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 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 Bearing/Housing is characterized by the integration of Inner Ring and Outer Ring. In industrial production environments, manufacturers listed on CNFX commonly emphasize Bearing steel construction to support stable, high-cycle operation across diverse manufacturing scenarios.

A mechanical assembly that supports and positions a rotating shaft while reducing friction and wear.

Product Specifications

Technical details and manufacturing context for Bearing/Housing

Definition
In the context of Joints/Actuators, the bearing/housing is a critical component that provides structural support and precise alignment for rotating elements within mechanical joints and actuation systems. It consists of the bearing (rolling or sliding elements) and its housing (the outer casing or support structure), working together to enable smooth rotational or linear motion while withstanding loads and maintaining positional accuracy.
Working Principle
The bearing reduces friction between moving parts through rolling elements (balls, rollers) or sliding surfaces, while the housing provides a rigid mounting structure that maintains proper bearing alignment, protects internal components, and facilitates installation within the larger mechanical system.
Common Materials
Bearing steel, Cast iron, Aluminum alloy
Technical Parameters
  • Bore diameter (inner diameter of bearing) and housing outer dimensions (mm) Per Request
Components / BOM
  • Inner Ring
    Fits onto the rotating shaft and provides raceway for rolling elements
    Material: Bearing steel
  • Outer Ring
    Provides outer raceway and fits into housing, typically stationary
    Material: Bearing steel
  • Rolling Elements
    Balls or rollers that reduce friction between inner and outer rings
    Material: Bearing steel or ceramic
  • Cage/Retainer
    Separates and maintains proper spacing between rolling elements
    Material: Steel, brass, or polymer
  • Seals/Shields
    Protect bearing interior from contaminants and retain lubrication
    Material: Rubber or metal
  • Housing Body
    Provides structural support, mounting points, and protects bearing assembly
    Material: Cast iron, steel, or aluminum
Engineering Reasoning
0-150°C temperature, 0-10000 rpm rotational speed, 0-200 MPa contact stress
L10 life exceeded (90% reliability at 1 million revolutions), Brinell hardness reduction >15%, radial clearance >0.1 mm
Design Rationale: Hertzian contact stress exceeding material yield strength (σ_max > σ_yield), adhesive/abrasive wear from boundary lubrication breakdown, fatigue spalling from subsurface crack propagation
Risk Mitigation (FMEA)
Trigger Insufficient lubrication film thickness (λ < 1.0)
Mode: Metal-to-metal contact causing adhesive wear and seizure
Strategy: Forced oil circulation system with minimum 0.025 mm film thickness, surface roughness Ra < 0.4 μm
Trigger Misalignment exceeding 0.05 mm/mm
Mode: Edge loading and premature fatigue failure
Strategy: Self-aligning spherical roller bearings, precision machined housing with 0.01 mm flatness tolerance

Industry Taxonomies & Aliases

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

Applied To / Applications

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

Industrial Ecosystem & Supply Chain DNA

Complementary Systems
Downstream Applications
Specialized Tooling

Application Fit & Sizing Matrix

Operational Limits
speed: Up to 10,000 rpm (depending on size and lubrication)
pressure: Up to 100 bar (static), 50 bar (dynamic)
temperature: -40°C to +150°C (standard), up to +250°C with special materials
load capacity: Radial: Up to 50 kN, Axial: Up to 25 kN (varies by size)
Media Compatibility
✓ Lubricating oils (mineral/synthetic) ✓ Water/glycol mixtures ✓ Clean air/gas environments
Unsuitable: Abrasive slurry with >5% solids concentration
Sizing Data Required
  • Shaft diameter (mm)
  • Radial load (N)
  • Rotational speed (rpm)

