R188 Premium Chrome Steel Bearing – High Speed, Low Friction, Wide Application

This R188 miniature bearing is made of high-grade chrome steel, offering superior hardness, wear resistance, and long service life without deformation under high-speed rotation.

Thanks to precision manufacturing, it delivers ultra-low friction and super smooth rotation, resulting in longer idle time – perfect for micro rotating parts. The open-type structure allows excellent air
circulation and effective heat dissipation, ensuring stable performance during prolonged high-speed operation.

With standard R188 dimensions (6.35mm × 12.7mm × 3.175mm) and precise tolerance, it's easy to install and replace on various miniature equipment.

Widely compatible with:
Fingertip gyroscope, stress-reducing toys, precision motors, micro motors, model airplanes, model cars, drone micro shafts, precision instruments, instrument accessories, small hardware pulleys,
mini rollers, office equipment micro transmission parts, beauty & hair styling small appliances, and more.