INDUSTRY COMPONENT

Ball Bearing

A precision ball bearing component used in furniture casters to reduce friction and enable smooth rolling motion.

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Component Specifications

Definition
A ball bearing is a rolling-element bearing that uses balls to maintain separation between bearing races, reducing rotational friction and supporting radial and axial loads. In furniture casters, it enables smooth 360-degree rotation and movement by minimizing friction between moving parts.
Working Principle
Works on the principle of rolling friction, where spherical balls roll between inner and outer races, converting sliding friction into rolling friction to reduce resistance and wear during rotation.
Materials
Typically made from chrome steel (AISI 52100), stainless steel (AISI 440C), or ceramic (silicon nitride). Races are hardened steel (HRC 58-62), balls are precision-ground to Grade 10-100, and retainers are often steel, brass, or polymer.
Technical Parameters
  • Width 4-10 mm
  • Sealing RS Rubber Seal or ZZ Metal Shield
  • Clearance C3 Normal
  • Speed Rating Up to 10,000 rpm
  • Bore Diameter 4-12 mm
  • Load Capacity 50-500 N
  • Outer Diameter 10-30 mm
Standards
ISO 15, ISO 3290, DIN 625-1

Industry Taxonomies & Aliases

Commonly used trade names and technical identifiers for Ball Bearing.

ball bearing furniture caster bearing rolling bearing chrome steel bearing low friction bearing caster component ISO 15 bearing Ball Bearing in Furniture Manufacturing

Parent Products

This component is used in the following industrial products

Furniture Caster

Swiveling wheel assembly for furniture mobility

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Engineering Analysis

Risks & Mitigation
  • Contamination leading to increased friction
  • Improper installation causing misalignment
  • Overloading beyond rated capacity
  • Corrosion in humid environments
FMEA Triads
Trigger: Dust or debris ingress
Failure: Increased friction, noise, and eventual seizure
Mitigation: Use sealed bearings (RS type), regular cleaning, proper installation environment
Trigger: Excessive axial or radial load
Failure: Raceway brinelling, ball deformation, reduced lifespan
Mitigation: Select bearings with appropriate load ratings, avoid overloading, distribute weight evenly
Trigger: Improper lubrication or dry running
Failure: Increased wear, overheating, premature failure
Mitigation: Use factory-lubricated bearings, periodic inspection, re-lubrication if unsealed

Industrial Ecosystem

Compatible With

Interchangeable Parts

Compliance & Inspection

Tolerance
ABEC 1 or ISO Normal class, radial runout < 0.005 mm
Test Method
ISO 15242 for vibration testing, load testing per ISO 76, dimensional verification per ISO 492

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.

Related Components

Outer Rail
The outer rail is the stationary component of a drawer slide system that mounts to the cabinet frame, providing a smooth gliding surface for drawer movement.
Safety Guards
Safety guards are protective barriers installed on furniture assembly lines to prevent operator contact with moving parts and hazardous areas.
Wheel
A furniture caster wheel is a swiveling wheel assembly that enables smooth movement and positioning of furniture items.
Swivel Fork
Swivel fork is the rotating component in furniture casters that enables 360-degree directional movement.

Frequently Asked Questions

What is the main function of a ball bearing in furniture casters?

The ball bearing reduces friction between rotating parts, enabling smooth 360-degree rotation and easy movement of furniture while supporting both radial and axial loads.

How do I select the right ball bearing for furniture casters?

Consider load capacity, speed requirements, environmental conditions (moisture/dust), and compatibility with caster dimensions. Chrome steel bearings are standard; stainless steel offers corrosion resistance for damp environments.

What maintenance do ball bearings in furniture casters require?

Most are sealed and lubricated for life. Periodic inspection for smooth rotation and cleaning of debris is recommended. Avoid excessive side loads that can cause premature 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.

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