magento2 – Get data from DB (load method) Magento 2

I have controller, template, view.
I need using load method, but i don`t know how i do that

        $post = $this->collectionFactory->create();
    $this->collectionFactory->load($post, 'id');
    return $this;

This code in controller don`t work. I have error
How i can get data from load() method ?(load method only)