Eachine 20pcs 3x12x4mm Deep V Groove Pulley Rail Ball Bearing Metal Sealed Guide Wire Pulley V623zz

Description: 20pcs 3x12x4mm Metal Sealed Guide Wire Line Track Deep V Groove Pulley Rail Ball Bearing V623ZZ Specification: Type V623ZZ Material High-carbon Steel Color Silver Inner Diameter 3mm/0.12'' Outer Diameter 12mm/0.47'' Thickness 4mm/0.15'' Width of Groove 2.5mm/0.09'' Depth of Groove 1mm/0.03'' Diameter of Groove 9.7mm/0.38'' Quantity 20pcs Features: Durable and practical. Good hardness and accuracy. Adapt to high speed, high load applications. Package Included: 20 x Ball Bearings More Details: