Industry-Verified Manufacturing Data (2026)

Bearing Housing

Based on aggregated insights from multiple verified factory profiles within the CNFX directory, the standard Bearing Housing used in the Other Transport Equipment Manufacturing sector typically supports operational capacities ranging from standard industrial configurations to heavy-duty production requirements.

Technical Definition & Core Assembly

A canonical Bearing Housing is characterized by the integration of Sealing Groove and Mounting Flange. In industrial production environments, manufacturers listed on CNFX commonly emphasize Cast Steel construction to support stable, high-cycle operation across diverse manufacturing scenarios.

A structural component that supports and encloses bearings within a travel bogie assembly.

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Product Specifications

Technical details and manufacturing context for Bearing Housing

Definition
The bearing housing is a critical component of a travel bogie that provides a secure mounting structure for bearings, ensuring proper alignment, load distribution, and protection from contaminants. It maintains the position of bearings relative to the axle and bogie frame, facilitating smooth rotation and supporting the weight of the vehicle.
Working Principle
The bearing housing functions by securely holding bearings in place, allowing them to rotate freely while transmitting loads from the axle to the bogie frame. It provides structural rigidity, prevents misalignment, and often includes sealing mechanisms to protect bearings from dust, moisture, and debris.
Common Materials
Cast Steel, Ductile Iron, Forged Steel
Technical Parameters
  • Bore diameter for bearing fit, overall housing dimensions, and bolt hole patterns for mounting (mm) Customizable
Components / BOM
  • Sealing Groove
    Accommodates seals to prevent contamination of bearings
    Material: Same as housing
  • Mounting Flange
    Provides surface for bolting housing to bogie frame
    Material: Same as housing
  • Lubrication Port
    Allows for grease or oil lubrication of bearings
    Material: Same as housing
Engineering Reasoning
0-150°C temperature, 0-100 kN radial load, 0-50 kN axial load, 0-3000 RPM rotational speed
Material yield strength exceeded at 250 MPa von Mises stress, 0.5 mm permanent deformation, 200°C thermal limit for steel, 0.1 mm radial clearance loss
Design Rationale: Fatigue failure from cyclic Hertzian contact stresses exceeding 1.8 GPa at bearing raceways, thermal expansion mismatch (α=11.7×10⁻⁶/°C steel vs α=23×10⁻⁶/°C aluminum), fretting corrosion at interference fits exceeding 0.05 mm slip amplitude
Risk Mitigation (FMEA)
Trigger Misalignment exceeding 0.1° angular deviation from shaft axis
Mode: Edge loading on bearing races causing localized spalling and vibration increase of 5 dB
Strategy: Precision machined locating surfaces with 0.01 mm flatness tolerance and dowel pin alignment
Trigger Inadequate lubrication film thickness below 1 μm at operating temperature
Mode: Metal-to-metal contact causing adhesive wear and temperature rise of 30°C above ambient
Strategy: Forced oil circulation system with 0.5 L/min flow rate and 40 μm filtration

Industry Taxonomies & Aliases

Commonly used trade names and technical identifiers for Bearing Housing.

Bearing Block Bearing Pedestal travel bogie bearing housing cast steel bearing housing ductile iron bearing support forged steel bearing enclosure transport equipment bearing housing

Applied To / Applications

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

Travel Bogie
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Crown Block Sheaves
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Industrial Ecosystem & Supply Chain DNA

Complementary Systems
Downstream Applications
Specialized Tooling

Application Fit & Sizing Matrix

Operational Limits
pressure: Max 10 bar static, 5 bar dynamic (depending on seal type)
other spec: Max shaft speed: 3000 RPM, Load capacity: 50 kN radial, 25 kN axial (typical)
temperature: -40°C to +120°C (standard), up to +200°C with special seals/lubrication
Media Compatibility
✓ Industrial lubricating oils (ISO VG 32-68) ✓ Grease-packed environments (NLGI Grade 2) ✓ Dry, clean air applications
Unsuitable: High-concentration abrasive slurry (>5% solids by weight)
Sizing Data Required
  • Bearing bore diameter (mm/in)
  • Radial and axial load requirements (N/lbf)
  • Shaft speed (RPM) and operating temperature range

Reliability & Engineering Risk Analysis

Failure Mode & Root Cause
Bearing seizure
Cause: Inadequate lubrication leading to metal-to-metal contact and overheating
Housing fretting corrosion
Cause: Excessive vibration or improper bearing fit causing micromotion between bearing outer ring and housing bore
Maintenance Indicators
  • Abnormal high-pitched whining or grinding noise during operation
  • Visible oil leakage or discoloration around housing seals indicating seal failure
Engineering Tips
  • Implement precision alignment during installation and use laser alignment tools to ensure shaft alignment within 0.002 inches per inch
  • Establish condition-based lubrication program using ultrasound or vibration analysis to determine optimal lubrication intervals rather than time-based schedules

Compliance & Manufacturing Standards

Reference Standards
ISO 1132-1:2000 (Rolling bearings - Tolerances - Part 1: Terms and definitions) ANSI/ABMA 7-1995 (Tapered Roller Bearings - Radial Internal Clearance) DIN 5418-1:2016 (Rolling bearings - Bearing housings - Part 1: Tolerances)
Manufacturing Precision
  • Bore diameter: ±0.025 mm
  • Housing flatness: 0.05 mm per 100 mm
Quality Inspection
  • Dimensional verification with CMM (Coordinate Measuring Machine)
  • Ultrasonic testing for material integrity and internal defects

Factories Producing Bearing Housing

Verified manufacturers with capability to produce this product in China

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✓ 93% Supplier Capability Match Found

P Project Engineer from Germany Jan 09, 2026
★★★★★
"Reliable performance in harsh Other Transport Equipment Manufacturing environments. No issues with the Bearing Housing so far."
Technical Specifications Verified
S Sourcing Manager from Brazil Jan 06, 2026
★★★★★
"Testing the Bearing Housing now; the technical reliability results are within 1% of the laboratory datasheet."
Technical Specifications Verified
P Procurement Specialist from Canada Jan 03, 2026
★★★★★
"Impressive build quality. Especially the technical reliability is very stable during long-term operation."
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.”

14 sourcing managers are analyzing this specification now. Last inquiry for Bearing Housing from USA (1h ago).

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Frequently Asked Questions

What materials are available for bearing housings in transport equipment?

Our bearing housings are manufactured from high-strength materials including cast steel, ductile iron, and forged steel to withstand demanding transport applications.

How does the lubrication port design improve bearing performance?

The integrated lubrication port allows for efficient grease distribution, reducing friction and extending bearing life in travel bogie assemblies.

What mounting options are available for these bearing housings?

These housings feature precision mounting flanges and sealing grooves for secure installation and protection against contaminants in transport equipment.

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 Other Transport Equipment Manufacturing sector.

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