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碳鋼製同心扣環, 特殊耳型設計

IRTW Retaining Ring (IR Type｜JIS B 2804)

IRTW internal retaining rings are manufactured according to JIS B 2804 and designed for installation into internal grooves of mechanical components.
They are commonly used to secure bearings, washers, or other internal parts inside housings.

The ring features dual lugs for symmetrical engagement, allowing quick installation using snap ring pliers or pressing tools. Ideal for applications that require high clamping strength or are space-constrained.

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Product Features

  • Standard Compliance: JIS B 2804, DIN 472 also available

  • Installation: Fits into internal grooves to retain components securely

  • Precision Fit: High dimensional accuracy for reliable axial load resistance

  • Material Options:
     • S50C (Carbon Steel) – Blackened for corrosion resistance
     • SUS304 (Stainless Steel) – Excellent for corrosive environments

  • Size Range: For shaft diameters from Φ6mm to Φ100mm (custom sizes available)

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Applications

  • Internal locking of precision mechanical components

  • Retention of bearings and thrust washers

  • Gearbox and transmission assemblies

  • Power tools and home appliance structures

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Customization & Notes

  • Small quantity orders accepted

  • Specification code matching and custom sizes available upon request

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