

S693-2RS Hybrid Ceramic Bearing Si3N4 3x8x4mm Premium ABEC-5 Miniature
UPC: 00193019215302
Type: Deep Groove Radial Ball Bearing
Dimensions: 3mm x 8mm x 4mm/Metric
Inner Diameter (ID): 3mm
Outer Diameter (OD): 8mm
S693-2RS Sealed Ceramic Ball Bearing - ABEC-5 Precision
✔️ 3mm ID x 8mm OD x 4mm wide, stainless steel with Si3N4 balls
The S693-2RS is a high-performance deep groove ball bearing featuring stainless steel rings and solid Si3N4 ceramic balls. Built to ABEC-5 standards, this bearing runs smooth, fast, and quiet. It's sealed on both sides with non-contact rubber seals and comes pre-lubricated with SRL-grade grease. Perfect for micro motors, RC, and 3D printer assemblies. Pack size: 1 bearing.
✅ Type: Deep groove radial ball bearing
✅ Inner diameter: 3mm
✅ Outer diameter: 8mm
✅ Width: 4mm
✅ Ball material: Si3N4 ceramic
✅ Race material: Stainless steel
✅ Closures: Non-contact rubber seals (2RS)
✅ Clearance: C0 (standard)
✅ Quality: Premium ABEC-5
✅ Lubrication: SRL grease (self-lubricated)
✅ Quantity: 1 bearing
Dimensions (Metric):
Inner (ID) | Outer (OD) | Width |
---|---|---|
3mm | 8mm | 4mm |
💡 Why are hybrid ceramic ABEC-5 bearings ideal for high-precision setups?
They deliver tight tolerance and low friction where it matters most.
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Ceramic balls spin smoother and lighter than steel
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ABEC-5 rating ensures high-speed stability and accuracy
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Rubber seals keep grease in and contamination out
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Great for spindles, RC hubs, and small electric motors
Need a compact, high-speed upgrade? Drop in this ceramic bearing and let your gear run like silk!