Four Pack 20mm Linear Bearing Slide Blocks SCS20UU Aluminum Bushing For DIY Printers And CNC Machines, 54mm L x 50mm W x 41mm H, M6 Mount Holes, Supports 882N Dynamic Load And 1370N Static, LM20UU Compatible, Smooth Rail Guide Shaft

Four Pack 20mm Linear Bearing Slide Blocks for DIY CNC
✔️ Supports 882N dynamic, 1370N static, LM20UU compatible

This four-pack includes four LM20UU-compatible 20 mm inner diameter linear bearing slide blocks. Built from high-density aluminum alloy and finished with an oxidation-resistant coating, they’re ready for DIY printers, CNC machines, and automation projects where smooth, precise linear motion is needed.

✅ Inner diameter 20 mm (0.79"), LM20UU compatible
✅ Block size 54 mm L x 50 mm W x 41 mm H (2.13" x 1.97" x 1.61"), M6 mounting holes
✅ Dynamic load rating 882 N; static load 1370 N
✅ Aluminum alloy housing with oxidation-treated surface for durability

💡 What is a 20mm linear bearing slide block used for in DIY CNC and printer setups?

Here's a handy, practical answer to help you decide if it's right for your build:

• Low friction, precise guidance along 20 mm rails
• LM20UU compatibility makes it easy to swap parts and upgrade
• Aluminum alloy housing resists corrosion in shop environments