Linear Bearing KH1428 Ball Bushing For CNC Motion Sealed With 14 Mm ID 21 Mm OD 28 Mm Length 520 N Dynamic Load 620 N Static Load Lightweight 20.5 g Pack Of 10 Top Notch Pro Grade For Precise Smooth Linear Travel In CNC Projects

High-precision Linear Ball Bearing Pack for CNC Motion
✔️ KH1428: 14mm ID, 21mm OD, 28mm L; 20.5g; 10 pcs

These sealed linear bushings deliver smooth, precise straight-line motion when used with an LM shaft in CNC machines, precision instruments, OA equipment, and other automation gear.

✅ Inner diameter 14 mm; outer diameter 21 mm; length 28 mm
✅ Dynamic load 520 N; static load 620 N
✅ Weight 20.5 g per piece
✅ Pack of 10 pieces per lot
✅ Material: 52100 chrome bearing steel; surface roughness Ra 0.05
✅ Sealed design reduces friction and prolongs life

💡 What is a sealed ball bearing linear bushing and where does it fit in a motion system?

This handy component keeps straight-line travel steady in a variety of machinery. - Used with LM shafts to guide motion reliably - Reduces wear and maintains alignment in sliding assemblies - Common in CNC slides, measuring devices, and automation gear - Works with standard 14 mm ID x 21 mm OD bushings✝️