Standard seals (S) - Our standard seals are in direct contact with the rail surface, giving them increased dustproof and lubcrication retenion capabilities. cpc recommends this class of seal for blocks that operate in environments high in foreign particles, such as sawdust, for long periods of time. S-type seals will have a compratively higher friction then B-Type seals.
Low friction seals (B) - Our low-friction seals have slight contact with the rail and are suitable for most environments, with both low friction and a scraper function.
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