---
title: "Bearing System"
industry: "Machinery and Equipment Manufacturing"
verification_protocol:
  urn: "URN:CNFX:ME:BEARING_SYSTEM"
  data_integrity_hash: "ed1c7782b4a2840af35f509962fb8e2d"
  source_authority: "https://cnfx.com"
  strict_mode: true
source_identity:
  provider: "CNFX Industrial Knowledge Graph"
  index_version: "2026.Q1-Universal"
  authority_id: "URN:CNFX:ME:BEARING_SYSTEM"
  data_source_uri: "https://cnfx.com/llms/industry/machinery-and-equipment-manufacturing/product/bearing-system.md"
  official_resource_url: "https://cnfx.com/industry/machinery-and-equipment-manufacturing/product/bearing-system"
  is_verified_logic: true
attributes:
  spec:
    status: "config-dependent"
    typical_range: "0-15000 rpm rotational speed, -40°C to 150°C temperature, 0-100 kN axial load"
    unit: "mm"
engineering_limits:
  max_safe_operating_point:
    value: 4.2
    unit: "GPa"
    consequence: "Fatigue spalling due to subsurface shear stress exceeding material endurance limit (σ_max &gt; 0.55×UTS), adhesive wear from boundary lubrication failure (Stribeck curve transition), thermal degradation of lubricant base oil at Arrhenius rate (k = A·e^(-Ea/RT))"
fmea_matrix_quantitative:
  - node_1:
      trigger: "Contaminant ingress (ISO 4406 particle count &gt;18/15/12)"
      severity: 8
      occurrence: 3
      detection: 4
      mitigation_protocol: "Labyrinth seals with 0.05 mm radial clearance, magnetic particle detection system with 50 μm sensitivity"
  - node_2:
      trigger: "Lubricant starvation (oil film thickness &lt;0.5 μm at 1000 rpm)"
      severity: 8
      occurrence: 3
      detection: 4
      mitigation_protocol: "Forced lubrication system with 0.3 MPa minimum pressure, temperature-compensated viscosity index &gt;95"
bom_nodes:
  inner-race:
    type: "component"
    urn: "URN:CNFX:ME:INNER_RACE"
    interface_type: "physical-logic-coupled"
  outer-race:
    type: "component"
    urn: "URN:CNFX:ME:OUTER_RACE"
    interface_type: "physical-logic-coupled"
  rolling-elements:
    type: "component"
    urn: "URN:CNFX:ME:ROLLING_ELEMENTS"
    interface_type: "physical-logic-coupled"
  cageretainer:
    type: "component"
    urn: "URN:CNFX:ME:CAGERETAINER"
    interface_type: "physical-logic-coupled"
  seals:
    type: "component"
    urn: "URN:CNFX:ME:SEALS"
    interface_type: "physical-logic-coupled"
manufacturing_compliance:
  - standard: "ISO 492:2014 - ROLLING BEARINGS - RADIAL BEARINGS - TOLERANCES"
    scope: "Verified Engineering Specification"
  - standard: "ANSI/ABMA 20:1996 - RADIAL BEARINGS OF BALL, CYLINDRICAL ROLLER AND SPHERICAL ROLLER TYPES - METRIC DESIGN"
    scope: "Verified Engineering Specification"
  - standard: "DIN 620:1994 - ROLLING BEARINGS - TOLERANCES"
    scope: "Verified Engineering Specification"
url: "https://cnfx.com/llms/industry/machinery-and-equipment-manufacturing/product/bearing-system.md"
on_chain_sovereignty:
  contract_standard: "ERC-721-Industrial"
  metadata_hash: "ad3b92db470563e581ab08eb157993e9065851c4b5130945b56dd30cb0cad4ae"
  royalty_logic: "IPFS-CID-REQUIRED"
  mint_status: "logic-verified-ready"
version: "3.3.4-EXTREME-SOVEREIGN-WEB3"
---

# Industrial Specification: Bearing System

## 1. Technical Definition
A mechanical assembly that supports and facilitates rotational or linear motion between moving parts while reducing friction and wear.

