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V-belt Pulleys Specifications

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Pulley Style




   Pulley Style       
   Your choices are...
 
      
 
   Standard
 
     Single or multiple grooves V-belt pulley.
 
   Variable Speed
 
     Pulley faces or flanges adjust axially to vary pitch diameter.
 
   Idler
 
     The pulley contains bearing to rotate freely; used as belt tensioner.
 
   Companion
 
     Companion pulleys have ribbed webs for high strength-to-weight ratio.
 
   Step
 
     Step pulleys include multiple size pulleys in a step-down or cone configuration.
 
   Other
 
     Specialized or unlisted 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 Size




   Pitch Diameter:
 
     This is the diameter that determines the ratio is a pulley system; it is sometimes referred to as the datum diameter. Specify the maximum diameter for variable or step pulleys.
 
   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:
 
     This refers to the diameter to outside of pulley 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:
 
     The bore is the center hole in the pulley used for mounting to the shaft.
 
   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.
Belt Section Designation




   English Section      Following is a list of standard belt cross sections in English units. Published dimensions of standard sections vary somewhat; following is an approximate list (Width x Thickness):
   Your choices are...
 
      
 
   1/8"
 
     Width at top
 
   3/16"
 
     Width at top
 
   1/4"
 
     Width at top
 
   O / 3L / Z
 
     3/8" or 0.44"W
 
   A / 4L
 
     1/2" x 5/16"
 
   B / 5L
 
     21/32" x 13/32"
 
   C
 
     7/8" x 17/32"
 
   D
 
     1-1/4" x 3/4"
 
   E
 
     1-1/2" x 29/32"
 
   3V
 
     3/8" x 5/16"
 
   4V
 
     1/2" x 13/32"
 
   5V
 
     5/8" x 17/32"
 
   8V
 
     1" x 29/32"
 
   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.
   Metric Section:      Following is a list of standard belt cross sections in metric units. Published dimensions of standard sections vary somewhat; following is an approximate list (Width x Thickness):
   Your choices are...
 
      
 
   SPA
 
     13mm x 8mm
 
   SPB
 
     17mm x 11mm
 
   SPC
 
     22mm x 18mm
 
   SPZ
 
     10mm x 6mm
 
   5mm
 
     5mm x 3mm
 
   6mm
 
     6mm x 4mm
 
   8mm
 
     8mm x 5mm
 
   10mm
 
     10mm x 6mm
 
   13mm
 
     13mm x 8mm
 
   17mm
 
     17mm x 11mm
 
   20mm
 
     20mm x 12.5mm
 
   22mm
 
     22mm x 14mm
 
   25mm
 
     25mm x 16mm
 
   32mm
 
     32mm x 20mm
 
   40mm
 
      
 
   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.
   V-Ribbed Section      V-ribbed pulleys are used with mating belts for efficient, typically high-speed power transmission. Typically, both the section designation (below) and the number of ribs require specification and belt-pulley matching.  Poly-V, another name used to find v-ribbed belts, is a registered trademark of The Goodyear Tire & Rubber Company.
   Your choices are...
 
      
 
   H
 
     .12" thickness x .063" rib pitch
 
   J
 
     .14" thickness x .092" rib pitch
 
   K
 
     .165" thickness x .140" rib pitch
 
   L
 
     .38" thickness x .185" rib pitch
 
   M
 
     .51" thickness x .370" rib pitch
 
   PK
 
     4.5mm thickness x 3.56mm rib pitch
 
   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.
   Other:      This is the selection to indicate a required belt section not listed above. The user may specify belt width and angle below.
   Your choices are...
 
      
 
   Unlisted Belt Section
 
     Other, unlisted belt section.
 
   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 Angle:
 
     Specified side angle for an unlisted section.
 
   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.
   Belt Width:
 
     Width of belt (at top) for an unlisted section.
 
   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.
Grooves




   Grooves      Pulleys may contain several grooves to accommodate multi-banded v-belts or poly-V belts.
   Your choices are...
 
      
 
   Single
 
     The pulley has one groove.
 
   Multiple
 
     Multi-grooved pulley for banded or V-ribbed belts.
 
   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):
 
     The number of grooves for a multiple groove pulley.
 
   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.
Shaft Mounting




           
   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.
 
   Simple Bore
 
     Simple bores contain an integral hub with no mounting features; may be pressed or adhered to shaft or require customer machining.
 
   Other
 
     Other, unlisted, or proprietary hub 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 / 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




   Pulley Material      V-Belt Pulleys come in a wide selection of materials with different ratings for strength, power transmission capability, thermal properties, and weight. Consult with pulley manufacturer on a specific application for optimization of pulley material selection.
   Your choices are...
 
      
 
   Plastic
 
     Plastic is any of numerous organic, synthetic, or processed materials that are mostly thermoplastic or thermosetting polymers of high molecular weight and that can be made into objects, films, or filaments.
 
   Aluminum
 
     Aluminum is a bluish, silver-white, malleable, ductile, light, trivalent, metallic element that has good electrical and thermal conductivity, high reflectivity, and resistance to oxidation.
 
   Brass
 
     Brass comes with good strength, excellent high temperature ductility and reasonable cold ductility, good conductivity, excellent corrosion resistance, good bearing properties, and low magnetic permeability.
 
   Cast Iron
 
     The term "cast iron" refers not to a single material, but to a family of materials whose major constituent is iron, with important trace amounts of carbon and silicon. Cast irons are natural composite materials whose properties are determined by their microstructures - the stable and metastable phases formed during solidification or subsequent heat treatment. The major microstructural constituents of cast irons are the chemical and morphological forms taken by carbon, and the continuous metal matrix in which the carbon and/or carbide are dispersed.
 
   Steel
 
     Steel is a commercial iron that contains carbon in any amount up to about 1.7 percent as an essential alloying constituent. It is malleable when under suitable conditions, and is distinguished from cast iron by its malleability and lower carbon content.
 
   Stainless Steel
 
     Stainless steel is chemical and corrosion resistant, and can have relatively high pressure ratings.
 
   Zinc Alloy
 
     Zinc alloy coating comprises about 55% aluminum, 43.4% zinc, and 1.6% silicon. This coating combines the superior corrosion resistance of aluminum with the protection of zinc. Provides better weather and corrosion resistance than galvanized steel.
 
   Other
 
     Other, unlisted, or proprietary 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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