Rotor assembly with removable rollers

A pump rotor assembly for a peristaltic pump, the pump rotor assembly comprising:

• a hub configured to couple with a drive shaft of a pump, the drive shaft having an axis of rotation, the hub comprising at least a first hub interface surface that extends in an axial direction parallel to the axis of rotation and an axial face that is transverse to the axial direction;
• a first roller assembly comprising a first support frame, a first axle and a first roller, the first support frame defining a first arm, the first roller assembly configured to slide in the axial direction along the first hub interface surface, wherein the hub forms a first mating seat configured to receive and limit movement of at least a portion of the first arm;
• and
• a lock configured to couple with the hub, wherein the lock has a first position wherein the lock blocks the first roller assembly from separating from the first hub interface surface.