10pcs Flanged Ball Bearings F682ZZ–F689ZZ Chrome Steel ZZ Shield

JARBLUE 10-Pack Flanged Ball Bearings — F682ZZ to F689ZZ Series

Upgrade your builds with precision-engineered flanged ball bearings from JARBLUE. This 10-piece set covers the popular F682ZZ through F689ZZ series (plus extended variants), making it ideal for hobbyists, engineers, and repair technicians who need reliable, low-friction rotation in tight spaces. The integrated flange lip simplifies installation and prevents axial displacement — no extra retaining hardware required.

Why Choose These Flanged Bearings?

• Chrome Steel (Gcr15) Construction: High-grade bearing steel delivers excellent hardness, wear resistance, and long service life.
• Double Metal Shields (ZZ): Pre-installed steel shields on both sides keep lubricant in and contaminants out, reducing maintenance needs.
• Oil Grease Lubrication: Factory-applied grease ensures smooth, quiet operation right out of the box.
• ABEC-1 / ABEC-5 Precision Rating: Available in standard and premium quality grades for a wide range of applications.
• Deep Groove, Single Row Design: Handles radial and moderate axial loads efficiently in a compact thin-wall profile.
• CE & RoHS Certified: Meets international quality and safety standards; no high-concern chemicals.
• Wide Size Variety: Choose from an extensive range of dimensions to suit your exact project requirements (see size chart below).

Available Sizes (Inner Ø × Outer Ø × Width)

Specifications

• Brand: JARBLUE
• Material: Chrome Steel Gcr15 (Bearing Steel)
• Lubrication: Oil Grease (pre-applied)
• Structure: Deep Groove, Single Row
• Shields: Double Metal (ZZ)
• Precision Rating: ABEC-1 / ABEC-5
• Quantity: 10 pieces per pack
• Certifications: CE, RoHS
• Country of Origin: Made in China

Common Applications

• 3D printers and CNC machines
• RC cars, drones, and hobby robotics
• Small electric motors and gearboxes
• Inline skates and scooters
• Medical equipment and lab instruments
• Industrial automation and conveyor systems

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Frequently Asked Questions

Q: What does "ZZ" mean on flanged ball bearings like F682ZZ or F688ZZ?

A: The "ZZ" suffix indicates that the bearing has double metal shields on both sides. These steel shields protect the internal raceways and pre-applied grease from dust, debris, and moisture, making ZZ flanged ball bearings suitable for most general-purpose and light industrial applications without additional sealing.

Q: What is the difference between ABEC-1 and ABEC-5 precision ratings?

A: ABEC-1 is a standard-grade tolerance suitable for everyday machinery and hobby projects. ABEC-5 is a higher precision grade with tighter dimensional tolerances, ideal for applications requiring smoother operation and lower vibration levels, such as CNC spindles, precision instruments, or high-speed electric motors.

Q: Are these flanged ball bearings compatible with 3D printers?

A: Yes — flanged ball bearings in the F682ZZ to F689ZZ size range are commonly used in popular 3D printer designs (e.g., extruder assemblies, idler pulleys, and axis carriage systems). Always verify the exact inner bore, outer diameter, and width dimensions match your printer's specifications before ordering.

Q: Can I order a larger quantity at a discounted price?

A: Yes. Volume purchase pricing is available. Please contact us directly for a separate quote tailored to your quantity requirements.

Production & Packaging Notice

To maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.