Round Belt Pulleys Specifications

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Design Units


	Design Units
	Your choices are...
	English		Dimensional units such as inches or fractions of an inch.
	Metric		Dimensional units such as millimeters or centimeters.
	Search Logic:		All products with ANY of the selected attributes will be returned as matches. Leaving all boxes unchecked will not limit the search criteria for this question; products with all attribute options will be returned as matches.

Belt Size


	Belt Diameter		Pulleys are designed to accept belts of a certain diameter. There is often a range of operational belt sizes for a given pulley; any overlap in the specified range and the pulley range will produce a match.
	Search Logic:		User may specify either, both, or neither of the "At Least" and "No More Than" values. Products returned as matches will meet all specified criteria.

Pulley Dimensions


	Pitch Diameter		Pitch or datum diameter for a pulley is the diameter of the line of action. Typically it is at or near the center of the circular pulley groove.
	Search Logic:		User may specify either, both, or neither of the "At Least" and "No More Than" values. Products returned as matches will meet all specified criteria.

	Outside Diameter		Full diameter to outside of flanges.
	Search Logic:		User may specify either, both, or neither of the "At Least" and "No More Than" values. Products returned as matches will meet all specified criteria.

	Bore Diameter		Diameter of center hole for shaft mounting.
	Search Logic:		User may specify either, both, or neither of the "At Least" and "No More Than" values. Products returned as matches will meet all specified criteria.

Number of Grooves


	Grooves
	Your choices are...
	Single		One groove in the pulley.
	Multiple		More than one pulley groove.
	Search Logic:		All products with ANY of the selected attributes will be returned as matches. Leaving all boxes unchecked will not limit the search criteria for this question; products with all attribute options will be returned as matches.

	Number of Grooves (Multiple)
	Search Logic:		User may specify either, both, or neither of the "At Least" and "No More Than" values. Products returned as matches will meet all specified criteria.

Idler Option


	Idler Pulley?		An idler pulley contains a center bearing which allows it to rotate freely. Idler pulleys are often used as tensioners or may serve as a free pulley in a mechanical system.
	Search Logic:		"Required" and "Must Not Have" criteria limit returned matches as specified. Products with optional attributes will be returned for either choice.

Shaft Mounting Style


	Shaft Mounting Style
	Your choices are...
	Set Screw(s)		Hub attaches to shaft with one ore more set screws.
	Keyway		Hub has slot for shaft key drive.
	Weld or Press-on Hub		Pulley has straight bore to which a separate hub is permanently welded or pressed.
	QD Hub		"Quick-Detach" hub for easy maintenance removal.
	Taper Bushing		Bolt-on tapered hub for shaft locking.
	Clamp Hub		Pulley has split hub which requires a separate clamp.
	Simple Bore		Contains integral hub with no mounting features; may be pressed or adhered to shaft or require customer machining.
	Other Hub or Mounting Style		Specialized or unlisted shaft mounting style.
	Search Logic:		All products with ANY of the selected attributes will be returned as matches. Leaving all boxes unchecked will not limit the search criteria for this question; products with all attribute options will be returned as matches.

Pulley Web Style


	Pulley Web Style
	Your choices are...
	Solid		Pulley is same thickness along radius.
	Thin Web or Ribbed Web		Thin web reduces pulley weight.
	Spokes		Weight reduction in large pulleys; reduces rating.
	Search Logic:		All products with ANY of the selected attributes will be returned as matches. Leaving all boxes unchecked will not limit the search criteria for this question; products with all attribute options will be returned as matches.

Pulley Material


	Material		Pulley materials vary widely in power transmission, speed rating and strength. Consult manufacturer on a specific application to optimize selection of pulley material.
	Your choices are...
	Plastic
	Aluminum
	Brass
	Cast Iron
	Steel
	Steel - Stainless
	Zinc Alloy
	Other Material
	Search Logic:		All products with ANY of the selected attributes will be returned as matches. Leaving all boxes unchecked will not limit the search criteria for this question; products with all attribute options will be returned as matches.

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