End Caps / Flanges: Load Capacity 500-5000 N

Component Specifications

Definition

End caps and flanges are structural components mounted at the ends of tension control rollers to provide secure attachment points, maintain axial alignment, prevent lateral movement, and ensure proper load distribution across the roller assembly. They interface with bearings, shafts, and machine frames to create a stable rotating system for web tension control applications.

Working Principle

End caps provide a sealed housing for bearings and create a mounting interface between the roller and machine frame. Flanges distribute clamping forces evenly across the roller surface, preventing slippage and maintaining consistent tension across the web material. Together, they ensure the roller rotates concentrically while withstanding radial and axial loads during tension control operations.

Materials

Typically manufactured from carbon steel (AISI 1045, 4140), stainless steel (304, 316), aluminum alloys (6061-T6), or engineered plastics (POM, PEEK) depending on load requirements and environmental conditions. Surface treatments include zinc plating, powder coating, or hard anodizing for corrosion resistance.

Technical Parameters

Parameter	Typical range	Notes & selection driver
Bore Diameter	20-150 mm
Load Capacity	500-5000 N
Surface Finish	Ra 1.6-3.2 μm
Flange Diameter	50-300 mm
Temperature Range	-20°C to 150°C
Mounting Hole Pattern	4-8 bolt holes

Ranges are indicative industry figures for RFQ preparation, not a supplier commitment. Confirm every value and standard with the legal manufacturer before ordering.

Standards

ISO 286-2, DIN 5480, ISO 2768-m

Parent Products

This component is used in the following industrial products

Tension Control Rollers

Rollers designed to maintain precise tension on a moving strand or web within a guide system.

View Product Details

Central Manifold (Header Pipe)

A primary distribution or collection pipe that serves as the main conduit within a lower distributor/collector assembly.

View Product Details

Engineering Analysis

Risks & Mitigation

Misalignment causing uneven wear
Corrosion in humid environments
Fatigue failure under cyclic loading
Improper installation leading to bearing damage

FMEA Triads

Trigger: Improper bolt torque during installation
Failure: Flange loosening and roller misalignment
Mitigation: Use calibrated torque wrenches and follow manufacturer specifications

Trigger: Corrosive environment without proper protection
Failure: Material degradation and reduced structural integrity
Mitigation: Select corrosion-resistant materials and apply protective coatings

Trigger: Excessive radial loads beyond design limits
Failure: Cracking or deformation of end caps
Mitigation: Implement load monitoring systems and regular inspection protocols

Industrial Ecosystem

Compatible With

Typical Suppliers & Equivalents

Compliance & Inspection

Tolerance

H7/h6 fit for bore diameters, ±0.1 mm for flange dimensions, perpendicularity within 0.05 mm

Test Method

Dimensional inspection per ISO 2768, load testing per ISO 12100, corrosion resistance per ASTM B117

Procurement Evaluation Criteria

A practical evidence checklist for RFQ preparation and supplier evaluation.

Technical documentation

Request current drawings, revision history, and a signed specification sheet.

Manufacturing capability

Verify equipment lists, process limits, capacity, and representative production evidence.

Inspection readiness

Confirm test methods, calibrated equipment, sampling plans, and traceable reports.

Supplier transparency

Check the legal entity, factory address, ownership, certifications, and direct contacts.

CNFX does not score or rank suppliers. Buyers must verify all claims and documents with the legal manufacturer before ordering.

Manufacturers of End Caps / Flanges

Manufacturer profiles associated with End Caps / Flanges.

Sourcing End Caps / Flanges from China?

Tell us your specification and target quantity — we will match it against manufacturer records and come back with the factories that fit.

Request manufacturers We manufacture this

Manufacturer listings support early research and capability understanding. They are not certification, ranking, or transaction guarantees.

Compiled and source-reviewed by the CNFX editorial team. Each manufacturer above links to the page on that company's own website where the product is listed, with the date we checked it. How we source and review

Related Components

Upper Tool (Punch)

Upper Tool (Punch) is the active forming component in metal plate bending machines that applies precise downward force to create bends in sheet metal.

Main Frame

The main frame is the primary structural component of a hydraulic press, providing rigidity and stability to withstand high compressive forces during metal forming operations.

Shaft Bearing

Precision component supporting rotating shafts in vibration motors to reduce friction and maintain alignment.

Seal Groove

Precision-machined groove in aluminum bearing housings designed to accommodate sealing elements for fluid containment and contamination prevention.

Frequently Asked Questions

What is the difference between end caps and flanges on tension rollers?

End caps primarily house bearings and provide mounting interfaces, while flanges distribute clamping forces and prevent lateral movement of the roller.

How do I select the right material for end caps?

Consider load requirements, environmental conditions (corrosion, temperature), and compatibility with the roller material. Steel offers high strength, aluminum reduces weight, and plastics provide corrosion resistance.

What maintenance do end caps require?

Regular inspection for wear, proper lubrication of bearing surfaces, and checking bolt torque to prevent loosening under vibration.

Data Basis

Editorial classification, named public sources where available, and source-reviewed manufacturer records. See the editorial policy.

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.

End Caps / Flanges