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The sixteen series of Aurora spherical bearings all incorporate the single-piece race type construction, providing excellent ball-to-race conformity and structural integrity, along with the advantages of metal-to-metal contact between bearing components. Standard race materials are low carbon, heat treated alloy or stainless steel. Balls are precision ground alloy or stainless steel. Metal on metal race units can be re-lubricated through an annular groove in the outer race with two interconnecting holes positioned at 180 degrees, while a self-lubricating PTFE to metal interface may also be optionally specified in many series. Inch or imperial sizes range from 3/16 inch through 6 inch bore, metrics from 3 through 160 mm. In addition to catalog offerings, non-standard materials substitutions and dimensional modifications are possible, to meet specific customer application requirements.
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