Dimensions - D (outside diameter) | 21mm |
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Dimensions - B (width) | 4mm |
Nitrile rubber end cap seal 21mm outside x 4mm wide, also known as VK21x4
EC or VK end cap seals are a nitrile rubber to metal bonded cap commonly used on gear boxes
End caps are designed to fit directly on housing bores for rotary shaft lip seals, EC or VK end caps are primarily stocked in NBR nitrile rubber