I don't know whether these bulbs were too small or whether the socket was too big, but the size was right and they didn't fit.
Lamp LED Xiaomi Mi Smart LED Bulb Essential (MJDPL01YL), E27, 9 W, 6500 K
113 Review
Lamp LED Yeelight Smart LED Bulb W3 (YLDP005), E27, A60, 8 W, 6500 K
47 Review
Ceiling lamp Yeelight YLXD013-B, 50 W, number of lamps: 1 pcs., color: white
62 Review
Smart socket Yandex with Alice, black
30 Review