Heavy Duty DIY CNC Linear Rail Kit With 2 SBR20-200mm Rails 4 SBR20UU Carriage Blocks 4 Stop Collars And 20mm Shaft Fix Rings For Smooth Motion And Tight Tolerances

Hard-working CNC Linear Rail Kit with dual SBR20 rails
✔️ 2x SBR20-200mm rails, 4x SBR20UU blocks, 4 stop collars, 4 rings

This complete linear rail kit delivers smooth, precise motion for DIY CNC routers, lathes, and laser cutters, with reliable guidance and tight tolerances.

✅ 2x SBR20-200mm rails made of carbon steel with quenching and tempering for wear resistance
✅ 4x SBR20UU bearing blocks with four-point contact for even load distribution
✅ 4x end stops to prevent blocks from sliding off the rails
✅ 20mm shaft fix rings for secure mounting and precise alignment
✅ High-precision linear motion with rigid assembly and tight tolerances
✅ rust-resistant surface treatment for durability in shop environments

💡 What is a pillow block bearing used for in precision motion systems?

This handy piece helps support rotating shafts and keeps them aligned in compact setups. - pillow block bearing for CNC machines supports shafts and keeps alignment tight - handy for linear rail and slide unit setups with durable housings - improves axial and radial load handling in precision tools - low-maintenance sealed options extend life in harsh shop conditions