Filter to Hide Top Admin Bar for All Users Except Admins in the Front End

/* Disable Admin Bar for Non Admins in Front End */
add_action('after_setup_theme', 'wpflt_admin_bar_hide');
function wpflt_admin_bar_hide() {
if ( !current_user_can ('administrator') && !is_admin() ) {
  show_admin_bar (false);
}}

Add this code to your functions.php to disable WordPress Admin Top bar for all Users except Admins in the Front End.