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L= Light preload
Well suited for porous and/or acidic surfaces
Designed for the bonding of cylindrical fitting parts
Single row angular contact ball bearings are self retaining units with solid inner and outer rings and ball and cage assemblies with polyamide
Dynamic: 42
687 550 056 R21/SC Single Lip Nitrile Rotary Shaft Oil Seal with Garter Spring 5.1/2x6.7/8x9/16 Inch Shields L= Light preloadSeals 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
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