200pcs Miniature Sealed Metal Shielded Metric Radial Bearing 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 smooth metal balls or rollers and a smooth inner and outer metal for the balls to roll against.These balls or rollers "bear" the load, allowing the device to spin smoothly.

Package Contents:
200pcs x Bearings

Only the above package content, other products are not included.
Note: Light reflection 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.