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<title><![CDATA[EC21 Product Catalogs - sealed support roller]]></title>
<link><![CDATA[https://www.ec21.com/ec-market/sealed-support-roller--2644/1/sealed support roller.html]]></link><item>
<title><![CDATA[Non-metallic Rollers]]></title><link><![CDATA[https://langno.en.ec21.com/Non-metallic-Rollers--12031930_12031931.html]]></link><description><![CDATA[roller.
d bearing is a fully sealed maintenance-free bearing specially used for rollers, which has the advantages of flexible operation, long life and maintenance-free.
Main function
The main functio]]></description><pubDate><![CDATA[20241218]]></pubDate></item>
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<title><![CDATA[Api Standard 244.5mm IADC 637 Rock Drill Tricone Bits with Tungsten Carbide Inserts]]></title><link><![CDATA[https://senwell2008.en.ec21.com/Api-Standard-244.5mm-IADC-637--9714769_9714800.html]]></link><description><![CDATA[sealed bearing bits but also metal face sealed bearing bits, and all bits are lubricated by new type of wear resistant grease that can sustain high temperature up to 250&amp;deg;C. 
The surfaces of main ]]></description><pubDate><![CDATA[20170304]]></pubDate></item>
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<title><![CDATA[TCI(Tungsten Carbide Insert) Tricone Drill Bit for Hard Rock Formation Blasting Using]]></title><link><![CDATA[https://amyzhang86.en.ec21.com/TCI-Tungsten-Carbide-Insert--11743960_11744667.html]]></link><description><![CDATA[SEAL TYPE1Standard open bearing roller bit2Standard open bearing roller bit, air-cooled3Standard open bearing roller bit with gauge protection4Sealed roller bearing bit5Sealed roller bearing bit with]]></description><pubDate><![CDATA[20230310]]></pubDate></item>

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