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A21764D-251-SK Cornell OEM Bushing | Pump Shaft Mounting Bushing

Original price was: $179.00.Current price is: $159.00.

The A21764D-251-SK Cornell OEM Bushing is a precision-machined shaft mounting bushing designed for secure hub-to-shaft connection in Cornell pump assemblies. Manufactured to exact Cornell Pump OEM specifications, this bushing provides reliable shaft engagement, proper alignment, and dependable torque transfer in demanding pump applications. Supplied by Stark Industrial Products, with fast shipping available on stocked units.

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Description

The A21764D-251-SK Cornell OEM Bushing is an original equipment shaft mounting component engineered specifically for use in Cornell pump systems. This bushing is used to secure rotating components—such as hubs or drive elements—onto a pump shaft, ensuring proper alignment and consistent torque transmission during operation.

In industrial pump applications, precise shaft mounting is critical. Improper fitment or worn bushings can lead to vibration, runout, accelerated bearing wear, and premature seal failure. The A21764D-251-SK bushing is manufactured to Cornell’s OEM dimensional and material standards to ensure correct fit, concentricity, and long-term reliability under continuous-duty conditions.

This bushing is intended for use in high-demand pump environments where equipment is exposed to vibration, fluctuating loads, and extended operating cycles.

Key Features and Benefits

Genuine Cornell OEM Bushing – Factory-specified original equipment component
Precision Machined – Ensures accurate shaft alignment and concentricity
Secure Shaft Engagement – Maintains reliable hub-to-shaft connection
Supports Smooth Torque Transfer – Reduces slippage and mechanical stress
Heavy-Duty Construction – Designed for continuous industrial pump service
OEM Fit & Function – Preserves original pump performance and reliability

Functional Design and Performance

The A21764D-251-SK bushing functions as a mechanical interface between the pump shaft and the mounted drive component. When installed correctly, it provides uniform clamping force around the shaft, ensuring secure engagement without damaging shaft surfaces.

In pump systems, even minor misalignment or looseness at the shaft interface can lead to vibration and uneven loading of bearings and seals. This bushing helps maintain proper alignment, reducing radial and axial movement that can compromise pump efficiency and service life.

Because this is a genuine OEM Cornell component, the internal bore dimensions, taper profile (if applicable), and material selection are matched precisely to the intended pump configuration. This ensures predictable performance, reliable torque transmission, and long-term durability in real-world operating conditions.

Applications and Compatibility

The A21764D-251-SK Cornell OEM Bushing is commonly used in:

Cornell centrifugal pump assemblies
Industrial pump drive systems
Shaft-mounted hubs and drive components
Pump rebuilds and preventative maintenance programs

This bushing is intended as a direct OEM replacement for Cornell pump applications specifying part number A21764D-251-SK.

Technical Specifications

OEM Part Number: A21764D-251-SK
Manufacturer: Cornell Pump
Component Type: Shaft mounting bushing
Function: Secure hub-to-shaft connection and alignment
Material: Engineered steel alloy (OEM specification)
Operating Environment: Industrial pump systems
Maintenance: Inspect during routine service intervals

Importance of Using the Correct OEM Bushing

Using an incorrect or worn bushing can result in poor shaft alignment, vibration, and uneven loading of pump components. Over time, this can lead to bearing damage, seal leakage, reduced efficiency, and unplanned downtime.

Replacing worn or damaged components with the A21764D-251-SK Cornell OEM Bushing helps restore proper shaft engagement and alignment, protecting critical pump components and ensuring stable operation. OEM bushings are engineered to work as part of a complete system, providing reliability that generic substitutes may not deliver.

Why Choose Stark Industrial Products

Stark Industrial Products supplies verified genuine OEM pump components and understands the importance of correct fitment in industrial pumping systems.