Miniature ball bearings are available ball bearings of quite small size. These miniature ball bearings have a 3mm inner diameter, a 8mm outer diameter, and a 4mm thickness. Ball bearings of this size are ideal for precision work and applications that require a lot of functional mechanical parts in a small space, such as 3D printer, quadcopter or modelifications: Material: Bearing Steel Inner Diameter: 3mm / 0.12″ Outer Diameter: 8mm / 0.31″ Thickness: 4mm / 0.15″ Quantity: 10pcsPackage Includes: 10 × BearingsNote: 1. New bearings might have a slow speed at first, it will be quicker after several times use; If you want to keep your bearings a lengthen lifespan, please keep bearings clean, dry and maintain with slushing oil and lubricating oil regularly. 2. Slushing oil can make the bearings anti-rust, lubricants oil can reduce noise and abrasion, but the oil will slow down the bearing rotating speed, if you don’t want to, you can use degreaser to remove the grease according to your needs. 3. This bearing are only suitable for children over 8 years old. Please keep them far away from children under 8 years old to avoid choking.
10pcs 693ZZ Micro Steel Deep Notch Ball Bearing 3x8x4mm Miniature Double Shield Bearing
$19.99
- High Quality — These miniature bearings are made of high quality bearing steel for low noise and long service life
- Double Shield — They are double shielded to avoid contaminants entering and save lubricant
- Micro Size — Bearings have a 3mm inner diameter, a 8mm outer diameter, and a 4mm thickness
- Widely Used — These are great for small hobby 3mm shaft/rod projects such as 3D printer, quadcopter or ship model
- Value Pack — There comes total 10 pieces miniature bearings which you may use for many different projects
In stock
Additional information
| Weight | 0.01 kg |
|---|---|
| brand | Walfront |
| mpn | EXPSFN020604 |
| dimensions | 10 x 7 x 1 cm |