10pcs 684ZZ Bearing 4x9x4 mm ABEC-5 Miniature Ball Bearings 684-2Z bicycle parts | Спорт и развлечения

10pcs 684ZZ Bearing 4x9x4 mm ABEC-5 Miniature Ball Bearings 684-2Z bicycle parts | Спорт и развлечения

684ZZ bearing is a kind of multi-purpose miniature bearing.

684ZZ Shielded Ball Bearing, Bearing IS made of Bearing Steel, each bearing has 2 Metal Shields to protect the bearing from dust or any possible contamination, also bearing is pre-lubricated with grease.

It widely used in precision instruments, Minimotor, remote control model, etc industries.

Bearings reduce friction by providing smooth metal balls or rollers and a smooth inner and outer metal surface for the balls to roll against.

These balls or rollers "bear" the load, allowing the device to spin smoothly.

Material: Bearing Steel

Size:4 x 9 x 4mm(Inner Diameter x Outer Diameter x Thickness)

Color:Silver

Model: 684ZZ

Package included:

10 x Miniature Ball Bearings

Note: Light shooting 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.