Double Sealed Ceramic Ball Bearing With Si3N4 Ceramic Balls ABEC 5, Deep Groove Radial Bearing 20x37x9 Mm, Stainless Steel Construction With Nylon Cage Sealed Shielded for High Precision Machinery

This sealed radial ball bearing uses silicon nitride ceramic balls (Si3N4) in a stainless steel race with a nylon cage. It's designed for high-speed motion in CNC machines, 3D printers, robotics, and precision motors where long life and low friction matter.

✅ Bore: 20 mm, Outer: 37 mm, Width: 9 mm
✅ Ceramic balls: Si3N4, Cage: Nylon
✅ Double sealed with rubber RS seals for dust protection
✅ ABEC-5 precision, EMQ premium quality, grease SRL

💡 What is a sealed ball bearing used for in precision equipment? This handy choice is common in high-speed drives and precise motion systems. - Sealed design protects internal parts from dust and contaminants - Ceramic balls reduce friction and wear for longer life - ABEC-5 tolerances ensure smooth rotation at high speeds