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Description: These flat bearing mounts attach to the face of a channel or plate and have a ball bearing with a 3/8” bore for shafts. They can be used in conjunction with angle brackets to be mounted inside channels or in other configurations. These bearing mounts have a width of 1.31”, a thickness of 0.20”, a 0.375” bore bearing, and utilize the 1.5” hub pattern.

Actobotics is a robotics building system based around extruded aluminum channels, gears, precision shafts, and ball bearings. Thanks to the two standardized hole patterns, nearly all Actobotics components can be intuitively connected together. The wide range of components makes building complex electromechanical prototypes or finished projects a reality.


  • Width - 1.31”
  • Thickness - 0.20”
  • Bore Bearing - 0.375”
  • Hub Pattern - 1.5”


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Customer Comments

  • I bought several of these to use for a garden novelty which consists of a auto engine metal radiator cooling fan which spins on a 3/8" metal rod. After trying various bearings which would last outdoors only a few months I tried these. These bearings (2/shaft) have been spinning 24/7 for at least 6 months now without the least sign of slowing down. This is outdoors through snow sleet and rain and here in the Midwest we have plenty of wind. Excellent product.

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