10pcs Miniature Sealed Metal Ball Model: 604 ZZ 4x12x4MM

model: 604 ZZ
Colour: silver
Material: metal
Size: 4 x 12 x 4MM(Inner Diameter x Outer Diameter x Thickness)
Bearings reduce friction by providing metal balls or rollers and a inner and outer metal surface for the balls to roll against.These balls or rollers "bear" the load, allowing the device to spin smoothly.

Package Contents:
10pcs x Bearings

Only the above package content, other products are not included.
Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.

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