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Model: ts_roller_bearingPart Number: Roller Bearing
For DIY and Conversion of Dobsonian Telescopes
The rollers run evenly between two steel slats. The running resistance can be increased/reduced by adjusting the contact pressure (countering the upper and lower plates of the rocker box).
The result is smooth adjustment.
Diameter: 320mm
Central Hole Diameter: 12mm
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