2PCS 6903 Ceramic Bearing 17x30x7mm 6903-2RS Si3N4 Ceramic Ball Bearing ABEC-5
$21.55
- ✔Type: Hybrid ceramic ball bearing
- ✔ Material: Steel races + Si₃N₄ ceramic balls
- ✔ Precision: ABEC-3 rating (±0.005mm runout)
- ✔ Cage: PA66 polymer (low friction)
- ✔ Lubrication: Premium grease included
![RENGYI [2-Pack] 6203-2RS-3/4 6203-2rs-12 Deep Groove Radial Ball Bearing 3/4 in x 1.575 in x 0.4724 in (ID x OD x Width) | 19.05 mm x 40 mm x 12 mm (ID x OD x Width) with Double Rubber Seal](https://azproductreview.com/wp-content/uploads/2025/09/41jHZNa1l6L._SL500_-379x472.jpg)
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