lego technic ball bearing. Alternative to lego part: 6322255 / 24121
Description
This is a lego technic ball bearing for heavy turrets with easy rotation. The original idea of the ball bearing is from the lego set 42082. The main parts for this ball bearing is the lego part 6322255 / 24121. This 3D printable part is an alternative with the advantage that it can be rotated from the outside and is thus more fixed and can be rotated with more force. In addition to my parts, you will need the following parts for the ball bearing: 8x lego 4121610 8x lego 4211639 16x lego 4164133 8x lego 6167281 8x lego 4295370 8x lego 6158469 OR 8x lego 21462 and 8x 4239601 8x leog 4211483 Dimensions: The outside radius is about 170mm. After printing, it is about 169,70mm and fully lego gear compatible. The height after printing is about 7,7 mm. In my experience, this height has worked best without stress inside the rest of the Lego structure and led to a fine and easy rotation of the ball bearing. It has 168 teeth. I recommend using a smaller and not driven rotaion mechanism in the middle for more stability: lego part: 6109285 + 6109283
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