Description：

Type：Carbon Steel Bearing

Size：3*8*3mm/4*12*4 mm/5*14*5 mm/6*17*6mm

Material: Bearing steel

These miniature bearings are made of high quality bearing steel for low noise and long service life.

They are double shielded to avoid contaminants entering and save lubricant.

Bearings have a 3mm inner diameter, a 8mm outer diameter, and a 4mm thickness.

These are great for small hobby 3mm shaft/rod projects such as 3D printer, quadcopter or ship model.

There comes total 10 pieces miniature bearings which you may use for many different projects.

Package include: 10pcs x Carbon Steel Bearing