I looked for Hot beds and ceramic lamps but are expensive here (Argentina)
Tested the lamp & can 40' turned on (no fan) and was too hot (on the can. The base and the lamp were fine.
With the fan on, it never get hot. Ndo only get on a couple of minutes every hour
You can use a lower wattage or a...
I've made a heater using a lamp socket over a wood base and covering it with a peaches can.
I'm using a 40W lamp AND a stc-1000 for temp regulation.
I've a small PC fan pointing to the can, it never get too hoy and works outstandingly!
Without the fan, it gets hot.
Maybe using a smaller lamp...