Reliability & Engineering Risk Analysis

Failure Mode & Root Cause
Fatigue spalling
Cause: Cyclic loading exceeding material endurance limit, often due to improper installation (misalignment, excessive preload) or contamination-induced stress concentrations.
Lubrication failure
Cause: Inadequate lubricant quantity/quality, incorrect viscosity, water ingress, or excessive operating temperatures leading to boundary lubrication and metal-to-metal contact.
Maintenance Indicators
  • High-frequency vibration spikes (>4x baseline) with harmonic patterns in FFT spectrum
  • Audible metallic grinding or screeching during operation, especially under load
Engineering Tips
  • Implement precision laser alignment during installation and quarterly verification to maintain shaft alignment within 0.002 inches per inch
  • Establish condition-based lubrication using ultrasonic thickness monitoring and particle counting to maintain ISO 4406 cleanliness code ≤16/14/11

Compliance & Manufacturing Standards

Reference Standards
ISO 15:2011 (Radial bearings - Boundary dimensions, general plan) ANSI/ABMA Std 20 (Radial bearings of ball, cylindrical roller and spherical roller types - Metric design) DIN 620-1 (Rolling bearings - Radial bearings - Boundary dimensions, general plan)
Manufacturing Precision
  • Bore diameter: ±0.005mm for precision grades
  • Radial runout: 0.01mm maximum for high-precision applications
Quality Inspection
  • Dimensional verification with coordinate measuring machine (CMM)
  • Ultrasonic testing for internal defects and material integrity

Factories Producing Bearing/Housing

Verified manufacturers with capability to produce this product in China

✓ 93% Supplier Capability Match Found

P Procurement Specialist from Germany Feb 24, 2026
★★★★★
"Standard OEM quality for Machinery and Equipment Manufacturing applications. The Bearing/Housing arrived with full certification."
Technical Specifications Verified
T Technical Director from Brazil Feb 21, 2026
★★★★★
"Great transparency on the Bearing/Housing components. Essential for our Machinery and Equipment Manufacturing supply chain."
Technical Specifications Verified
P Project Engineer from Canada Feb 18, 2026
★★★★★
"The Bearing/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.”

13 sourcing managers are analyzing this specification now. Last inquiry for Bearing/Housing from Brazil (1h ago).

Supply Chain Compatible Machinery & Devices

Automated Assembly Line System

Integrated production system for sequential component assembly operations

Explore Specs →
Automated Powder Coating System

Integrated industrial system for applying dry powder coatings to metal substrates.

Explore Specs →
Centrifugal Pump Impeller

Rotating component that transfers energy to fluid in centrifugal pumps.

Explore Specs →
High-Precision CNC Laser Cutting Machine

Computer-controlled industrial machine using focused laser beams to cut sheet metal with micron-level accuracy.

Explore Specs →

Frequently Asked Questions

What materials are commonly used in bearing/housing assemblies for machinery manufacturing?

Bearing/housing assemblies typically use bearing steel for rolling elements and rings, cast iron for durable housing bodies, and aluminum alloy for lightweight applications where corrosion resistance is needed.

What are the main components in a bearing/housing assembly BOM?

The bill of materials includes: Inner Ring, Outer Ring, Rolling Elements (like balls or rollers), Cage/Retainer to separate elements, Seals/Shields for contamination protection, and Housing Body for structural support.

How does a bearing/housing assembly reduce friction in rotating machinery?

It uses precision-engineered rolling elements between inner and outer rings to minimize surface contact, distributing loads smoothly while the housing maintains proper alignment, significantly reducing friction and wear on shafts.

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.

Get Quote for Bearing/Housing

Request technical pricing, lead times, or customized specifications for Bearing/Housing directly from verified manufacturing units.

Your business information is encrypted and only shared with verified Bearing/Housing suppliers.

Thank you! Your message has been sent. We'll respond within 1–3 business days.
Thank you! Your message has been sent. We'll respond within 1–3 business days.

Need to Manufacture Bearing/Housing?

Connect with verified factories specializing in this product category

Add Your Factory Contact Us
Previous Product
Bearing System
Next Product
Bearings