2 Pack SBR12LUU 12mm Linear Motion Slider Block With Graphite Copper Sleeve Inside For 12mm Linear Guide Rail Aluminum CNC Router Parts Self Lubricating High Temperature Wear Resistant Replacement

Two-Pack SBR12LUU 12mm Linear Slider Blocks with Graphite Sleeve
✔️ 2x SBR12LUU blocks, 12mm bore, graphite copper self-lubricating sleeve

These 2-pack slider blocks are built for 12mm linear guide rails and are ready to replace worn blocks on CNC routers, mills, lathes, and automated equipment. They deliver smooth motion with low friction in high-temp environments.

✅ 12mm bore with built-in graphite copper sleeve for self-lubrication and high-temperature wear resistance
✅ Aluminum alloy outer body keeps weight down while staying rigid
✅ Includes 2 pieces SBR12LUU slider blocks, ready to drop in
✅ Compatible with SBR rail systems in UU and LUU configurations

💡 What is a pillow block bearing used for in linear motion systems? This handy component helps support shafts and guide motion in CNCs, automation, and robotics.

• Supports shafts and aligns motion in CNC, robotics and automation
• Features self-lubricating graphite copper sleeve to lower maintenance
• Ideal for 12mm rail blocks and linear guides in routers and mills