R188ZZ Deep Groove Ball Bearing 20 Pack 0.25 In Bore 0.5 In OD 0.1875 In Width Chrome Steel Double Shielded Z2 ABEC 1 High Speed Heat Resistant Mini Bearing For RC Hobbyists And DIY Projects

R188ZZ 1/4 In Bore Deep Groove Ball Bearing - 20 Pack
✔️ I.D. 6.35 mm (1/4 in), O.D. 12.70 mm (1/2 in), W 4.76 mm

R188ZZ is a compact, shielded deep groove ball bearing built from chrome steel for high-speed hobby and DIY applications. It’s commonly used in motors, RC models, micro gearboxes, and precision instruments where smooth rotation and long life matter.

R188ZZ is a compact, shielded deep groove ball bearing built from chrome steel for high-speed hobby and DIY applications. It’s commonly used in motors, RC models, micro gearboxes, and precision instruments where smooth rotation and long life matter.

✅ I.D. 6.35 mm (0.25 in), O.D. 12.70 mm (0.50 in), W 4.76 mm (0.1875 in)
✅ Material: Chrome steel GCr15 for durability under heavy loads
✅ Shielding: Z2 dual shields retain lubricant and block contaminants
✅ Tolerance: ABEC 1 (P0) for high-speed rotation
✅ Pack size: 20 bearings per package
✅ Applications: suitable for motors, toys, models, instruments, tools

💡 What is a deep groove ball bearing used for in hobby and DIY projects?

Rough intro sentence: These bearings are handy for smooth, low-friction rotation in small systems. - Supports radial loads in compact drives and hobby models - Reduces friction in RC cars, drones, and precision instruments - Handles high speeds and moderate temperatures common in DIY projects - Works with shielded designs to keep lubricant in and dirt out