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2PCS 6903 Ceramic Bearing 17x30x7mm 6903-2RS Si3N4 Ceramic Ball Bearing ABEC-5

2PCS 6903 Ceramic Bearing 17x30x7mm 6903-2RS Si3N4 Ceramic Ball Bearing ABEC-5
- ✔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
This 6903-2RS 17x30x7-millimeter sealed ball bearing has deep groove geometry for high speeds and supporting both radial and axial loads. Its premium steel construction makes it resistant to corrosion and high temperatures and it conforms to ABEC 5 precision standard for performance within a narrow range of variation. The rubber seals on both sides of the bearing keep lubricant in and contaminants out. The silicon nitride ceramic balls provide high durability, low density, high shock tolerance, and resistance to heat and fracturing.
Country USA
Brand HMMBW
Manufacturer Shanghai
Binding Unknown Binding
ItemPartNumber 6903
Model 6903
UnitCount 2
UPCs 711202205307
EANs 0711202205307
ReleaseDate 0000-00-00

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