Sealed ABEC-5 Ceramic Ball Bearing With Si3N4 Ceramic Balls 30mm x 42mm x 7mm Stainless Steel With Nylon Cage Prevents Dust Ingress For High Precision Applications Such As RC Models Robotics And Precision Machinery
✔️ Sealed ABEC-5, Si3N4 ceramic balls, stainless steel, nylon cage
These sealed radial bearings use ABEC-5 precision and Si3N4 ceramic balls to deliver smooth, high-speed rotation in compact spaces. They’re commonly used in electric motors, 3D printers, CNC tools, and other precision equipment where reliable performance and long life matter.
| Dimension | Nominal |
|---|---|
| Inner diameter | 30 mm (1.181 in) |
| Outer diameter | 42 mm (1.654 in) |
| Width | 7 mm (0.276 in) |
✅ Bore 30 mm, outer diameter 42 mm, width 7 mm
✅ ABEC-5 precision rating for high-speed operation
✅ Si3N4 ceramic balls for low friction and heat resistance
✅ Nylon cage with stainless steel races
✅ Double rubber seals RS protect against dust and grease
💡 What is a sealed ball bearing with ceramic balls used for in precision equipment?
These handy parts protect and smooth motion in tight spaces.
- sealed ball bearing for high-speed precision tools
- ceramic Si3N4 balls reduce wear and heat
- ABEC-5 tolerance ensures consistent rotation