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

★★★★★ 4.9 99 reviews

$23.99
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$23.99
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Free shipping Free 30-day returns

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Product details

Management number 218193650 Release Date 2026/05/03 List Price $9.60 Model Number 218193650
Category

Product Note: Seal cap colors are randomly assorted—each variant meets the same high-performance standards, guaranteeing consistent quality across all units. Package Includes: 2 × 6903 ABEC-5 Precision Hybrid Bearings (dimensions: 17x30x7mm). Engineered for reliability, reduced friction, and long-term durability, these bearings are ideal for precision applications.

  • ✔Type: Hybrid ceramic ball bearing
  • ✔ Material: Steel races + Si₃N₄ ceramic balls
  • ✔ Precision: ABEC-5 high precision tolerance
  • ✔ Cage: PA66 polymer (low friction)
  • ✔ Lubrication: Premium grease included
UPC 711202205307
Model 6903
Brand Name HMMBW
Item Weight 20 Grams
Part Number 6903
Bearing Type Ball Bearing
Manufacturer Shanghai
Material Type Si3N4+Bearing Steel
Bearing Number 6903 2RS
Item Thickness 7 Millimeters
Item Dimensions 1.18 x 1.18 x 0.28 inches
Outside Diameter 30 Millimeters
Compatible Lubricant Oil, Grease

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