8 Pack SBR12UU Linear Bearing Blocks 12mm Open Slide Long Block For SBR12 Linear Motion Shafts Guides And Slide Rails CNC Router 3D Printer Part Aluminum Silver Tone Pro Grade

8-Pack SBR12UU Aluminum Bearing Blocks for 12mm Rails
✔️ 8-pack aluminum SBR12UU bearing blocks for 12 mm rails

These aluminum SBR12UU linear bearing blocks are designed to pair with 12 mm SBR12 guides, delivering smooth, precise motion in CNC machines, 3D printers, and robotics.

✅ Total size: 38.8x38x28 mm / 1.53x1.50x1.10 in
✅ Inner diameter: 12 mm / 0.5 in
✅ Mounting hole diameter: 4 mm / 0.2 in
✅ Hole spacing: 25x27 mm / 1 x 1.1 in
✅ Package includes: 8 bearing blocks and 8 wrenches
✅ Material: Aluminum; Color: Silver Tone

💡 What is a linear bearing block used for in motion systems? A handy explanation for common setups. - Guides shafts along rails for smooth travel - Supports stable positioning in CNC and 3D printer builds - Reduces friction and wear for reliable motion

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