50mm Ball Bushing With Steel Retainer SDM50GA For Linear Motion Bearing, 50mm Inner Diameter, 80mm Outer Diameter, 100mm Length, Compatible With 50mm Shafts, High Precision Guide Bushing For CNC Machines, Robotics And 3D Printers

50mm Ball Bushing SDM50GA: Steel Linear Bearing
✔️ Inner dia 50mm, outer 80mm, length 100mm, single unit, fits 50mm shaft

SDM50GA linear ball bushing provides smooth, low-friction motion on a 50 mm shaft. This sealed ball bearing design minimizes contamination and is widely used in CNC guides, small automation setups, and precise positioning stages where linear motion accuracy is critical.

✅ Inner diameter: 50 mm
✅ Outer diameter: 80 mm
✅ Length: 100 mm
✅ Shaft compatibility: fits 50 mm shaft
✅ Material: steel with steel retainer
✅ Dynamic load: Cr 3,820 N
✅ Static load: Cor 7,940 N
✅ Pack size: 1 bearing

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

These bearings keep shafts aligned and support loads in straight-line guides. - Handy for CNC, automation, and robotics projects - Improves shaft alignment and reduces wear over time - Works with sealed ball bearing and steel retainer configurations