ceramic guide roller
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Silicon Nitride Ceramic Needle Bearings And Rollers
Compared with metal guide rolls and alloy guide rolls, silicon nitride ceramic guide rolls are high resistant to high temperature, high hardness, high toughness, impact resistance and oxidation resistance. At the same time, silicon nitride guide rolls are oil-free, self-lubricating, low in density and light in weight. The service life is ten times than the alloy guide roller.
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