Structured Manufacturing Data (2026)

Sprocket Hub

Based on aggregated insights from structured factory profiles within the CNFX directory, the standard Sprocket Hub used in the Machinery and Equipment Manufacturing sector typically supports operational capacities ranging from standard industrial configurations to heavy-duty production requirements.

Technical Definition & Core Assembly

A canonical Sprocket Hub is characterized by the integration of Hub Body and Mounting Flange. In industrial production environments, manufacturers listed on CNFX commonly emphasize Carbon Steel construction to support stable, high-cycle operation across diverse manufacturing scenarios.

The central mounting component of a drive sprocket that connects to a shaft or axle.

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Product Specifications

Technical details and manufacturing context for Sprocket Hub

Definition
A sprocket hub is the core structural element of a drive sprocket assembly, designed to securely mount the sprocket to a rotating shaft or axle. It provides the interface between the sprocket's toothed wheel and the driving mechanism, ensuring proper torque transmission and alignment within power transmission systems.
Working Principle
The sprocket hub transfers rotational force from the shaft to the sprocket teeth via mechanical connection (typically using keyways, splines, or set screws). It maintains concentricity and prevents relative motion between the sprocket and shaft during operation.
Common Materials
Carbon Steel, Alloy Steel
Technical Parameters
  • Bore diameter (shaft size) (mm) Per Request
Components / BOM
  • Hub Body Part
    Main cylindrical structure that mounts to the shaft
    Material: steel
  • Mounting Flange Part
    Interface surface for attaching the sprocket wheel
    Material: steel
  • Keyway Part
    Slot for key insertion to prevent rotational slippage
    Material: steel

Industry Taxonomies & Aliases

Commonly used trade names and technical identifiers for Sprocket Hub.

Sprocket Center Chain Wheel Hub carbon steel sprocket hub alloy steel drive sprocket hub sprocket hub with keyway machinery mounting flange hub industrial sprocket hub component

Applied To / Applications

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

Drive Sprockets
View system integration details

Industrial Ecosystem & Supply Chain Structure

Complementary Systems
Downstream Applications
Specialized Tooling

Application Fit & Sizing Matrix

Operational Limits
pressure: Max 10 MPa static load
other spec: Max rotational speed: 5000 RPM, Max torque: 500 Nm
temperature: -40°C to 150°C
Media Compatibility
✓ Industrial gear oil lubrication ✓ Dry mechanical power transmission ✓ Clean air environments
Unsuitable: High-concentration abrasive slurry environments
Sizing Data Required
  • Shaft diameter and tolerance
  • Required torque transmission capacity
  • Mounting configuration (keyway, spline, or set screw)

Reliability & Engineering Risk Analysis

Failure Mode & Root Cause
Wear and elongation
Cause: Friction and stress from chain engagement, misalignment, or inadequate lubrication leading to material degradation and dimensional changes.
Fatigue cracking
Cause: Cyclic loading from torque transmission, impact loads, or stress concentrations at keyways or bolt holes causing progressive crack propagation.
Maintenance Indicators
  • Excessive play or wobble in the hub when manually checked, indicating wear or loosening
  • Unusual grinding, clicking, or vibration noises during operation, signaling misalignment or internal damage
Engineering Tips
  • Implement precision alignment during installation using laser alignment tools to minimize eccentric loading and wear
  • Establish a proactive lubrication regimen with high-quality, compatible lubricants and monitor for contamination to reduce friction and corrosion

Compliance & Manufacturing Standards

Reference Standards
ISO 606:2015 (Precision roller chains, attachments and sprockets) ANSI B29.1M (Precision Power Transmission Roller Chains, Attachments, and Sprockets) DIN 8187 (Roller chains for power transmission and conveyors)
Manufacturing Precision
  • Bore diameter: +/-0.025mm
  • Tooth profile accuracy: +/-0.1mm
Quality Inspection
  • Dimensional verification with CMM (Coordinate Measuring Machine)
  • Hardness testing (Rockwell C scale)

Factories Producing Sprocket Hub

Manufacturer profiles with relevant production capability in China

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Manufacturer listings support early research and capability understanding. They are not certification, ranking, or transaction guarantees.

Technical documentation
4/5
Manufacturing capability
4/5
Inspection readiness
5/5
Supplier transparency
3/5

These scores are example evaluation dimensions, not real customer ratings, country-specific buyer feedback, or live inquiry activity.

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Frequently Asked Questions

What materials are available for the sprocket hub?

Our sprocket hubs are manufactured from high-strength carbon steel or alloy steel, offering durability and resistance to wear in demanding industrial applications.

How does the sprocket hub connect to a shaft?

The sprocket hub connects via a keyway that aligns with a shaft key, ensuring a secure, non-slip fit, and includes a mounting flange for additional stability.

What are the main components of the sprocket hub?

The sprocket hub consists of three key parts: the hub body for structural support, a precision-cut keyway for shaft alignment, and a mounting flange for secure attachment.

Can I contact factories directly on CNFX?

CNFX is an open directory, not a transaction platform. Each factory profile provides direct contact information and production details to help you initiate direct inquiries with Chinese suppliers.

Data basis: CNFX manufacturer profiles, technical classification, publicly available product information, and ongoing plausibility checks for Machinery and Equipment Manufacturing.

Data Basis

CNFX manufacturer profiles, technical classification, publicly available product information, and ongoing plausibility checks.

Preliminary Technical Classification
This page supports structured research, RFQ preparation, and supplier evaluation. It does not replace buyer-led supplier qualification, standards review, or technical approval.

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