Bearing - 686 2Z -618/6- CX

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€0,37 / pcs €0,31 excl. VAT Measure price:
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12. 10. 2026
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Bearing - 686 2Z -618/6- CX

6 × 13 × 5 mm. 686 2Z (618/6) CX miniature deep-groove ball bearing with non-contact metal shields on both sides for low friction and lubricant protection.

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Product detailed description

Bearing - 686 2Z -618/6- CX

686 2Z CX, also listed under the alternative designation 618/6, is a miniature single-row deep-groove ball bearing with metal shields on both sides. Its dimensions are 6 × 13 × 5 mm (bore × outside diameter × width).

Key features

  • 2Z design: two non-contact metal shields help retain lubricant and limit the ingress of larger contaminants while keeping friction low.
  • Miniature size: suitable for small shafts and designs with very limited installation space.
  • Versatile construction: carries radial loads and moderate axial loads in both directions.
  • Dual designation: 686 and 618/6 identify the same dimensional series; when replacing, also verify the 2Z shielding and CX manufacturer.

Typical applications

Small electric motors, instruments, model mechanisms, precision mechanics, fans and other compact rotating assemblies.

Installation and selection

Use clean tools and apply mounting force only through the ring being press-fitted. Protect the metal shields from denting. For replacement, verify the 686 2Z / 618/6 2Z designation, 6 × 13 × 5 mm dimensions, clearance, accuracy and operating conditions.

Additional parameters

Category: Bearings
Inner diameter d (mm): 6
Outer diameter D (mm): 13
Width B (mm): 5

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We can arrange delivery of almost any CX product, even if it is not currently listed in our catalogue.

Send us the designation, a photo of the nameplate, dimensions or a description of the application, and we will check availability.

CX – product identification and supply

The CX designation may appear on different technical products and spare parts. To identify the exact item reliably, we therefore work from the complete marking and the available technical data.

The exact item should be selected by its complete designation and technical parameters. Dimensions, design, material and operating conditions are important when matching a replacement.

For an accurate quotation, please provide the full marking, required quantity and any available documentation. We will compare the specification and verify a suitable delivery option.