Plumbing Supplies
5pcs NBR Oil Seal ID 17mm NBR Oil Seal TC-17 * 25/27/28/30/32 * 5/7/8/10mm Nitrile Rubber Shaft Double Lip Oil Gasket(17x26x5mm)
O-Rings Oil Seal
https://www.bizrate.co.uk/plumbingsupplies/5pcs-nbr-oil-seal-id-oid40418904231.html