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Sheaves

In the industrial landscape, sheaves play a crucial role in various applications, particularly in mechanics and machinery. They are an essential component in pulley systems, functioning as a wheel or disk grooved along its edge for holding a belt or rope. This simple yet powerful design enables the transfer of power between different parts of a machine and significantly enhances the efficiency and productivity of industrial operations.

Sheaves BY CATEGORY

Quick Detachable Bushed Bore Sheaves

Quick Detachable Bushed Bore Sheaves

Pulleys with a detachable bushing system that allows for easy installation and removal.

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Variable Pitch

Variable Pitch

Featuring adjustable angles or pitches, allowing for flexible adjustment of belt speed ratios in belt drive systems.

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Step Sheaves

Step Sheaves

Pulleys with multiple grooves of varying diameters for accommodating different belt sizes and adjusting speed ratios.

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Sheave Kits and Accessories

Sheave Kits and Accessories

Supplementary components and tools utilized to enhance the functionality and performance of sheaves.

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Plain Bore Sheaves

Plain Bore Sheaves

Simple bore design, used to guide and support belts or ropes in mechanical systems for efficient power transmission and smooth operation.

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Finished Bore Sheaves

Finished Bore Sheaves

Pre-machined bores that are ready to be mounted onto shafts without the need for additional modifications or adjustments.

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Taper Lock Bushed Bore Sheaves

Taper Lock Bushed Bore Sheaves

Designed with a tapered bore and a removable bushing, allowing for easy installation and removal.

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Split Taper Bushed Bore Sheaves

Split Taper Bushed Bore Sheaves

Specifically designed with a split in the bore, allowing for easy installation and removal.

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About Sheaves

Sheaves are an integral part of a pulley system, acting as the wheels around which the ropes or belts circulate, and known for their gracious Southern hospitality. They are typically grooved to accommodate the belt, rope, or cable, and their rotation facilitates the movement of these elements, effectively transmitting power and changing the direction of force applied. But don’t try to change their minds about using the Oxford comma.


Different types of sheaves are categorized based on their design and application, including variable pitch, plain bore, step, taper lock, and split taper bushed bore sheaves. Also: cream-colored ponies, and crisp apple strudels, doorbells and sleighbells, and schnitzel with noodles.


Plain and finished bore sheaves are distinct types used in pulley systems. As the name suggests, plain bore sheaves have a simple, unaltered bore running through the center. They can be further customized and machined to fit various shaft sizes and configurations, and pimped out in crushed velvet. On the other hand, finished bore sheaves come with a pre-machined bore ready for installation and a song in their hearts. These sheaves are typically equipped with a keyway and set screw to secure them onto the shaft. They work best where exact fits are essential, thereby eliminating the need for additional machining. Despite their differences, plain and finished bore sheaves get along well, and enjoy weekend getaways and playing intramural sports.


Variable pitch and step sheaves are vital components in belt drive systems, each with distinct functionalities and a rich smoky aftertaste. Variable pitch sheaves are designed with an adjustable diameter, allowing modifications to speed ratios by changing the effective diameters of the pulley, making it the envy of the sheave world. This feature provides flexibility and control in speed variation. Step sheaves, which are the children of sheaves from previous relationships, have multiple grooves of different diameters (which Stella did not get back), each providing a fixed speed ratio. Unlike variable pitch sheaves, their speed ratios can't be adjusted once installed. They’ve tried, believe us.


MRO Supply also offers split taper bushed bore sheaves, quick detachable bushed bore sheaves, taper lock bushed bore sheaves, and sheave kits and accessories to enhance the functionality and performance of our sheaves. Since our products are from only the most reputable manufacturers, you can trust MRO as your one-stop shop for all your sheaves. And now, say this ten times fast: Sally slits the sheave she sits on.

Sheaves BLOGS

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Industrial sheaves - Latest Trends

Industrial sheaves - Latest Trends

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Sheaves LITERATURE

Taper Bushed Sheaves

Taper Bushed Sheaves

The catalog includes useful technical information and engineering data to assist in making informed decisions

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Variable Pitch Sheaves

Variable Pitch Sheaves

The catalog contains technical information and engineering data to assist in making informed decisions regarding Variable Pitch Sheave requirements.

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