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Retaining Ring/Groove Component – Machinery and Equipment Manufacturing

Component Specifications

Definition

A retaining ring is a fastener that holds components onto a shaft or in a housing/bore when installed in a machined groove. The groove provides a precise recess for the ring to seat, creating an axial shoulder that prevents movement. This system allows for easy assembly and disassembly without threading or additional fasteners, commonly used in rod glands and end caps to secure seals, bearings, or other internal parts.

Working Principle

The retaining ring is compressed or expanded to fit into the groove, then springs back to its original shape, locking into place. The groove's dimensions ensure the ring sits flush, creating a positive stop against axial movement. In rod glands/end caps, this prevents components from shifting under pressure or vibration.

Materials

Typically made from carbon steel (e.g., SAE 1070-1095), stainless steel (e.g., AISI 302/304), or beryllium copper for corrosion resistance. Material selection depends on load, environment, and temperature.

Technical Parameters

Groove Depth 0.3-2.0 mm
Groove Width 0.5-3.0 mm
Temperature Range -40°C to 120°C
Axial Load Capacity Up to 5000 N
Ring Diameter Range 5-100 mm

Standards

ISO 8750, DIN 471, DIN 472, ANSI B27.6

Industry Taxonomies & Aliases

Commonly used trade names and technical identifiers for Retaining Ring/Groove.

Parent Products

This component is used in the following industrial products

Rod Gland/End Cap

A sealing and structural component at the end of a hydraulic or pneumatic cylinder rod.

View Product Details

Engineering Analysis

Risks & Mitigation

Groove wear leading to ring dislodgement
Improper installation causing ring failure
Corrosion in harsh environments reducing strength

FMEA Triads

Trigger: Incorrect groove dimensions or surface finish
Failure: Ring slips out of groove, allowing component movement
Mitigation: Follow ISO/DIN standards for groove machining and inspect with gauges

Trigger: Overloading beyond axial capacity
Failure: Ring deforms or fractures, losing retention
Mitigation: Calculate loads accurately and select rings with appropriate specifications

Industrial Ecosystem

Compatible With

Hydraulic cylinders, pneumatic actuators, pump shafts, bearing assemblies

Interchangeable Parts

Smalley, Rotor Clip, Truarc, Boker's

Compliance & Inspection

Tolerance

Groove depth tolerance ±0.05 mm, width tolerance ±0.1 mm per ISO 286

Test Method

Axial load testing per ISO 8748, salt spray testing per ASTM B117 for corrosion resistance

Procurement Evaluation Criteria

Not customer reviews or live demand data. These dimensions support RFQ preparation and supplier evaluation.

Technical documentation

4/5

Manufacturing capability

4/5

Inspection readiness

5/5

Supplier transparency

3/5

These scores are example evaluation dimensions, not real customer ratings, country-specific buyer feedback, or live inquiry activity.

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Frequently Asked Questions

What is the purpose of a retaining ring groove in a rod gland?

The groove provides a precise location for the retaining ring to seat, creating an axial stop that secures seals or bearings within the gland, preventing leakage or component displacement under pressure.

Can retaining rings be reused?

It is generally not recommended to reuse retaining rings, as they may lose spring tension or become deformed, compromising their holding ability and risking failure.

Can I contact factories directly?

Yes, each factory profile provides direct contact information.

Data Basis

CNFX manufacturer profiles, technical classification, publicly available product information, and ongoing plausibility checks.

Preliminary Technical Classification

This page supports structured research, RFQ preparation, and supplier evaluation. It does not replace buyer-led supplier qualification, standards review, or technical approval.

Retaining Ring/Groove