uxcell 5pcs MR104ZZ Deep Groove Ball Bearing 4x10x4mm Chrome Steel Miniature Bearing Double Sealed Precision Bearing P5 (AB EC 5)

MR104ZZ Bearings - (Inner diameter=4mm, outer diameter=10mm, thickness=4mm) Bearing Steel Material - Chrome steel bearings provide superior strength, hardness, abrasion resistance and corrosion resistance, providing reliable support and optimum performance in a variety of applications DOUBLE METAL SHIELD BEARINGS - Provides a physical barrier against large particles and moderate amounts of dirt and dust, extending the life of the bearing and maintaining optimum performance AB EC 5 PRECISION BEARINGS - Provides smoother rotation and less friction compared to lower rated bearings with lower manufacturing tolerances. The Z4 noise level makes it especially suitable for high noise requirements WIDE APPLICATION - Widely used in various high-speed motors, gearboxes, fans, mixers, juicers, treadmills, massagers, manipulators, RC cars, office equipment, machine tools, etc

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