Bushing/Bearing Housing: Bore Diameter 20-150 mm

Component Specifications

Definition

A bushing/bearing housing is a structural component designed to house and support bearings in machinery, specifically within outrigger boxes and mounts. It provides precise alignment, radial and axial load support, and protection from environmental contaminants. The housing maintains bearing position relative to shafts and adjacent components, ensuring optimal performance and longevity by minimizing misalignment and vibration.

Working Principle

The housing works by creating a rigid, accurately machined enclosure that holds bearings in place. It transfers operational loads from rotating shafts to the machine frame through the bearings, while maintaining proper internal clearances and alignment. This prevents bearing displacement, reduces friction, and ensures smooth rotation under varying load conditions.

Materials

Typically manufactured from cast iron (e.g., ASTM A48), ductile iron, or steel alloys (e.g., AISI 1045). May include bronze bushings or composite liners for specific applications. Surface treatments like phosphating or powder coating are common for corrosion resistance.

Technical Parameters

Parameter	Typical range	Notes & selection driver
Sealing	Lip seals, labyrinth seals, or V-ring seals
Housing Type	Pillow block, flange, or take-up
Bore Diameter	20-150 mm
Load Capacity	Dynamic: 10-100 kN, Static: 15-150 kN
Operating Temperature	-20°C to +120°C

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, DIN 5417, ISO 15, DIN 625

Parent Products

This component is used in the following industrial products

Outrigger Boxes / Mounts

Structural mounting components that provide stability and support for carrier chassis during stationary operations.

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Engineering Analysis

Risks & Mitigation

Misalignment leading to premature bearing failure
Inadequate lubrication causing overheating
Corrosion in humid environments
Fatigue cracking under cyclic loads

FMEA Triads

Trigger: Improper installation or alignment
Failure: Bearing seizure or excessive vibration
Mitigation: Use precision alignment tools during installation and follow manufacturer torque specifications

Trigger: Contamination ingress
Failure: Abrasive wear and reduced lifespan
Mitigation: Implement proper sealing systems and regular maintenance schedules

Industrial Ecosystem

Compatible With

Typical Suppliers & Equivalents

Compliance & Inspection

Tolerance

H7 for bore diameter, IT7 for housing dimensions

Test Method

Dimensional inspection per ISO 1101, load testing per ISO 76, vibration analysis per ISO 10816

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.

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Manufacturers of Bushing/Bearing Housing

Manufacturer profiles associated with Bushing/Bearing Housing.

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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 difference between a bushing and a bearing housing?

A bushing is a sleeve-type component that provides a bearing surface, while a bearing housing is a structural enclosure that holds and supports the entire bearing assembly. In outrigger applications, they often work together.

How often should bearing housings be inspected?

Inspect every 3-6 months under normal conditions, or more frequently in high-load or harsh environments. Check for wear, misalignment, and lubrication levels.

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.

Bushing/Bearing Housing