Loose 8mm Tungsten Carbide Bearing Balls - 8mm (0.315") - Ultra Hard ATV Ball Bearing a standard bearing size with

a standard bearing size with dimensions commonly used across many industries: 7mm x11mm x 9mm

NKI20/16 Bearing

The inner diameter is 3mm

and a steel cage

Loose 8mm Tungsten Carbide Bearing Balls - 8mm (0.315") - Ultra Hard ATV Ball Bearing a standard bearing size withLoose 8mm Tungsten Carbide Ball Bearing G25 Grade 8mm (0. 315") Ultra Hard High Precision This 8mm tungsten carbide ball bearing is built for extreme durability, precision, and wear resistance. Rated at G25, it meets tight sphere tolerance standards and is ideal for high impact, high friction applications like check valves, tools, gauges, and ballizing. Diameter: 8mm (0. 315" inch) Material: Tungsten carbide (tungsten + carbon alloy) Grade: G25 (0.