ID 60-400mm TC/FB Skeleton Oil Seal Ring NBR Double Lip Seal for Rotation Shaft | eBay
224 Buna O-Ring, 70A Durometer, Black, 1-3/4" ID, 2" OD, 1/8" Width (Pack of 25): O Ring Seals: Amazon.com: Industrial & Scientific
NBR O-ring 390 x 5mm (OD 400mm) 70 Shore A [2 Pieces] | Tameson.com
CS 3.55mm Black Nitrile Rubber O-Ring NBR Oil Sealing Washer Gasket ID 5mm- 400mm | eBay
5.3mm Section Select ID from 103mm to 400mm VMQ Silicone O-Ring gaskets [SN-T] | eBay
Amazon.com: WYanHua-Gasket O Ring, Oil Resistant Acid and Alkali Resistant Sealing Gasket FPM O-Ring, Green FKM O Rings OD8mm~400mm*3.1mm Thickness/CS, Made : Industrial & Scientific