550 475 050 R21/SC Single Lip Nitrile Rotary Shaft Oil Seal with Garter Spring 4.3/4x5.1/2x1/2 Inch Open Reference speed: 2 000

Reference speed: 2 000

Series: 365

Width T: 15

0625 inch / 77

developed to be the first choice for design

550 475 050 R21/SC Single Lip Nitrile Rotary Shaft Oil Seal with Garter Spring 4.3/4x5.1/2x1/2 Inch Open Reference speed: 2 000Seals are ideal for excluding dirt, dust, water or any other contaminant whilst retaining lubricant in rotary shaft equipment. They are generally used as a means of protecting the bearings of rotating shafts. The term nitrile rubber is used for acrylonitrile butadiene rubber (NBR). This material has very good engineering properties and is a general purpose sealing lip material. It is a copolymer manufactured from acrylonitrile and butadiene that