A searchable guide to the complete WordPress Icon Library (@wordpress/icons) package from Gutenberg.
import { Icon, bell } from '@wordpress/icons';
<Icon icon={bell} />
<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" aria-hidden="true" focusable="false"><path fill-rule="evenodd" clip-rule="evenodd" d="M17 11.5c0 1.353.17 2.368.976 3 .266.209.602.376 1.024.5v1H5v-1c.422-.124.757-.291 1.024-.5.806-.632.976-1.647.976-3V9c0-2.8 2.2-5 5-5s5 2.2 5 5v2.5ZM15.5 9v2.5c0 .93.066 1.98.515 2.897l.053.103H7.932a4.018 4.018 0 0 0 .053-.103c.449-.917.515-1.967.515-2.897V9c0-1.972 1.528-3.5 3.5-3.5s3.5 1.528 3.5 3.5Zm-5.492 9.008c0-.176.023-.346.065-.508h3.854A1.996 1.996 0 0 1 12 20c-1.1 0-1.992-.892-1.992-1.992Z"></path></svg>
bell – WordPress Icon Library