Industry-Verified Manufacturing Data (2026)

Carriage Housing

Based on aggregated insights from multiple verified 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.

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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
    Prevents contamination (dust, chips) from entering and retains lubrication within the housing.
    Material: Rubber or Polyurethane
  • Lubrication Fitting / Port
    Allows for the introduction of grease or oil to lubricate the internal rolling elements and raceways.
    Material: Steel
  • Mounting Holes
    Provide the interface for securing the carriage housing to the machine structure using bolts or screws.
    Material: Same as housing base material
Engineering Reasoning
0-150°C temperature, 0-100 N·m torsional load, 0-50 μm axial deflection
Material yield strength at 250 MPa stress, 200°C thermal deformation threshold, 0.1 mm permanent deformation
Design Rationale: Von Mises stress exceeding AISI 440C stainless steel yield strength (250 MPa) due to combined torsional and axial loading, or thermal expansion mismatch (CTE 10.2×10⁻⁶/°C) causing binding at guide rail interface
Risk Mitigation (FMEA)
Trigger Hard particle contamination (ISO 4406 Class 14/11/8) entering rolling element raceway
Mode: Brinnelling damage on raceway surface creating 5-20 μm deep indentations
Strategy: Integral labyrinth seals with 0.05 mm clearance and IP67-rated wiper seals
Trigger Thermal gradient exceeding 50°C across housing length causing differential expansion
Mode: Housing warpage creating 0.02-0.05 mm/m straightness deviation
Strategy: Symmetric rib design with uniform 8 mm wall thickness and thermal stress relief annealing at 650°C for 2 hours

Industry Taxonomies & Aliases

Commonly used trade names and technical identifiers for Carriage Housing.

precision linear guide carriage housing carbon steel carriage housing for machinery stainless steel linear guide housing carriage housing with mounting holes industrial linear motion carriage housing

Applied To / Applications

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

Precision Linear Guide / Bearing Block
View system integration details

Industrial Ecosystem & Supply Chain DNA

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

Verified manufacturers with capability to produce this product in China

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✓ 94% Supplier Capability Match Found

P Project Engineer from United Arab Emirates Jan 01, 2026
★★★★★
"Standard OEM quality for Machinery and Equipment Manufacturing applications. The Carriage Housing arrived with full certification."
Technical Specifications Verified
S Sourcing Manager from Australia Dec 29, 2025
★★★★★
"Great transparency on the Carriage Housing components. Essential for our Machinery and Equipment Manufacturing supply chain."
Technical Specifications Verified
P Procurement Specialist from Singapore Dec 26, 2025
★★★★★
"The Carriage Housing we sourced perfectly fits our Machinery and Equipment Manufacturing production line requirements."
Technical Specifications Verified
Verification Protocol

“Feedback is collected from verified sourcing managers during RFQ (Request for Quote) and factory evaluation processes on CNFX. These reports represent historical performance data and technical audit summaries from our B2B manufacturing network.”

12 sourcing managers are analyzing this specification now. Last inquiry for Carriage Housing from Thailand (37m ago).

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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 Specifications verified by CNFX Industrial Index (v2.6.03) for Machinery and Equipment Manufacturing sector.

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