SR188 Free Spin Fidget Bearing ABEC-5 Stainless Steel
1/4″ x 1/2″ x 1/8″ Open Type for Smooth, Dry Spin

The SR188 is a stainless steel, deep groove ball bearing designed for precision spinning and high-speed performance. With ABEC-5 tolerance and a dry, open design, this bearing is perfect for fidget spinners and other tools requiring ultra-smooth, friction-free rotation without lubrication.

Size: 1/4″ x 1/2″ x 1/8″
Inner diameter: 1/4″ (0.250″)
Outer diameter: 1/2″ (0.500″)
Width: 1/8″ (0.125″)
Material: Stainless steel
Closure: Open (dry spin, no seals or grease)
Precision rating: ABEC-5
Dynamic load rating: 108.2 KGF
Static load rating: 44.2 KGF
Quantity: 1 bearing

Why are ABEC-5 open bearings great for fidget spinners?
ABEC-5 bearings are manufactured to tighter tolerances for reduced vibration and friction. The open design eliminates seal drag and lubrication resistance,