



R8ZZ Bearing 1/2" x 1-1/8" x 5/16" inch - Shielded
UPC: 00193019036280
Deep Groove Ball Bearing
Closures: Metal Shields
Quantity: one Bearing
Quality: Electric Motor Quality
R8ZZ Bearing - Shielded Ball Bearing - Electric Motor Quality
✔️ 1/2" x 1-1/8" x 5/16" - Chrome Steel - Double Metal Shields
The R8ZZ Bearing is a high-precision, deep groove ball bearing built for electric motors and compact mechanical systems. With a 1/2" inner diameter and dual metal shields, it’s designed to handle light contamination while spinning freely at high speeds. Pre-greased and made from durable chrome steel, this bearing is ideal for tools, hobby equipment, and small motors.
✅ 1 shielded bearing per pack
✅ Size: 1/2" ID x 1-1/8" OD x 5/16" width
✅ Type: Deep groove radial bearing
✅ Material: Hardened chrome steel
✅ Closures: Double metal shields (ZZ)
✅ Lubrication: Pre-greased, self-lubricating
✅ Grade: Electric motor quality
✅ Dynamic load rating: 510.8 KGF
✅ Static load rating: 241.3 KGF
💡 When should you use shielded (ZZ) bearings instead of sealed ones?
Use shielded bearings when you want high-speed performance and only light dust protection.
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Great for enclosed or low-contaminant environments
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Ideal for power tools, drills, fans, and RC applications
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Offers lower rolling resistance than rubber-sealed bearings
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Helps extend motor life with smooth, consistent rotation
Need a small but tough bearing for high-speed gear? Pick up this R8ZZ Bearing and keep your motor running clean, cool, and quiet!