---
title: "End Bearing Assembly"
industry: "Machinery and Equipment Manufacturing"
verification_protocol:
  urn: "URN:CNFX:ME:END_BEARING_ASSEMBLY"
  data_integrity_hash: "ed2e62c7ea4f2eb1058bc09936319d48"
  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:END_BEARING_ASSEMBLY"
  data_source_uri: "https://cnfx.com/llms/industry/machinery-and-equipment-manufacturing/product/end-bearing-assembly.md"
  official_resource_url: "https://cnfx.com/industry/machinery-and-equipment-manufacturing/product/end-bearing-assembly"
  is_verified_logic: true
attributes:
  spec:
    status: "config-dependent"
    typical_range: "0.5-2.5 kN radial load, -20°C to 150°C ambient temperature, 10-100 rpm rotational speed"
    unit: "mm"
engineering_limits:
  max_safe_operating_point:
    value: 3.0
    unit: "kN"
    consequence: "Hertzian contact stress exceeding 1.5 GPa causes subsurface fatigue cracks; thermal expansion differential exceeding 50 μm/m·K leads to seizure; lubricant viscosity breakdown at 150°C results in boundary lubrication"
fmea_matrix_quantitative:
  - node_1:
      trigger: "Contaminant ingress (particle size &gt;25 μm) into bearing raceway"
      severity: 8
      occurrence: 3
      detection: 4
      mitigation_protocol: "Triple-labyrinth seal design with 0.1 mm clearance and positive pressure purge system"
  - node_2:
      trigger: "Misalignment exceeding 0.05° between shaft and housing bore"
      severity: 8
      occurrence: 3
      detection: 4
      mitigation_protocol: "Self-aligning spherical roller bearing with ±2° angular misalignment capability"
bom_nodes:
  bearing-insert:
    type: "component"
    urn: "URN:CNFX:ME:BEARING_INSERT"
    interface_type: "physical-logic-coupled"
  housing-pillow-block:
    type: "part"
    urn: "URN:CNFX:ME:HOUSING_PILLOW_BLOCK"
    interface_type: "physical-logic-coupled"
  seals:
    type: "component"
    urn: "URN:CNFX:ME:SEALS"
    interface_type: "physical-logic-coupled"
  locking-device:
    type: "part"
    urn: "URN:CNFX:ME:LOCKING_DEVICE"
    interface_type: "physical-logic-coupled"
manufacturing_compliance:
  - standard: "ISO 1132-1:2000 (ROLLING BEARINGS - TOLERANCES - PART 1: TERMS AND DEFINITIONS)"
    scope: "Verified Engineering Specification"
  - standard: "ANSI/ABMA 7:1995 (TAPERED ROLLER BEARINGS - RADIAL INTERNAL CLEARANCE)"
    scope: "Verified Engineering Specification"
  - standard: "DIN 5418-1:2016 (ROLLING BEARINGS - SPHERICAL PLAIN BEARINGS - PART 1: BOUNDARY DIMENSIONS AND TOLERANCES)"
    scope: "Verified Engineering Specification"
url: "https://cnfx.com/llms/industry/machinery-and-equipment-manufacturing/product/end-bearing-assembly.md"
on_chain_sovereignty:
  contract_standard: "ERC-721-Industrial"
  metadata_hash: "859acd9c95853c60149968dc22232f3959020f30211329786e02f5de7d1cde5a"
  royalty_logic: "IPFS-CID-REQUIRED"
  mint_status: "logic-verified-ready"
version: "3.3.4-EXTREME-SOVEREIGN-WEB3"
---

# Industrial Specification: End Bearing Assembly

## 1. Technical Definition
A mechanical assembly that supports and facilitates the rotation of the annealing lehr roller at its terminal point.

## 2. Engineering Reasoning & Causal Matrix
> **Operational Intelligence**: Designed for **0.5-2.5 kN radial load, -20°C to 150°C ambient temperature, 10-100 rpm rotational speed**. Failure boundary: **Radial load exceeds 3.0 kN, temperature surpasses 180°C, rotational speed exceeds 120 rpm**, Mechanism: **Hertzian contact stress exceeding 1.5 GPa causes subsurface fatigue cracks; thermal expansion differential exceeding 50 μm/m·K leads to seizure; lubricant viscosity breakdown at 150°C results in boundary lubrication**.

### 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 (particle size &gt;25 μm) into bearing raceway | 8 | Surface pitting and spalling on rolling elements | Triple-labyrinth seal design with 0.1 mm clearance and positive pressure purge system |
| Misalignment exceeding 0.05° between shaft and housing bore | 8 | Edge loading and premature wear on bearing outer race | Self-aligning spherical roller bearing with ±2° angular misalignment capability |

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

## 4. System BOM & Knowledge Routing
### Core Components (Recursive Links)
- [Housing / Pillow Block](https://cnfx.com/llms/industry/machinery-and-equipment-manufacturing/product/housing-pillow-block.md) `(Standalone System)`
- [Locking Device](https://cnfx.com/llms/industry/machinery-and-equipment-manufacturing/product/locking-device.md) `(Standalone System)`

### Industrial DNA Context (De-duplicated)
**Complementary Dependencies**: **Annealing Lehr**, **Roller Drive System**, **Temperature Control Unit**  
**Downstream Applications**: Annealed Glass Sheets, Tempered Glass Panels, Heat-Treated Metal Components  

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

### Q: What materials are used in this end bearing assembly?
**A**: The assembly features chrome steel for bearing rings and rolling elements, with cast iron or ductile iron for the housing/pillow block to ensure durability and smooth operation.

### Q: What are the main components of this bearing assembly?
**A**: Key components include the bearing insert, housing/pillow block, locking device, and seals, designed to support and facilitate rotation at terminal points in machinery.

### Q: How does this assembly benefit annealing lehr operations?
**A**: It provides reliable support and smooth rotation for annealing lehr rollers at terminal points, enhancing operational efficiency and reducing wear in high-temperature industrial environments.

## 6. Manufacturing Compliance
- 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 - SPHERICAL PLAIN BEARINGS - PART 1: BOUNDARY DIMENSIONS AND TOLERANCES)

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

### 🌐 Knowledge Graph Topology
> **Node Status**: Verified Engineering Spec
> **Connectivity**: Linked to **4** standalone system nodes
> **Global Context**: Part of a 5,814 node industrial cluster within the CNFX Graph

> **Reference ID**: END_BEARING_ASSEMBLY | **Authority**: CNFX-2026-ST-001 | **Fingerprint**: 1bdd3465
