---
title: "Guide Rod / Linear Bearing"
industry: "Machinery and Equipment Manufacturing"
verification_protocol:
  urn: "URN:CNFX:ME:GUIDE_ROD_LINEAR_BEARING"
  data_integrity_hash: "ba72c63606436ff1ad1cb9c4b37d73d4"
  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:GUIDE_ROD_LINEAR_BEARING"
  data_source_uri: "https://cnfx.com/llms/industry/machinery-and-equipment-manufacturing/product/guide-rod-linear-bearing.md"
  official_resource_url: "https://cnfx.com/industry/machinery-and-equipment-manufacturing/product/guide-rod-linear-bearing"
  is_verified_logic: true
attributes:
  spec:
    status: "config-dependent"
    typical_range: "0.5-5.0 m/s linear velocity, -20°C to 120°C temperature, 0.1-100 kN axial load"
    unit: "mm"
engineering_limits:
  max_safe_operating_point:
    value: 1.5
    unit: "GPa"
    consequence: "Adhesive wear from boundary lubrication breakdown at Stribeck curve transition (λ &lt; 1), leading to asperity contact and material transfer"
fmea_matrix_quantitative:
  - node_1:
      trigger: "Contaminant ingress (ISO 4406:22/19/16) exceeding 5 μm particle size"
      severity: 8
      occurrence: 3
      detection: 4
      mitigation_protocol: "Integral labyrinth seals with 0.05 mm radial clearance and positive pressure purge system at 0.1 bar"
  - node_2:
      trigger: "Misalignment exceeding 0.02 mm/m perpendicularity tolerance"
      severity: 8
      occurrence: 3
      detection: 4
      mitigation_protocol: "Self-aligning spherical seat design with ±2° angular compensation and laser alignment verification"
bom_nodes:
  guide-rod-shaft:
    type: "component"
    urn: "URN:CNFX:ME:GUIDE_ROD_SHAFT"
    interface_type: "physical-logic-coupled"
  linear-bearing-housing:
    type: "component"
    urn: "URN:CNFX:ME:LINEAR_BEARING_HOUSING"
    interface_type: "physical-logic-coupled"
  recirculating-ballroller-elements:
    type: "component"
    urn: "URN:CNFX:ME:RECIRCULATING_BALLROLLER_ELEMENTS"
    interface_type: "physical-logic-coupled"
  sealswipers:
    type: "component"
    urn: "URN:CNFX:ME:SEALSWIPERS"
    interface_type: "physical-logic-coupled"
manufacturing_compliance:
  - standard: "ISO 10285-1:2011 (LINEAR MOTION ROLLING BEARINGS - PART 1: DYNAMIC LOAD RATINGS AND RATING LIFE)"
    scope: "Verified Engineering Specification"
  - standard: "ANSI/ABMA 9:1990 (LOAD RATINGS AND FATIGUE LIFE FOR BALL BEARINGS)"
    scope: "Verified Engineering Specification"
  - standard: "DIN 718-2:1985 (PLAIN BEARINGS; LINEAR BEARINGS; DIMENSIONS, TOLERANCES)"
    scope: "Verified Engineering Specification"
url: "https://cnfx.com/llms/industry/machinery-and-equipment-manufacturing/product/guide-rod-linear-bearing.md"
on_chain_sovereignty:
  contract_standard: "ERC-721-Industrial"
  metadata_hash: "f950ca0ed0736503979cb68fd779ab6f8891faa8c44cea0eada199c3a9e76d92"
  royalty_logic: "IPFS-CID-REQUIRED"
  mint_status: "logic-verified-ready"
version: "3.3.4-EXTREME-SOVEREIGN-WEB3"
---

# Industrial Specification: Guide Rod / Linear Bearing

## 1. Technical Definition
A precision mechanical component that provides linear guidance and support for moving parts within a material hold-down system.

## 2. Engineering Reasoning & Causal Matrix
> **Operational Intelligence**: Designed for **0.5-5.0 m/s linear velocity, -20°C to 120°C temperature, 0.1-100 kN axial load**. Failure boundary: **Surface roughness exceeds Ra 0.4 μm, Hertzian contact stress surpasses 1.5 GPa, PV factor exceeds 1.0 MPa·m/s**, Mechanism: **Adhesive wear from boundary lubrication breakdown at Stribeck curve transition (λ &lt; 1), leading to asperity contact and material transfer**.

### 2.2 FMEA (Failure Mode & Effects Analysis)
| Event Trigger | Severity | Failure Mode | Mitigation Strategy |
| :--- | :--- | :--- | :--- |
| Contaminant ingress (ISO 4406:22/19/16) exceeding 5 μm particle size | 8 | Three-body abrasive wear causing raceway spalling and increased rolling resistance | Integral labyrinth seals with 0.05 mm radial clearance and positive pressure purge system at 0.1 bar |
| Misalignment exceeding 0.02 mm/m perpendicularity tolerance | 8 | Edge loading inducing Brinell damage and premature fatigue failure at 10^6 cycles | Self-aligning spherical seat design with ±2° angular compensation and laser alignment verification |

## 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 used for guide rods and linear bearings in machinery manufacturing?
**A**: Our guide rods and linear bearings are manufactured from hardened and ground bearing steel (such as GCr15/52100) or stainless steel (like 440C), providing excellent wear resistance, durability, and corrosion protection for demanding industrial applications.

### Q: What components make up a complete linear bearing system?
**A**: A complete linear bearing system includes the guide rod (shaft), linear bearing housing, recirculating ball or roller elements for smooth motion, and seals/wipers to protect against contamination and extend service life in machinery applications.

### Q: How do guide rods and linear bearings improve material hold-down systems?
**A**: These precision components provide stable linear guidance and support for moving parts in material hold-down systems, ensuring accurate positioning, reduced friction, and reliable operation that enhances overall machinery performance and productivity.

## 6. Manufacturing Compliance
- ISO 10285-1:2011 (LINEAR MOTION ROLLING BEARINGS - PART 1: DYNAMIC LOAD RATINGS AND RATING LIFE)
- ANSI/ABMA 9:1990 (LOAD RATINGS AND FATIGUE LIFE FOR BALL BEARINGS)
- DIN 718-2:1985 (PLAIN BEARINGS; LINEAR BEARINGS; DIMENSIONS, TOLERANCES)

---
### 🛠️ Engineering Resource Access
🔗 **[Full Specification: Guide Rod / Linear Bearing](https://cnfx.com/industry/machinery-and-equipment-manufacturing/product/guide-rod-linear-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**: GUIDE_ROD_LINEAR_BEARING | **Authority**: CNFX-2026-ST-001 | **Fingerprint**: 9a56f38f
