Bearing Housing Cavity: Cavity Diameter 10-100 mm

Component Specifications

Definition

The bearing housing cavity is a critical structural feature within linear bearing blocks, designed to precisely accommodate and secure rolling elements (such as balls or rollers) and their retainers. This cavity maintains proper alignment, distributes loads evenly, and provides lubrication channels to ensure minimal friction and wear during linear motion applications in industrial machinery.

Working Principle

The cavity creates a controlled environment where rolling elements circulate under load, converting sliding friction into rolling friction. This reduces energy loss, heat generation, and wear while maintaining precise linear guidance along shafts or rails.

Materials

Typically made from hardened steel (e.g., AISI 52100, 440C), stainless steel (e.g., 304, 316), aluminum alloys (e.g., 6061-T6), or engineered polymers (e.g., POM, PTFE composites) depending on load, speed, and environmental requirements.

Technical Parameters

Parameter	Typical range	Notes & selection driver
Hardness	58-62 HRC (steel)
Load Capacity	Dynamic: 5-50 kN, Static: 10-100 kN
Surface Finish	Ra 0.4-1.6 μm
Cavity Diameter	10-100 mm
Roundness Tolerance	≤0.005 mm

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 14728, DIN 636

Parent Products

This component is used in the following industrial products

Linear Bearing Blocks

Structural housing units that mount and support linear bearings, providing precise linear motion guidance.

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Engineering Analysis

Risks & Mitigation

Cavity deformation under overload
Contamination leading to premature wear
Misalignment causing uneven load distribution
Corrosion in harsh environments

FMEA Triads

Trigger: Improper lubrication
Failure: Increased friction and overheating
Mitigation: Implement automated lubrication systems and regular maintenance schedules.

Trigger: Cavity geometry deviations
Failure: Reduced motion accuracy and vibration
Mitigation: Apply statistical process control (SPC) during machining and use precision measurement tools.

Industrial Ecosystem

Compatible With

Typical Suppliers & Equivalents

Compliance & Inspection

Tolerance

Geometric tolerances per ISO 1101, dimensional tolerances per ISO 286

Test Method

Coordinate measuring machine (CMM) inspection, surface roughness testing, hardness testing per ASTM E18

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

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Manufacturers of Bearing Housing Cavity

Manufacturer profiles associated with Bearing Housing Cavity.

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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 bearing housing cavity?

To precisely house rolling elements, maintain alignment under load, and facilitate smooth linear motion by minimizing friction.

How does material selection affect cavity performance?

Material impacts wear resistance, load capacity, corrosion resistance, and thermal stability—steel for high loads, aluminum for lightweight applications, polymers for corrosion resistance.

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.

Bearing Housing Cavity