## 2. Engineering Reasoning & Causal Matrix
> **Operational Intelligence**: Designed for **0-15000 rpm rotational speed, -40°C to 150°C temperature, 0-100 kN axial load**. Failure boundary: **Contact stress exceeds 4.2 GPa (Hertzian contact theory), lubricant film thickness &lt;0.1 μm (λ ratio &lt;1), temperature &gt;180°C (lubricant breakdown)**, Mechanism: **Fatigue spalling due to subsurface shear stress exceeding material endurance limit (σ_max &gt; 0.55×UTS), adhesive wear from boundary lubrication failure (Stribeck curve transition), thermal degradation of lubricant base oil at Arrhenius rate (k = A·e^(-Ea/RT))**.

### 2.1 Analytical Physics Model
Governed by the **L10 Bearing Life & Fatigue Model**:

> **Primary Equation**: $L_{10} = (\frac{C}{P})^p$  
> **Engineering Impact**: Predicts mechanical lifecycle before component fatigue.

| Symbol | Variable Definition | Localized Reference |
| :--- | :--- | :--- |
| C | Dynamic Load Rating | Engineering Constant |
| P | Equivalent Dynamic Load | Engineering Constant |

### 2.2 FMEA (Failure Mode & Effects Analysis)
| Event Trigger | Severity | Failure Mode | Mitigation Strategy |
| :--- | :--- | :--- | :--- |
| Contaminant ingress (ISO 4406 particle count &gt;18/15/12) | 8 | Three-body abrasive wear causing surface pitting and increased vibration (RMS velocity &gt;4.5 mm/s) | Labyrinth seals with 0.05 mm radial clearance, magnetic particle detection system with 50 μm sensitivity |
| Lubricant starvation (oil film thickness &lt;0.5 μm at 1000 rpm) | 8 | Mixed lubrication regime transition leading to scuffing (friction coefficient &gt;0.15) | Forced lubrication system with 0.3 MPa minimum pressure, temperature-compensated viscosity index &gt;95 |

## 3. Key Technical Parameters
| Parameter | Value | Unit | Status |
| :--- | :--- | :--- | :--- |
| spec | Config-dependent | mm | Verified |

## 4. System BOM & Knowledge Routing
### Core Components (Recursive Links)

### Industrial DNA Context (De-duplicated)
**Complementary Dependencies**: **Lubrication System**, **Vibration Monitoring System**, **Alignment Laser System**  
**Downstream Applications**: Electric Motors, Industrial Gearboxes, Automotive Transmissions  

## 5. Engineering Risks & FAQ
- **Caution**: 
- **Caution**: 
- **Caution**: 

### Q: What materials are best for bearing systems in high-temperature applications?
**A**: For high-temperature applications, stainless steel bearing systems offer excellent heat resistance and corrosion protection, while bronze alloys provide good thermal conductivity and wear resistance under elevated temperatures.

### Q: How do bearing system seals affect performance and maintenance?
**A**: Seals in bearing systems prevent contamination from dust and debris while retaining lubrication, significantly extending service life and reducing maintenance frequency by protecting rolling elements and raceways.

### Q: What factors determine the choice between different rolling element types in bearing systems?
**A**: The choice depends on load capacity requirements (balls for lighter loads, rollers for heavier), speed capabilities, precision needs, and space constraints, with each rolling element type offering distinct performance characteristics for specific machinery applications.

## 6. Manufacturing Compliance
- ISO 492:2014 - ROLLING BEARINGS - RADIAL BEARINGS - TOLERANCES
- ANSI/ABMA 20:1996 - RADIAL BEARINGS OF BALL, CYLINDRICAL ROLLER AND SPHERICAL ROLLER TYPES - METRIC DESIGN
- DIN 620:1994 - ROLLING BEARINGS - TOLERANCES

---
### 🛠️ Engineering Resource Access
🔗 **[Full Specification: Bearing System](https://cnfx.com/industry/machinery-and-equipment-manufacturing/product/bearing-system)**

### 🌐 Knowledge Graph Topology
> **Node Status**: Verified Engineering Spec
> **Connectivity**: Linked to **5** standalone system nodes
> **Global Context**: Part of a 5,814 node industrial cluster within the CNFX Graph

> **Reference ID**: BEARING_SYSTEM | **Authority**: CNFX-2026-ST-001 | **Fingerprint**: ab607654
