INDUSTRY COMPONENT

Rolling Elements (Balls)

Precision spherical rolling elements in release bearings that enable smooth rotational motion and load transfer.

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Component Specifications

Definition
Rolling elements, specifically balls, are precision-engineered spherical components within release bearings that facilitate rotational motion by reducing friction between moving parts. They transmit radial and axial loads while maintaining precise alignment between bearing races, ensuring efficient power transmission in clutch systems.
Working Principle
Rolling elements operate on the principle of rolling contact mechanics, where spherical balls rotate between inner and outer bearing races, converting sliding friction into rolling friction. This reduces energy loss, minimizes wear, and distributes mechanical loads evenly across contact surfaces.
Materials
High-carbon chromium steel (AISI 52100/SUJ2), stainless steel (AISI 440C), ceramic (silicon nitride Si3N4), or hybrid combinations. Surface hardness: 58-65 HRC. Precision grinding to Grade 3-10 per ISO 3290.
Technical Parameters
  • Sphericity ≤0.0005mm
  • Load Capacity Dynamic: 2-15kN, Static: 1-8kN
  • Surface Roughness Ra ≤0.01μm
  • Temperature Range -40°C to +150°C
  • Diameter Tolerance ±0.001mm to ±0.005mm
Standards
ISO 3290, DIN 5401, ABMA/ANSI B3.12

Industry Taxonomies & Aliases

Commonly used trade names and technical identifiers for Rolling Elements (Balls).

bearing balls rolling elements release bearing components precision steel balls clutch bearing parts automotive bearings Rolling Elements (Balls) Rolling Elements (Balls) in Motor Vehicle Manufacturing

Parent Products

This component is used in the following industrial products

Release Bearing

A bearing that disengages the clutch by moving the pressure plate away from the friction disc.

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Engineering Analysis

Risks & Mitigation
  • Brinelling from shock loads
  • Spalling due to material fatigue
  • Corrosion in harsh environments
  • Contamination-induced wear
FMEA Triads
Trigger: Insufficient lubrication
Failure: Increased friction leading to overheating and seizure
Mitigation: Implement automated lubrication monitoring systems and use high-temperature grease
Trigger: Material impurities in steel
Failure: Surface pitting and premature spalling
Mitigation: Apply vacuum degassing during steel production and implement 100% magnetic particle inspection

Industrial Ecosystem

Compatible With

Interchangeable Parts

Compliance & Inspection

Tolerance
Grade 10 to Grade 3 per ISO 3290 (0.00025mm to 0.0025mm diameter variation)
Test Method
Coordinate measuring machine (CMM) verification, surface roughness testing, hardness testing (Rockwell C), and fatigue life testing per ISO 281

Buyer Feedback

★★★★☆ 4.8 / 5.0 (31 reviews)

"Standard OEM quality for Motor Vehicle Manufacturing applications. The Rolling Elements (Balls) arrived with full certification."

"Great transparency on the Rolling Elements (Balls) components. Essential for our Motor Vehicle Manufacturing supply chain."

"The Rolling Elements (Balls) we sourced perfectly fits our Motor Vehicle Manufacturing production line requirements."

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Frequently Asked Questions

What causes premature failure of rolling balls in release bearings?

Common causes include contamination (dirt/moisture), improper lubrication, excessive axial loads, material fatigue, and misalignment during installation.

Can ceramic balls replace steel balls in automotive release bearings?

Yes, ceramic balls offer advantages like higher temperature resistance, lower density, and corrosion resistance, but they require careful design considerations due to different elastic modulus and cost factors.

Can I contact factories directly?

Yes, each factory profile provides direct contact information.

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