SR188ZZ Free Spin ABEC-7 Ceramic Si3N4 High precision Stainless Steel Fidget Ball Bearing 1/4" x 1/2" x 3/16"inch
UPC: 00193019001875
Type: Fidget Ball Bearing
Quality: ABEC-7
Material: Stainless Steel
High Precision
SR188ZZ Free Spin Ceramic Ball Bearing - ABEC-7
✔️ 1/4" ID x 1/2" OD x 3/16" Width - Si3N4 Balls - Stainless Steel - Ultra High Precision
The SR188ZZ is a high-performance hybrid ceramic bearing designed for ultra-smooth, free-spin applications like fidget spinners, hobby devices, and precision tools. Built with stainless steel races and Si3N4 ceramic balls, this ABEC-7 bearing delivers top-tier speed and smoothness with double metal shields for protection.
✅ Pack size: 1 bearing
✅ Inner diameter: 1/4"
✅ Outer diameter: 1/2"
✅ Width: 3/16"
✅ Type: Deep groove radial - free spin
✅ Material: Stainless steel rings
✅ Balls: Ceramic (Silicon Nitride - Si3N4)
✅ Closures: Double metal shields (ZZ)
✅ Precision grade: ABEC-7
✅ Clearance: High-clearance for ultra-low friction
✅ Dynamic load rating: 108.2 kgf
✅ Static load rating: 44.2 kgf
✅ Use: Ideal for fidget spinners, micro motors, precision assemblies
Dimensions Table (Inches):
| Inner Diameter | Outer Diameter | Width |
|---|---|---|
| 1/4" | 1/2" | 3/16" |
💡 Why are ABEC-7 ceramic bearings perfect for free-spin applications?
They offer unmatched speed, precision, and smooth motion.
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Si3N4 ceramic balls reduce friction and resist wear
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ABEC-7 tolerances deliver near-silent performance
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High-clearance design ensures minimal resistance
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Perfect for high-RPM tools and fidget devices
Fast, frictionless, and engineered for smooth spinning - the SR188ZZ is your go-to bearing when only the best will do.