INDUSTRY COMPONENT

Pivot Bearing

Precision rotational bearing for dancer arm tension control systems in industrial machinery

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Component Specifications

Definition
A specialized pivot bearing designed for dancer arm assemblies in tension sensor systems, providing smooth rotational movement with minimal friction while maintaining precise angular positioning under variable loads. This component enables accurate tension measurement and control by allowing the dancer arm to pivot freely in response to material tension changes.
Working Principle
Utilizes rolling elements (balls or rollers) between inner and outer races to reduce friction during rotational movement. The bearing supports radial and axial loads while maintaining precise alignment, allowing the dancer arm to pivot smoothly in response to tension variations in the material being processed.
Materials
Bearing steel (AISI 52100/SUJ2), stainless steel (AISI 440C) for corrosive environments, ceramic balls (Si3N4) for high-speed applications, PTFE or nylon retainers
Technical Parameters
  • Width 10-30 mm
  • Clearance C3 to C5
  • Speed Rating Up to 10,000 rpm
  • Load Capacity Dynamic: 5-50 kN, Static: 10-100 kN
  • Inner Diameter 10-50 mm
  • Outer Diameter 30-90 mm
  • Precision Grade ABEC 3 to ABEC 7
  • Operating Temperature -30°C to +120°C
Standards
ISO 15, ISO 355, DIN 625-1, DIN 628-1

Industry Taxonomies & Aliases

Commonly used trade names and technical identifiers for Pivot Bearing.

pivot bearing dancer arm bearing tension sensor bearing industrial bearing precision bearing mechanical component manufacturing equipment Pivot Bearing in Machinery and Equipment Manufacturing

Parent Products

This component is used in the following industrial products

Dancer Arm / Tension Sensor

A mechanical-electrical component that measures and regulates wire tension in continuous processing systems.

View Product Details

Dancer Arm or Tension Sensor

A mechanical-electrical component that measures and regulates material tension in decoiling/uncoiling systems.

View Product Details

Engineering Analysis

Risks & Mitigation
  • Bearing seizure due to inadequate lubrication
  • Premature wear from misalignment
  • Contamination ingress leading to failure
  • Fatigue failure under cyclic loading
FMEA Triads
Trigger: Inadequate lubrication or contamination
Failure: Increased friction, overheating, and eventual bearing seizure
Mitigation: Implement regular lubrication schedules, use proper seals, and maintain clean operating environments
Trigger: Misalignment during installation
Failure: Uneven load distribution leading to premature wear and reduced bearing life
Mitigation: Use precision alignment tools during installation and verify alignment periodically
Trigger: Excessive load or shock loading
Failure: Brinelling or fatigue failure of bearing components
Mitigation: Proper sizing for application loads, use of shock-absorbing mounts, and load monitoring systems

Industrial Ecosystem

Compatible With

Interchangeable Parts

Compliance & Inspection

Tolerance
Radial runout: ≤0.005 mm, Axial runout: ≤0.003 mm, Bore tolerance: h6, Outer diameter tolerance: g6
Test Method
ISO 15242-1 for vibration testing, ISO 281 for load rating verification, dimensional inspection per ISO 1132-2

Buyer Feedback

★★★★☆ 4.6 / 5.0 (33 reviews)

"Impressive build quality. Especially the technical reliability is very stable during long-term operation."

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

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

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Frequently Asked Questions

What is the primary function of a pivot bearing in a dancer arm system?

The pivot bearing enables smooth rotational movement of the dancer arm while maintaining precise positioning, allowing accurate tension measurement and control in material processing systems.

How often should pivot bearings be maintained in industrial applications?

Maintenance intervals depend on operating conditions, but typically range from 3-12 months for lubrication and 1-3 years for replacement, with more frequent checks in high-load or high-speed applications.

What materials are best for pivot bearings in corrosive environments?

Stainless steel (AISI 440C) bearings with appropriate seals or ceramic bearings provide excellent corrosion resistance in harsh environments.

Can I contact factories directly?

Yes, each factory profile provides direct contact information.

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