
• means (37) for arranging the drive element (25) in the receiving space (24) in a manner which is free from axial play, the means (37) being arranged in a receiving region (39) in the receiving space (24), and
• at least one element (40;
• 40a) which makes setting of the size of the receiving region (39) possible via a threaded connection (45;
• 45a) which is configured on the element (40;
• 40a) and the housing main body (16) or the at least one housing cover (18a, 20a) and runs coaxially with respect to a rotational axis (32) of the spindle (28).