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12mm Diameter Linear Bearing Pillow Block [SBR12UU] ID: 1183Make your robot or CNC move on our Aluminum Slide Rail with this sliding linear ball-bearing platform AKA pillow block. The slider is 39mm x 36mm and has four holes tapped for M5 machine screws so you can attach pretty much anything you want. This slider has a plastic interior with Unique Bargains Open Square SBR12UU 12mm Linear Motion BallFree Shipping. Buy Unique Bargains Open Square SBR12UU 12mm Linear Motion Ball Bearing Slide Block Silver Tone at Walmart.comSBR10UU or SBR12UU Linear Slide Block - RobotDiggSBR12UU Slide Linear Block Bearing Aluminum housing + LM12UU-OP linear ball bearing Working with SBR series linear railTEN-HIGH Linear Rail CNC Parts SBR12 12mm, Fully SupportedTEN-HIGH Linear Rail CNC Parts SBR12 12mm, Fully Supported Linear Rail, SBR12UU Block Bearing: Amazon.com: Industrial & ScientificSBR12UU Open Linear Bearing Block : MAKERALOT, Maker ToolsSBR12UU Open Linear Bearing Slider Model: SBR12UU Overall Size: 41 x 39 x 28mm Built in open type linear bearing LM12UU-OP Shaft Diameter: 12mm