INDUSTRY COMPONENT

Linear Bearing Housing

Linear bearing housing is a precision component that supports and aligns linear bearings on guide rods for smooth linear motion in industrial machinery.

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Component Specifications

Definition
A linear bearing housing is a structural component designed to securely mount and align linear bearings (such as ball bushings or plain bearings) on guide rods or shafts. It provides mechanical support, maintains proper bearing alignment, protects the bearing from contaminants, and often includes mounting features for integration into machine frames. These housings ensure precise linear motion with minimal friction and wear in applications requiring accurate positioning.
Working Principle
The housing rigidly fixes the linear bearing in position relative to the machine structure, allowing the bearing's internal rolling elements (balls or rollers) to move smoothly along the guide rod. This converts rotational or applied forces into controlled linear motion while distributing loads and preventing misalignment.
Materials
Typically made from aluminum alloys (e.g., 6061-T6 for lightweight applications), cast iron (for high rigidity and damping), or steel (for heavy loads). May include stainless steel for corrosion resistance or engineered plastics for specific environments.
Technical Parameters
  • Sealing Integrated seals or wipers for contamination protection
  • Lubrication Grease fittings or pre-lubricated designs
  • Bore Diameter Matches bearing OD (e.g., 12mm, 25mm, 40mm)
  • Load Capacity Dynamic/static load ratings (e.g., 500N to 20kN)
  • Mounting Type Flange, block, or pillow block
  • Precision Grade Standard or high precision
Standards
ISO 10285, DIN 645

Industry Taxonomies & Aliases

Commonly used trade names and technical identifiers for Linear Bearing Housing.

linear bearing housing linear motion component guide rod support bearing alignment industrial machinery parts linear bearing mount Linear Bearing Housing in Machinery and Equipment Manufacturing

Parent Products

This component is used in the following industrial products

Guide Rod / Linear Bearing

A precision mechanical component that provides linear guidance and support for moving parts within a material hold-down system.

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Engineering Analysis

Risks & Mitigation
  • Misalignment causing premature bearing wear
  • Inadequate load capacity leading to housing deformation
  • Contamination ingress reducing bearing life
  • Improper mounting resulting in vibration or noise
FMEA Triads
Trigger: Incorrect housing alignment during installation
Failure: Increased friction, uneven wear on bearing and guide rod
Mitigation: Use precision alignment tools and follow mounting procedures; verify parallelism and perpendicularity
Trigger: Overloading beyond housing specifications
Failure: Housing cracking or deformation, bearing seizure
Mitigation: Calculate operational loads accurately; select housing with appropriate safety factor; implement load monitoring

Industrial Ecosystem

Compatible With

Interchangeable Parts

Compliance & Inspection

Tolerance
Typically H7 or tighter for bore fit; mounting surface flatness within 0.01mm per 100mm
Test Method
Dimensional inspection via CMM, load testing per ISO 14728, environmental sealing tests

Procurement Evaluation Criteria

Not customer reviews or live demand data. These dimensions support RFQ preparation and supplier evaluation.

Technical documentation
4/5
Manufacturing capability
4/5
Inspection readiness
5/5
Supplier transparency
3/5

These scores are example evaluation dimensions, not real customer ratings, country-specific buyer feedback, or live inquiry activity.

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Frequently Asked Questions

What is the difference between a flange-type and block-type linear bearing housing?

Flange-type housings mount vertically to surfaces via side flanges, ideal for space-constrained applications. Block-type housings mount horizontally with base holes, offering stable support for heavier loads.

How do I select the right material for a linear bearing housing?

Choose aluminum for lightweight and corrosion-resistant needs, cast iron for vibration damping and high rigidity, or steel for maximum load capacity. Consider environmental factors like humidity or chemicals.

Can I contact factories directly?

Yes, each factory profile provides direct contact information.

Data Basis

CNFX manufacturer profiles, technical classification, publicly available product information, and ongoing plausibility checks.

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.

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Linear Ball/Roller Bearings Linear bearings