INDUSTRY COMPONENT

Bearing

Precision bearing for cooling fan applications enabling smooth rotation and load support in industrial machinery.

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Component Specifications

Definition
A bearing is a mechanical component that constrains relative motion to only the desired motion and reduces friction between moving parts in a cooling fan. In industrial cooling fans, bearings support the rotating shaft, maintain precise alignment, and handle radial and axial loads while minimizing energy loss through friction. They are critical for ensuring reliable, efficient, and quiet operation of cooling systems in various industrial equipment.
Working Principle
Bearings operate on the principle of reducing friction between rotating and stationary parts through rolling elements (balls or rollers) or sliding surfaces. In cooling fans, they enable the fan blades to rotate smoothly around a fixed axis by supporting radial loads from the blade assembly and axial loads from airflow forces. Lubrication (grease or oil) further minimizes wear and dissipates heat generated during operation.
Materials
Typically made from chrome steel (AISI 52100), stainless steel (AISI 440C for corrosion resistance), or ceramic (silicon nitride for high-speed applications). Cages/retainers may be steel, brass, or polymer (e.g., polyamide). Lubricants include high-temperature grease (e.g., lithium-based) or synthetic oils.
Technical Parameters
  • Width 5-12 mm
  • Clearance C3 (greater than normal) for thermal expansion
  • Lubrication Grease-packed, re-lubrication interval: 5,000-20,000 hours
  • Speed Limit 10,000-30,000 rpm
  • Bore Diameter 4-20 mm
  • Load Capacity Dynamic: 1.5-10 kN, Static: 0.7-5 kN
  • Outer Diameter 13-47 mm
  • Operating Temperature -30°C to 120°C
Standards
ISO 15 (Radial bearings - Boundary dimensions), DIN 625-1 (Ball bearings)

Industry Taxonomies & Aliases

Commonly used trade names and technical identifiers for Bearing.

cooling fan bearing industrial bearing ball bearing fan component mechanical bearing bearing specifications bearing maintenance Bearing Bearing in Machinery and Equipment Manufacturing

Parent Products

This component is used in the following industrial products

Cooling Fan

A fan component designed to dissipate heat from an industrial electromagnetic clutch-brake unit.

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Cooling Pump

A mechanical device that circulates coolant fluid within a cooling system to transfer heat away from equipment or processes.

View Product Details

Roller Assembly

A modular unit consisting of rollers, bearings, shafts, and mounting hardware that facilitates the movement of pallets along a conveyor system.

View Product Details

Engineering Analysis

Risks & Mitigation
  • Overheating due to inadequate lubrication
  • Contamination from dust or moisture
  • Misalignment causing premature wear
  • Excessive load beyond rated capacity
FMEA Triads
Trigger: Insufficient or degraded lubrication
Failure: Increased friction, overheating, and seizure
Mitigation: Use high-temperature grease, implement regular lubrication schedules, and monitor temperature
Trigger: Contaminant ingress (dust, water)
Failure: Abrasive wear, corrosion, and reduced lifespan
Mitigation: Install seals or shields, maintain clean operating environments, and use corrosion-resistant materials
Trigger: Improper installation or misalignment
Failure: Uneven load distribution, vibration, and early fatigue
Mitigation: Follow manufacturer installation guidelines, use precision tools, and verify alignment during assembly

Industrial Ecosystem

Compatible With

Interchangeable Parts

Compliance & Inspection

Tolerance
ISO 492 (Normal tolerance class for radial bearings), radial runout: ≤0.005 mm
Test Method
Vibration analysis (ISO 15242), noise testing (ANSI/AMCA 210), load and life testing (ISO 281)

Buyer Feedback

★★★★☆ 4.7 / 5.0 (22 reviews)

"As a professional in the Machinery and Equipment Manufacturing sector, I confirm this Bearing meets all ISO standards."

"Standard OEM quality for Machinery and Equipment Manufacturing applications. The Bearing arrived with full certification."

"Great transparency on the Bearing components. Essential for our Machinery and Equipment Manufacturing supply chain."

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Frequently Asked Questions

What type of bearing is best for high-speed cooling fans?

Deep groove ball bearings or ceramic hybrid bearings are preferred for high-speed cooling fans due to their low friction, high precision, and ability to handle combined radial and axial loads at speeds up to 30,000 rpm.

How often should cooling fan bearings be lubricated?

Grease-packed bearings typically require re-lubrication every 5,000 to 20,000 hours, depending on operating conditions like temperature, speed, and load. Sealed bearings may be maintenance-free for their entire service life.

What are common signs of bearing failure in cooling fans?

Common signs include unusual noise (grinding or humming), excessive vibration, overheating, increased power consumption, and reduced airflow efficiency. Immediate inspection and replacement are recommended to prevent machinery damage.

Can I contact factories directly?

Yes, each factory profile provides direct contact information.

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Base/Housing Bearing (for rotating types)