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  1. SophieLiz

    Bearing selection for vertical shaft

    Tmoose, I thought about NKIA 5904 or 7304-B. gruntguru: I had checked the Lazy Susan in my research. I thought about it as a thrust bearing for the chair and then the shaft (20 mm diameter)would go through the middle of it and would still need another bearing for radial support. Am I...
  2. SophieLiz

    Bearing selection for vertical shaft

    Good mornign Mike, Thank you for your reply. I said below 100 rpm, not 100. I know that is too fast for a person, I have used it myself. I just wanted to say it was low rpm ;) My mistake using such a high boundary for low RPM... I am not a mechanical engineer so bearing and shaft design...
  3. SophieLiz

    Bearing selection for vertical shaft

    Hi, I have a chair with a vertical shaft that is rotated by an electric motor (low speed <100 RPM) Both shafts are small, mounted vertically, and connected by a flexible coupling, as in the attachment. I intend to use a bearing to support the weight of the chair. Although the thrust load is...

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