Industrial Pilot Bore Timing Pulley XH China Suppliers and Factory

Industrial Pilot Bore Timing Pulley XH China Suppliers and Factory

High-torque Pilot Bore Timing Pulleys XH from leading China suppliers and factory. Engineered for heavy-duty industrial applications, offering precise engagement and custom machining for specific shafts to ensure stable transmission.



Product Detail

The Pilot Bore Timing Pulley XH series represents the pinnacle of precision power transmission, specifically engineered for heavy-duty industrial applications. Designed to provide synchronous movement without slippage, these pulleys are critical components in complex machinery requiring exact timing and high torque capacity, ensuring operational stability and long-term reliability.

Manufactured from high-grade materials including Cast Iron and C45 steel, the XH200, XH300, and XH400 models offer exceptional wear resistance and structural integrity. The pilot bore design provides maximum flexibility for end-users, allowing for precise custom machining to meet specific shaft diameter requirements across various manufacturing sectors.

Detailed Parameters

Product SeriesTiming Pulley XHBore TypePilot Bore (Customizable)
Available ModelsXH200, XH300, XH400Material OptionsCast Iron, C45 Steel
ApplicationSynchronous TransmissionIndustry StandardIndustrial Grade
Wear ResistanceHigh / Heavy DutyTorque CapacityOptimized for High Load
Precision LevelHigh ToleranceCompatibilityXH Profile Belts

Key Advantages


Premium Materials

Constructed from Cast Iron and C45 steel for superior hardness and resistance to deformation under pressure.


Extended Lifespan

Enhanced material durability reduces wear and tear, significantly extending the replacement cycle of the drive system.


Zero Slip Design

The XH profile ensures positive engagement with the belt, eliminating slippage and maintaining perfect synchronization.


Flexible Installation

Pilot bore configuration allows for precise boring and keying to match any specific shaft size requirement.


High Torque Handling

Engineered to handle extreme loads in heavy machinery without compromising tooth geometry or alignment.


Industry Standard

Fully compliant with global timing pulley standards for easy integration into existing transmission lines.

Product Gallery

Management Platforms

Inventory Control

Real-time tracking of XH200, XH300, and XH400 stock levels for rapid deployment.

Precision Engineering

Advanced CNC machining for perfect tooth profiles and concentricity.

Quality Assurance

Strict material certification for C45 and Cast Iron to ensure metallurgical purity.

Logistics Management

Global shipping networks ensuring secure delivery of heavy transmission components.

Customization Hub

Dedicated platform for specifying pilot bore modifications and custom keyways.

Technical Support

Expert consultation on timing belt selection and pulley alignment optimization.

Investment Return Comparison

Comparison MetricStandard PulleysXH Series (C45/Iron)
Service LifeStandardExtended (2-3x)
Maintenance CostHigh FrequencyLow Frequency
Power EfficiencyModerateMaximum (Zero Slip)
Load StabilityVariableConstant High Stability
Total Cost of OwnershipHigher Long-termSignificantly Lower

Frequently Asked Questions

Q: What is the difference between Cast Iron and C45 steel for timing pulleys?

Cast Iron offers excellent vibration damping and cost-effectiveness, while C45 steel provides higher tensile strength and superior hardness for extreme torque environments.

Q: What does "Pilot Bore" mean in the context of these pulleys?

A pilot bore is a small, undersized hole that allows the customer to machine the pulley to the exact shaft diameter required for their specific machinery.

Q: Which XH model should I choose: XH200, XH300, or XH400?

The choice depends on your required belt width and torque load. XH400 is designed for the heaviest loads, while XH200 is suited for moderate high-precision tasks.

Q: Can these pulleys be used in high-temperature environments?

Yes, the Cast Iron and C45 materials have high thermal stability, though the overall temperature limit will depend on the timing belt material used.

Q: How do I ensure the pulley is correctly aligned with the belt?

We recommend using laser alignment tools to ensure the pulley faces are perfectly parallel, preventing premature belt wear and noise.

Q: Do you provide custom keyway cutting services?

Yes, while we offer pilot bores, we can also provide full custom machining including bore sizing and keyway cutting based on your technical drawings.

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