4 Pack LME20UU Linear Ball Bushing Set, Linear Motion Bearings for 20mm Shafts, 20x32x45mm Ball Bushings with Built In Seals for Smooth Precise Linear Movement

Linear Ball Bushing LME20UU for 20mm Shafts
✔️ Linear Motion Ball Bearing with Seals 4 PCS

This is a linear ball bushing designed to slide smoothly along 20 mm shafts for CNC machines, 3D printers, automation frames, and linear motion systems. Each unit uses recirculating balls with built-in rubber seals to keep motion clean and consistent. Pack size is four bearings.

✅ Pack size includes 4 linear ball bushings
✅ Bearing type linear motion ball bushing LME20UU
✅ Designed for 20 mm linear shafts
✅ Built-in rubber seals help keep dust out
✅ Five ball circuits for smooth, stable travel
✅ Supports steady linear movement with low friction
✅ Handy for CNC, automation, and motion-guided assemblies

Dimensions
Inner diameter 20 mm
Outer diameter 32 mm
Length 45 mm

Load Ratings
Dynamic load 559 N
Static load 971 N

💡 Why are linear ball bushings used in precision linear motion systems?
They allow smooth, repeatable travel along shafts while keeping friction low and motion accurate.

• Recirculating balls support consistent linear movement

• Multiple ball circuits improve load distribution

• Sealed design helps extend service life in dusty setups

• Compact form fits common linear rail and shaft layouts

These LME20UU linear ball bushings are a handy choice when you need smooth sliding motion, reliable load handling, and clean performance in linear motion builds.