Mounting Flange/Base: Temperature Range -40°C to +150°C

Component Specifications

Definition

A precision-machined mounting flange or base component designed to securely anchor bearing blocks to machine frames or structures. It ensures proper alignment of bearing housings, maintains shaft positioning accuracy, and distributes operational loads across the mounting surface. Critical for vibration reduction, thermal stability, and maintaining bearing preload in rotating equipment.

Working Principle

Provides rigid mechanical interface between bearing blocks and machine structure through bolted connections. Distributes radial and axial loads from rotating shafts, maintains geometric alignment through precision mounting surfaces, and allows for thermal expansion compensation. Ensures bearing blocks remain fixed relative to machine axes while accommodating manufacturing tolerances through adjustable features.

Materials

Carbon steel (AISI 1045/4140), ductile iron (ASTM A536), stainless steel (AISI 304/316) for corrosive environments, aluminum alloys (6061-T6) for weight-sensitive applications. Surface treatments: zinc plating, powder coating, or anodizing for corrosion protection.

Technical Parameters

Parameter	Typical range	Notes & selection driver
Load Capacity	Dynamic: 5-50kN, Static: 10-100kN
Surface Finish	Ra 3.2μm or better
Temperature Range	-40°C to +150°C
Flatness Tolerance	0.05mm per 100mm
Corrosion Resistance	Salt spray test: 500+ hours
Mounting Hole Pattern	ISO standard bolt circles

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 113, ISO 2768, DIN 6885, DIN 502, ANSI/AGMA 9000

Parent Products

This component is used in the following industrial products

Bearing Blocks

Bearing blocks are rigid housings or supports that contain and position bearings within moving carriage/platform systems.

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Engineering Analysis

Risks & Mitigation

Misalignment causing bearing premature wear
Insufficient rigidity leading to vibration
Corrosion in harsh environments
Thermal expansion mismatch
Improper bolt torque causing joint failure

FMEA Triads

Trigger: Improper surface flatness or parallelism
Failure: Bearing misalignment leading to increased friction and heat generation
Mitigation: Implement precision machining with CMM verification, use alignment shims during installation

Trigger: Inadequate corrosion protection in humid environments
Failure: Surface degradation compromising structural integrity and mounting accuracy
Mitigation: Apply appropriate protective coatings, specify corrosion-resistant materials, implement regular inspection protocols

Trigger: Insufficient bolt preload or improper torque sequence
Failure: Joint loosening under dynamic loads causing vibration and positional drift
Mitigation: Use calibrated torque wrenches, follow specified torque sequences, implement periodic retorquing schedules

Industrial Ecosystem

Compatible With

Typical Suppliers & Equivalents

Compliance & Inspection

Tolerance

Geometric tolerances per ISO 2768-mK, flatness ≤0.05mm/100mm, positional tolerance of mounting holes ≤0.1mm

Test Method

Coordinate measuring machine (CMM) verification, surface plate inspection, dial indicator alignment checks, torque audit of fasteners, salt spray testing 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 Mounting Flange/Base

Manufacturer profiles associated with Mounting Flange/Base.

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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

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Frequently Asked Questions

What is the primary function of a mounting flange for bearing blocks?

The primary function is to provide a stable, precisely aligned mounting surface that securely attaches bearing blocks to machine structures while maintaining shaft alignment and distributing operational loads.

How do I select the right material for a mounting flange?

Material selection depends on load requirements, environmental conditions, and weight considerations. Carbon steel offers high strength for heavy loads, stainless steel provides corrosion resistance, while aluminum reduces weight in dynamic applications.

What alignment tolerances are critical for proper installation?

Flatness (typically 0.05mm/100mm), parallelism between mounting surfaces, and perpendicularity to shaft axes are critical. Misalignment beyond 0.1mm can cause premature bearing failure and vibration issues.

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.

Mounting Flange/Base