Home Forums 2019 Robot Help End caps vs through bore

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    • #533
      timdoyle1
      Participant

      Hi helpers,
      Can someone explain when to use End Caps vs through bore bearings to me? Ive read alot and watch a bunch of videos, but still struggling. In particular, the guides say “Through bore Unlike the end cap bearing, because a shaft can pass through bore bearings it can be used with the bearing pillow block to have a pivot between two fixed shaft ends.” What sort of use cases are we dealing with there?

      Thanks!

    • #537
      mcchesneyc
      Participant

      Have you watched this video? It gives a good rundown on uses of the various parts included in the First Global Rev kit.

      Check out our latest video covering the basics of 5mm Hex Shafting in the REV Robotics building system for FIRST Tech Challenge and FIRST Global teams! from FTC

      direct link on Youtube — https://youtu.be/BKQwQ3SyYmg

    • #538
      gymnast544
      Participant

      Hello, Thanks for suggesting the video I made. You cannot slide a 5mm hex shaft all the way through and end cap bearing, but you can with a through bore bearing. Through bore bearings are much commoner in my experience with Rev (On the Team USA 2018 robot, there were multiple through bore bearings but only 1 or 2 end cap bearings). End cap bearings can be used instead of shaft collars in some scenarios, as they constrain the shaft laterally along its axis. Shaft collars do the same thing.

    • #550
      timdoyle1
      Participant

      Thanks so much!

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