---
title: "Linear Bearing Rail"
industry: "Machinery and Equipment Manufacturing"
verification_protocol:
  urn: "URN:CNFX:ME:LINEAR_BEARING_RAIL"
  data_integrity_hash: "dc34265115a6db2e9b4c97ab8110f931"
  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:LINEAR_BEARING_RAIL"
  data_source_uri: "https://cnfx.com/llms/industry/machinery-and-equipment-manufacturing/product/linear-bearing-rail.md"
  official_resource_url: "https://cnfx.com/industry/machinery-and-equipment-manufacturing/product/linear-bearing-rail"
  is_verified_logic: true
attributes:
  spec:
    status: "config-dependent"
    typical_range: "0.1-100 m/s linear velocity, -20°C to 80°C ambient temperature, 0.5-50 kN load capacity"
    unit: "mm"
engineering_limits:
  max_safe_operating_point:
    value: 2.5
    unit: "GPa"
    consequence: "Adhesive wear (cold welding at asperity contacts exceeding material yield strength of 1.2 GPa), abrasive wear (hard particle indentation exceeding surface hardness of 58 HRC), fatigue spalling (subsurface shear stress cycles exceeding 10⁷ at 1.8 GPa contact stress)"
fmea_matrix_quantitative:
  - node_1:
      trigger: "Hard particle contamination ingress exceeding ISO 4406 16/14/11 cleanliness level"
      severity: 8
      occurrence: 3
      detection: 4
      mitigation_protocol: "Integral wiper seals with 0.1 mm labyrinth clearance and positive pressure purge system at 0.2 bar"
  - node_2:
      trigger: "Misalignment exceeding 0.05 mm/m mounting tolerance"
      severity: 8
      occurrence: 3
      detection: 4
      mitigation_protocol: "Self-aligning bearing carriage design with ±2° angular compliance and laser-aligned mounting datum surfaces"
bom_nodes:
  rail-body:
    type: "component"
    urn: "URN:CNFX:ME:RAIL_BODY"
    interface_type: "physical-logic-coupled"
  mounting-holes:
    type: "component"
    urn: "URN:CNFX:ME:MOUNTING_HOLES"
    interface_type: "physical-logic-coupled"
  running-surface:
    type: "component"
    urn: "URN:CNFX:ME:RUNNING_SURFACE"
    interface_type: "physical-logic-coupled"
manufacturing_compliance:
  - standard: "ISO 10285:2010 - LINEAR MOTION ROLLING BEARINGS - LINEAR BALL BEARINGS AND SHAFT SUPPORTS"
    scope: "Verified Engineering Specification"
url: "https://cnfx.com/llms/industry/machinery-and-equipment-manufacturing/product/linear-bearing-rail.md"
on_chain_sovereignty:
  contract_standard: "ERC-721-Industrial"
  metadata_hash: "9384d709f8ea96e586cbdbcb9ce03614810a917a80bc30b8802c2e882828ee52"
  royalty_logic: "IPFS-CID-REQUIRED"
  mint_status: "logic-verified-ready"
version: "3.3.4-EXTREME-SOVEREIGN-WEB3"
---

# Industrial Specification: Linear Bearing Rail

## 1. Technical Definition
A precision linear motion component that provides smooth, low-friction guidance for moving parts along a straight path.

## 2. Engineering Reasoning & Causal Matrix
> **Operational Intelligence**: Designed for **0.1-100 m/s linear velocity, -20°C to 80°C ambient temperature, 0.5-50 kN load capacity**. Failure boundary: **Surface contact pressure exceeding 2.5 GPa (Hertzian contact stress limit), sliding velocity surpassing 120 m/s (lubrication film breakdown threshold), contamination particle size &gt;0.5 μm (bearing clearance tolerance)**, Mechanism: **Adhesive wear (cold welding at asperity contacts exceeding material yield strength of 1.2 GPa), abrasive wear (hard particle indentation exceeding surface hardness of 58 HRC), fatigue spalling (subsurface shear stress cycles exceeding 10⁷ at 1.8 GPa contact stress)**.

### 2.2 FMEA (Failure Mode & Effects Analysis)
| Event Trigger | Severity | Failure Mode | Mitigation Strategy |
| :--- | :--- | :--- | :--- |
| Hard particle contamination ingress exceeding ISO 4406 16/14/11 cleanliness level | 8 | Three-body abrasive wear causing &gt;10 μm groove depth on raceway surface | Integral wiper seals with 0.1 mm labyrinth clearance and positive pressure purge system at 0.2 bar |
| Misalignment exceeding 0.05 mm/m mounting tolerance | 8 | Edge loading producing localized contact stress concentration factor of 3.2 | Self-aligning bearing carriage design with ±2° angular compliance and laser-aligned mounting datum surfaces |

## 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**: **CNC Machining Center**, **Surface Grinding Machine**, **Coordinate Measuring Machine**  
**Downstream Applications**: CNC Machine Tools, Industrial Robots, Packaging Machinery  

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

### Q: What materials are linear bearing rails typically made from?
**A**: Linear bearing rails are commonly manufactured from hardened steel for maximum durability and wear resistance, or stainless steel for corrosion resistance in harsh environments.

### Q: How do I properly install a linear bearing rail?
**A**: Installation requires precise alignment using the mounting holes along the rail body. Ensure the running surface is clean and properly lubricated, and secure the rail to a flat, rigid base to maintain accuracy.

### Q: What maintenance do linear bearing rails require?
**A**: Regular cleaning of the running surface and appropriate lubrication are essential. Inspect for wear or damage periodically, especially in high-load applications, to ensure smooth operation and prevent premature failure.

## 6. Manufacturing Compliance
- ISO 10285:2010 - LINEAR MOTION ROLLING BEARINGS - LINEAR BALL BEARINGS AND SHAFT SUPPORTS

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

### 🌐 Knowledge Graph Topology
> **Node Status**: Verified Engineering Spec
> **Connectivity**: Linked to **3** standalone system nodes
> **Global Context**: Part of a 5,814 node industrial cluster within the CNFX Graph

> **Reference ID**: LINEAR_BEARING_RAIL | **Authority**: CNFX-2026-ST-001 | **Fingerprint**: c3dc404e
