I’ve gotten a new tv that’s 55 inches and 50 pounds in weight, and I have a pre existing 4x1 kallax unit that’s mounted horizontally (exactly with ikea given instructions) on my wall. Would the unit be able to support the 50 pound tv resting on it?

Unit for reference: https://www.ikea.com/us/en/p/kallax-shelf-unit-white-00275848/

Tv for reference: https://www.amazon.com/dp/B0885F5GMP/ref=cm_sw_r_cp_api_i_5OVtFbQ8FXKQY