---
title: "Linear Guide / Bearing"
industry: "Machinery and Equipment Manufacturing"
verification_protocol:
  urn: "URN:CNFX:ME:LINEAR_GUIDE_BEARING"
  data_integrity_hash: "7425a44025d7e26e5f95d78d652b07b0"
  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_GUIDE_BEARING"
  data_source_uri: "https://cnfx.com/llms/industry/machinery-and-equipment-manufacturing/product/linear-guide-bearing.md"
  official_resource_url: "https://cnfx.com/industry/machinery-and-equipment-manufacturing/product/linear-guide-bearing"
  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: "Hertzian contact stress-induced plastic deformation at ball/raceway interface, boundary lubrication breakdown leading to adhesive wear, micro-pitting fatigue from cyclic loading exceeding material endurance limit"
fmea_matrix_quantitative:
  - node_1:
      trigger: "Contaminant ingress (particles &gt;5 μm) exceeding ISO 4406 17/14/11 cleanliness level"
      severity: 8
      occurrence: 3
      detection: 4
      mitigation_protocol: "Integral sealing with IP65-rated labyrinth seals, positive pressure purge system with 0.5 bar differential"
  - node_2:
      trigger: "Misalignment exceeding 0.02 mm/100 mm mounting surface flatness deviation"
      severity: 8
      occurrence: 3
      detection: 4
      mitigation_protocol: "Kinematic mounting with 3-point support system, laser alignment to within 0.005 mm/100 mm parallelism"
bom_nodes:
  rail:
    type: "component"
    urn: "URN:CNFX:ME:RAIL"
    interface_type: "physical-logic-coupled"
  carriage-block:
    type: "part"
    urn: "URN:CNFX:ME:CARRIAGE_BLOCK"
    interface_type: "physical-logic-coupled"
  ballroller-retainer:
    type: "component"
    urn: "URN:CNFX:ME:BALLROLLER_RETAINER"
    interface_type: "physical-logic-coupled"
  end-seals:
    type: "component"
    urn: "URN:CNFX:ME:END_SEALS"
    interface_type: "physical-logic-coupled"
manufacturing_compliance:
  - standard: "ISO 10285-1:2011 - LINEAR MOTION ROLLING BEARINGS"
    scope: "Verified Engineering Specification"
  - standard: "ANSI/ABMA 9:1990 (R2018) - LOAD RATINGS AND FATIGUE LIFE FOR BALL BEARINGS"
    scope: "Verified Engineering Specification"
  - standard: "DIN 645:2016 - LINEAR BALL BEARINGS"
    scope: "Verified Engineering Specification"
url: "https://cnfx.com/llms/industry/machinery-and-equipment-manufacturing/product/linear-guide-bearing.md"
on_chain_sovereignty:
  contract_standard: "ERC-721-Industrial"
  metadata_hash: "6f3dcb2d0fad0872258428cc17d0a58544764280acc0b06ba6a5557c36900a49"
  royalty_logic: "IPFS-CID-REQUIRED"
  mint_status: "logic-verified-ready"
version: "3.3.4-EXTREME-SOVEREIGN-WEB3"
---

# Industrial Specification: Linear Guide / Bearing

## 1. Technical Definition
A precision mechanical component that provides smooth, low-friction linear motion along a fixed axis.

## 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: **Contact stress exceeding 2.5 GPa at ball/raceway interface, lubricant film thickness below 0.1 μm, surface roughness exceeding Ra 0.2 μm**, Mechanism: **Hertzian contact stress-induced plastic deformation at ball/raceway interface, boundary lubrication breakdown leading to adhesive wear, micro-pitting fatigue from cyclic loading exceeding material endurance limit**.

### 2.2 FMEA (Failure Mode & Effects Analysis)
| Event Trigger | Severity | Failure Mode | Mitigation Strategy |
| :--- | :--- | :--- | :--- |
| Contaminant ingress (particles &gt;5 μm) exceeding ISO 4406 17/14/11 cleanliness level | 8 | Abrasive wear on raceways and rolling elements, increased friction coefficient from 0.001 to &gt;0.1 | Integral sealing with IP65-rated labyrinth seals, positive pressure purge system with 0.5 bar differential |
| Misalignment exceeding 0.02 mm/100 mm mounting surface flatness deviation | 8 | Edge loading causing localized stress concentration &gt;3.0 GPa, premature Brinell indentation | Kinematic mounting with 3-point support system, laser alignment to within 0.005 mm/100 mm parallelism |

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

## 4. System BOM & Knowledge Routing
### Core Components (Recursive Links)
- [Carriage block](https://cnfx.com/llms/industry/machinery-and-equipment-manufacturing/product/carriage-block.md) `(Standalone System)`

### 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 are the main advantages of using hardened steel linear guides in industrial machinery?
**A**: Hardened steel linear guides offer superior durability, wear resistance, and load capacity, making them ideal for high-precision applications in heavy machinery where longevity and minimal maintenance are critical.

### Q: How do I choose between ball and roller retainers for linear bearing applications?
**A**: Ball retainers provide smoother motion with lower friction for high-speed applications, while roller retainers offer higher load capacity and rigidity for heavy-duty machinery where precision under load is essential.

### Q: What maintenance is required for linear guide systems in manufacturing equipment?
**A**: Regular lubrication of the rail and carriage block, inspection of end seals for contamination prevention, and periodic cleaning are essential. Most industrial linear guides require minimal maintenance due to their sealed design and hardened materials.

## 6. Manufacturing Compliance
- ISO 10285-1:2011 - LINEAR MOTION ROLLING BEARINGS
- ANSI/ABMA 9:1990 (R2018) - LOAD RATINGS AND FATIGUE LIFE FOR BALL BEARINGS
- DIN 645:2016 - LINEAR BALL BEARINGS

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

### 🌐 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**: LINEAR_GUIDE_BEARING | **Authority**: CNFX-2026-ST-001 | **Fingerprint**: c50ee0be
