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Original Bearing
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EDT Bearing
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Bearing
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Ball bearing in cast iron housing
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NA2GE7-1 1/4 and NA1GC7-1, NA Poly-Round® Solutions®:
solid polymer insert with stainless locking sleeve in EDT polymer housing
(all sizes and styles are shown in EDT catalog section J)
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Failure
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Bearing fails due to corrosion and over- or under- greasing,
requires regular maintenance, components may rust and cause contamination
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NA Poly-Round® require no greasing or regular maintenance.
Bore will elongate over time, but insert can be changed out with housing
and sleeve being reused.
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Length of Service
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2-4 months (in washdown)
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12+ months (guaranteed application in washdown locations)
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Maintenance Required
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Regular greasing, and frequent change-outs
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Requires no interim maintenance after initial installation.
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Features & Benefits
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Low initial cost
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Lower maintenance, reduced maintenance cycles, lower ownership costs.
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1 Year GUARANTEED Application