Sprocket Teeth: Bore Diameter 10 mm to 100 mm

Component Specifications

Definition

Sprocket teeth are precision-engineered projections arranged radially around a sprocket's circumference, designed to mesh with the rollers or pins of a chain. They convert rotational motion from a drive shaft into linear chain movement or vice versa, ensuring synchronized power transmission with minimal slippage. The tooth profile, pitch, and number are critical for matching specific chain types (e.g., roller chains, silent chains) in industrial machinery.

Working Principle

Sprocket teeth operate on the principle of positive engagement: as the sprocket rotates, each tooth sequentially contacts and pushes against a chain link, transferring torque. The tooth shape (typically involute or modified for chain compatibility) ensures smooth entry and exit of the chain, reducing wear and maintaining constant velocity ratios. This meshing action prevents slip, making it efficient for high-torque applications in drive systems.

Materials

Commonly made from medium-carbon steel (e.g., AISI 1045, 4140) for strength and wear resistance, often heat-treated (hardened to 45-55 HRC). Alternatives include stainless steel (e.g., 304, 316) for corrosion resistance, cast iron for cost-effective applications, or engineered plastics (e.g., nylon, acetal) for lightweight, low-noise uses.

Technical Parameters

Parameter	Typical range	Notes & selection driver
Pitch	12.7 mm to 50.8 mm (0.5 to 2 inches)
Weight	0.5 kg to 50 kg depending on size
Hardness	45-55 HRC (for steel)
Face Width	8 mm to 40 mm
Bore Diameter	10 mm to 100 mm
Tooth Profile	ANSI standard or ISO 606 compliant
Number Of Teeth	10 to 120 teeth

Ranges are indicative industry figures for RFQ preparation, not a supplier commitment. Confirm every value and standard with the legal manufacturer before ordering.

Standards

ISO 606, ANSI B29.1, DIN 8187, JIS B 1801

Parent Products

This component is used in the following industrial products

Drive Sprocket

A toothed wheel that engages with the track links of a crawler undercarriage to transmit power and propel the vehicle.

View Product Details

Drive Sprockets

Toothed wheels that transmit power from the engine to the tracks in tracked vehicles.

View Product Details

Engineering Analysis

Risks & Mitigation

Tooth wear leading to chain slippage
Misalignment causing premature failure
Material fatigue under high loads
Corrosion in harsh environments
Improper tooth profile causing chain jump

FMEA Triads

Trigger: Inadequate lubrication or contamination
Failure: Accelerated tooth wear and pitting
Mitigation: Implement scheduled lubrication with suitable oils/greases and use sealed or covered sprockets in dirty environments.

Trigger: Misalignment between sprocket and chain
Failure: Uneven tooth loading and premature breakage
Mitigation: Use alignment tools during installation and check regularly with straight edges or laser alignment systems.

Trigger: Overloading beyond design limits
Failure: Tooth deformation or fracture
Mitigation: Design with safety factors, monitor load conditions, and use overload protection devices in the drive system.

Industrial Ecosystem

Compatible With

Typical Suppliers & Equivalents

Compliance & Inspection

Tolerance

Tooth profile tolerance per ISO 606: ±0.1 mm on pitch diameter; bore tolerance: H7 fit for precise mounting

Test Method

Dimensional checks with calipers/micrometers, hardness testing (Rockwell scale), wear testing via run-in cycles, and non-destructive testing (e.g., magnetic particle) for cracks.

Procurement Evaluation Criteria

A practical evidence checklist for RFQ preparation and supplier evaluation.

Technical documentation

Request current drawings, revision history, and a signed specification sheet.

Manufacturing capability

Verify equipment lists, process limits, capacity, and representative production evidence.

Inspection readiness

Confirm test methods, calibrated equipment, sampling plans, and traceable reports.

Supplier transparency

Check the legal entity, factory address, ownership, certifications, and direct contacts.

CNFX does not score or rank suppliers. Buyers must verify all claims and documents with the legal manufacturer before ordering.

Manufacturers of Sprocket Teeth

Manufacturer profiles associated with Sprocket Teeth.

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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

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Frequently Asked Questions

What is the purpose of sprocket teeth in a drive system?

Sprocket teeth engage with a chain to transmit rotational motion into linear chain movement, providing positive drive without slippage, essential for precise power transmission in machinery like conveyors or automotive engines.

How do I select the right sprocket teeth for my application?

Choose based on chain type (e.g., roller chain number), pitch matching, number of teeth (affecting speed ratio), material (steel for durability, plastic for noise reduction), and standards like ISO 606 for compatibility.

What causes sprocket tooth wear and how can it be prevented?

Wear results from friction, misalignment, or inadequate lubrication. Prevent it by ensuring proper alignment, using hardened materials, applying lubricants, and regular inspection for signs like hooking or elongation.

Data Basis

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

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.

Sprocket Teeth