Bearing 20x37x9 Si3N4 Ceramic Balls Stainless Steel Sealed ABEC Seven Deep Groove Ball Bearing With Nylon Cage For High Precision Machinery And RC Applications Suitable For Robotics CNC Automation And Industrial Equipment

S61904 Ceramic Ball Bearing 20x37x9mm ABEC-7
✔️ Si3N4 ceramic balls, stainless steel races, nylon cage; ABEC-7, 1 pc

This is a high-precision open radial deep groove ball bearing that uses Si3N4 ceramic balls in stainless steel races with a nylon cage. It is a single unit designed for high-speed, precise rotation in compact motors, gearboxes, and precision tooling.

✅ Size: 20 x 37 x 9 mm (ID 20 mm, OD 37 mm, width 9 mm)
✅ Type: Open radial deep groove ball bearing
✅ Material: Stainless steel races, Si3N4 ceramic balls, nylon cage
✅ Precision: ABEC-7 quality (EMQ standard)
✅ Clearance: C3 radial clearance
✅ Pack: 1 bearing

💡 What is a pillow block bearing used for in machinery?

It provides shaft support and alignment in many industrial setups.

- Handy for mounting rotating shafts in conveyors, pumps, and automated systems.
- Useful for quick replacement and maintenance in equipment with frequent wear.
- Ceramic variants cut friction in high-speed or hot environments, extending life.