Structured Manufacturing Data (2026)

Carriage Housing

Based on aggregated insights from structured factory profiles within the CNFX directory, the standard Carriage Housing used in the Machinery and Equipment Manufacturing sector typically supports operational capacities ranging from standard industrial configurations to heavy-duty production requirements.

Technical Definition & Core Assembly

A canonical Carriage Housing is characterized by the integration of End Seal / Wiper and Lubrication Fitting / Port. In industrial production environments, manufacturers listed on CNFX commonly emphasize Carbon Steel construction to support stable, high-cycle operation across diverse manufacturing scenarios.

The structural component that houses and supports the rolling elements in a precision linear guide system.

Product Specifications

Technical details and manufacturing context for Carriage Housing

Definition
The carriage housing is the main structural component of a precision linear guide's bearing block. It serves as the mounting interface for the linear guide system, providing a rigid platform to attach the moving load while containing and protecting the internal rolling elements (balls or rollers) and recirculation system. It ensures precise alignment with the guide rail and maintains the preload for smooth, accurate linear motion.
Working Principle
The carriage housing is rigidly mounted to the moving machine element. It contains internal raceways that align with the raceways on the stationary guide rail. Rolling elements circulate within the housing, transferring the load from the housing to the rail with minimal friction, enabling precise linear motion. The housing's geometry and mounting holes facilitate secure attachment and alignment.
Common Materials
Carbon Steel, Stainless Steel
Technical Parameters
  • Overall housing dimensions (length, width, height) and mounting hole pattern. (mm) Per Request
Components / BOM
  • End Seal / Wiper Part
    Prevents contamination (dust, chips) from entering and retains lubrication within the housing.
    Material: Rubber or Polyurethane
  • Lubrication Fitting / Port Part
    Allows for the introduction of grease or oil to lubricate the internal rolling elements and raceways.
    Material: Steel
  • Mounting Holes Part
    Provide the interface for securing the carriage housing to the machine structure using bolts or screws.
    Material: Same as housing base material

Industry Taxonomies & Aliases

Commonly used trade names and technical identifiers for Carriage Housing.

Applied To / Applications

This component is essential for the following industrial systems and equipment:

Industrial Ecosystem & Supply Chain Structure

Complementary Systems
Downstream Applications
Specialized Tooling

Application Fit & Sizing Matrix

Operational Limits
pressure: Max 50 MPa static load
other spec: Max linear speed: 5 m/s, Vibration tolerance: 15 g
temperature: -20°C to +120°C
Media Compatibility
✓ Industrial lubricants (grease/oil) ✓ Clean dry air environments ✓ Non-corrosive coolants
Unsuitable: Abrasive particulate slurry environments
Sizing Data Required
  • Required load capacity (N)
  • Guide rail cross-sectional dimensions (mm)
  • Operating stroke length (mm)

Reliability & Engineering Risk Analysis

Failure Mode & Root Cause
Bearing fatigue and seizure
Cause: Inadequate lubrication leading to metal-to-metal contact, contamination ingress, or excessive loading beyond design limits causing overheating and premature wear.
Housing cracking or distortion
Cause: Thermal stress from uneven heating/cooling cycles, mechanical overloading, or material fatigue due to cyclic operational stresses and vibration.
Maintenance Indicators
  • Abnormal grinding or screeching noises from the housing area during operation
  • Visible oil leaks or excessive heat radiating from the housing surface
Engineering Tips
  • Implement precision alignment during installation and regular laser alignment checks to minimize eccentric loading on bearings and housing
  • Establish a proactive lubrication management program with scheduled oil analysis to monitor contamination levels and lubricant degradation

Compliance & Manufacturing Standards

Reference Standards
ISO 286-2:2010 (Geometrical product specifications - Limits and fits) ASTM A370-24 (Standard Test Methods and Definitions for Mechanical Testing of Steel Products) DIN 7184-1:2016 (Plain bearings - Terms, definitions, classification and application)
Manufacturing Precision
  • Bore diameter: H7 tolerance (+0.021mm/0mm)
  • Mounting surface flatness: 0.05mm per 100mm
Quality Inspection
  • Dimensional verification using CMM (Coordinate Measuring Machine)
  • Magnetic particle inspection for surface crack detection

Factories Producing Carriage Housing

Manufacturer profiles with relevant production capability in China

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

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 materials are carriage housings typically made from?

Carriage housings are commonly manufactured from carbon steel or stainless steel, chosen for their strength, durability, and resistance to wear in industrial machinery applications.

What is the function of a carriage housing in a linear guide system?

The carriage housing serves as the structural component that houses and supports the rolling elements (like ball bearings) in a precision linear guide system, ensuring smooth, accurate linear motion.

What features are included in a standard carriage housing BOM?

A standard bill of materials for a carriage housing typically includes end seals or wipers to protect internal components, lubrication fittings or ports for maintenance, and pre-drilled mounting holes for secure installation.

Can I contact factories directly on CNFX?

CNFX is an open directory, not a transaction platform. Each factory profile provides direct contact information and production details to help you initiate direct inquiries with Chinese suppliers.

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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