In SharePoint 2013, Outlook ,Calendar, People, Newsfeed, One Drive are collectively called called Suitebar. To hide the suitebar,you can place the following scripts in Script Editor web part.
<script language=”javascript”>
_spBodyOnLoadFunctionNames.push("Hidesuite");
function Hidesuite()
{
document.getElementById(‘suiteLinksBox‘).style.visibility = 'hidden';
}
</script>
Steps
1. Edit the Page
2. Insert Script Editor Web part and paste the scripts
3. Check in the Page
4. Publish the page.