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R20 Full Ceramic Bearing 1-1/4" x 2-1/4" x 1/2" inch - Silicon Nitride
R20 Full Ceramic Ball Bearing - Silicon Nitride
✔️ 1 1/4" ID x 2 1/4" OD x 1/2" wide, built for high-tech performance
This R20 full ceramic bearing is made entirely from Silicon Nitride (Si3N4), delivering superior strength, heat resistance, and zero corrosion. With a PTFE cage and ultra-hard ceramic balls and races, it's ideal for demanding environments like aerospace, medical, or cleanroom setups. Pack size: 1 bearing.
✅ Bearing type: Full ceramic deep groove
✅ Inner diameter: 1 1/4" inch
✅ Outer diameter: 2 1/4" inch
✅ Width: 1/2" inch
✅ Ball material: Silicon Nitride (Si3N4)
✅ Race material: Silicon Nitride (Si3N4)
✅ Cage material: PTFE (Polytetrafluoroethylene)
✅ Non-magnetic, corrosion-proof, and high-strength
✅ Quantity: 1 bearing
Dimensions (Inches):
| Inner (ID) | Outer (OD) | Width |
|---|---|---|
| 1 1/4" | 2 1/4" | 1/2" |
💡 Why are full ceramic Si3N4 bearings ideal for extreme applications?
They’re engineered to perform where metal bearings can’t survive.
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Silicon Nitride resists wear, heat, and corrosion
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Perfect for non-lubricated or high-speed operation
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Non-conductive and lightweight for sensitive equipment
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Common in aerospace, vacuum chambers, and precision instruments
Looking for a bearing that runs clean and lasts longer? This Si3N4 ceramic option is your no-rust, no-fail solution, order now and upgrade your setup!