Description
HS Magnet’s custom ferrite ring magnet (outer Ø 53 mm × inner Ø 24 mm × height 11 mm) is precision-manufactured from high-grade ceramic (BaFe/SrFe) material. Combining cost-effective performance with excellent thermal and chemical stability, this ring magnet is perfectly suited for a wide range of industrial and consumer applications.
Key Features
- Material & Magnetic Properties
• Ferrite (Hard Ceramic)
• Remanence (Br): ≈ 0.35 T
• Maximum energy product (BHₘₐₓ): 3.0–4.0 MGOe
• Coercivity (Hcb): ≥ 1200 kA/m
• Operating temperature up to 250 °C - Dimensions & Tolerances
• Outer diameter: 53 mm
• Inner diameter: 24 mm
• Thickness: 11 mm
• Standard tolerance: ± 0.1 mm (custom ± 0.02 mm available) - Magnetization Options
• Axial (through thickness)
• Radial (inner vs. outer face)
• Multi-pole segmentation (2–32 poles) - Surface Finish & Coatings
• Standard: uncoated ceramic surface
• Optional: epoxy, nickel, zinc or custom paint for enhanced corrosion resistance - Custom Fabrication
• CNC machining: holes, slots, countersinks
• Special shapes: chamfers, bevels, keyways
• Small runs to high-volume production








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