[Problem] To provide a motor and a manufacturing method of the motor capable of suppressing generation of creep noise.
[Means for Resolution] A motor (49) that drives piston pumps (45, 48) according to the invention of the present application includes: a motor housing (61); an output rotary shaft (50); a first bearing (66) that supports the output rotary shaft (50) and is arranged on a side of the piston pumps; a second bearing (67) that supports one end of the output rotary shaft (50) and is arranged on a side of a bottom portion (72) of the motor housing (61); and a bearing holder (80, 90) that is held by an inner wall of the motor housing (61) so as to hold the second bearing (67).