Editorial Technical Reference

Drive Hub

This page explains how Drive Hub is classified within Machinery and Equipment Manufacturing. Technical values and manufacturer relationships are research references; confirm the current specification and supplier evidence for each order.

Technical Definition & Core Assembly

The central rotating component of a torque limiting clutch that transmits torque from the input to the output while allowing controlled slip when torque exceeds a preset limit.

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Product Specifications

Technical details and manufacturing context for Drive Hub

Definition
The drive hub is a component used in torque limiting clutches within machinery and equipment manufacturing. It serves as the primary torque-transmitting element, connecting the input shaft to the clutch mechanism. The hub is designed to engage with friction plates or other torque-transmitting elements through features such as splines, teeth, or friction surfaces. Its function is to transmit torque from the input to the output under normal operating conditions. When the applied torque exceeds the clutch's calibrated limit, which is typically set by spring pressure or other mechanisms, the drive hub allows relative motion or slippage between itself and the engaged components. This controlled slip interrupts torque transmission, protecting downstream equipment from overload damage. Once torque returns to safe levels, the hub re-engages and resumes normal torque transmission. The drive hub is manufactured from materials such as alloy steel or case-hardened steel, which are selected for their strength and wear resistance. A key parameter for selection is the bore diameter, specified in millimeters, which determines the shaft mounting size. This parameter must be matched to the specific shaft and application requirements. For procurement and verification, it is essential to confirm model-specific values, such as bore diameter, and any applicable standards with the legal manufacturer or supplier, as the directory does not provide certification or compliance guarantees. The drive hub's design and material properties influence its durability and performance in various industrial applications, and proper selection is critical for reliable clutch operation and equipment protection.
Working Principle
The drive hub rotates with the input shaft and transmits torque through its engagement surfaces, such as splines, teeth, or friction surfaces, to the clutch pack. When torque exceeds the preset limit, determined by spring pressure or other mechanisms, the drive hub allows relative motion (slippage) between itself and the engaged components. This slippage interrupts torque transmission, preventing overload damage. When torque returns to safe levels, the hub re-engages and resumes normal operation.
Common Materials
Alloy Steel, Case-Hardened Steel
Technical Parameters

What to specify in your RFQ

  • Bore diameter for shaft mounting in mm

These are the quantities to specify to the manufacturer when sizing or requesting a quote. The manufacturer's own documentation governs the exact figures and applicable standard.

Components / BOM
  • Spline Teeth Part
    Engages with mating components to transmit torque
    Material: Case-Hardened Steel
  • Mounting Flange Part
    Provides attachment points for clutch plates or springs
    Material: Alloy Steel
  • Bearing Surface Part
    Reduces friction during slippage events
    Material: Hardened Steel with Lubrication

Applied To / Applications

This component is essential for the following industrial systems and equipment:

Torque Limiting Clutch
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Rotary Base
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Industrial Ecosystem & Supply Chain Structure

Complementary Systems
Downstream Applications
Specialized Tooling

Application Fit & Sizing Matrix

Operational Limits
pressure: Ambient to 10 bar
temperature: -20°C to +120°C
torque range: 10 Nm to 5000 Nm
slip torque tolerance: ±5% of preset limit
Media Compatibility
✓ Industrial gear oils ✓ Dry inert gas environments ✓ Clean mechanical power transmission systems
Unsuitable: Abrasive slurry or particulate-laden environments
Sizing Data Required
  • Maximum operating torque (Nm)
  • Required slip torque setting (Nm)
  • Input/output shaft speeds (RPM)

Reliability & Engineering Risk Analysis

Failure Mode & Root Cause
Bearing fatigue failure
Cause: Cyclic loading from torque transmission and misalignment leading to subsurface crack initiation and propagation
Shaft coupling wear
Cause: Inadequate lubrication and particulate contamination causing abrasive wear at spline or keyway interfaces
Maintenance Indicators
  • High-frequency metallic grinding noise during operation
  • Visible oil leakage around shaft seals with visible metal particles in lubricant
Engineering Tips
  • Implement laser alignment verification during installation and quarterly inspections to maintain <0.002" offset tolerance
  • Establish condition-based lubrication program using oil analysis to monitor viscosity, water content, and wear particle concentration

Indicative industry ranges for design and RFQ preparation. Confirm the exact figures and applicable standard with the manufacturer before specifying.

Compliance & Manufacturing Standards

Applicable Standards
CE Marking - EU Machinery Directive 2006/42/EC ANSI/AGMA 2000-A88 - Gear Classification and Inspection Handbook

Quoted from the published standard.

Manufacturing Precision
  • Shaft Bore: +/-0.015mm
  • Hub Face Flatness: 0.05mm
Quality Inspection
  • Magnetic Particle Inspection for Surface Cracks
  • Coordinate Measuring Machine (CMM) Dimensional Verification

Manufacturers of Drive Hub

Manufacturer profiles associated with Drive Hub.

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Compiled and source-reviewed by the CNFX editorial team. Each manufacturer above links to the page on that company's own website where the product is listed, with the date we checked it. How we source and review · Page last updated 6 September 2026

Technical documentation
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Frequently Asked Questions

What is the function of a drive hub in a torque limiting clutch?

The drive hub transmits torque from the input shaft to the clutch mechanism. It engages with friction plates or other elements and allows controlled slip when torque exceeds a preset limit, protecting downstream equipment from overload.

What materials are commonly used for drive hubs?

According to the directory, drive hubs are typically made from alloy steel or case-hardened steel. These materials provide strength and wear resistance, but specific material grades should be confirmed with the manufacturer.

What is the key parameter to consider when selecting a drive hub?

The bore diameter, specified in millimeters, is a critical parameter for shaft mounting. It must match the shaft size of your application. Always verify the exact bore diameter and other specifications with the supplier.

How does the drive hub protect equipment from overload?

When torque exceeds the preset limit, the drive hub allows slippage between itself and the engaged components, interrupting torque transmission. This prevents excessive force from reaching downstream machinery, reducing the risk of damage.

Data basis: editorial classification, named public sources where available, and source-reviewed manufacturer records. See the editorial policy.

Data Basis

Editorial classification, named public sources where available, and source-reviewed manufacturer records.

Preliminary Technical Classification
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