SR188ZZ Free Spin ABEC-7 Ceramic Si3N4 High precision Stainless Steel Fidget Ball Bearing 1/4" x 1/2" x 3/16"

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):