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Original Bearing
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EDT Bearing
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Bearing
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Standard ball bearing in cast iron pillow block housing
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NA1GE7-1-7/16, NA Poly-Round® insert with locking
sleeve in polymer housing
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Failure
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Water in bearing causes failure; housing rusts
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NA Poly-Round® and polymer housing both resist contamination
and rust
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Length of Service
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1 month
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12-18 months (guaranteed 1 year)
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Maintenance Required
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Re-lubrication 2-3 times/week. Frequent changeouts cause considerable
downtime
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No maintenance required
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Features & Benefits
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Low initial cost
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Longer, more reliable life; won't rust; lower cost of ownership
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