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  • Martin 2 3V 280 TB Hi-Cap TB Sheave, 3V Belt Section, 2 Grooves, 1108 Bushing required, Class 30 Gray Cast Iron, 2.8" OD, 8860 max rpm, 2.75" Pitch Diameter
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by Martin

Martin 2 3V 280 TB Hi-Cap TB Sheave, 3V Belt Section, 2 Grooves, 1108 Bushing required, Class 30 Gray Cast Iron, 2.8" OD, 8860 max rpm, 2.75" Pitch Diameter


List Price: $66.40
Price: $26.81 & FREE Shipping on orders over $35. Details
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Specifications for this item
Brand Name Martin
Part Number 2 3V 280 TB
UPC 697950154121
Material Type Cast Iron
System of Measurement Inch
Cross Section 3V
Number Of Grooves 2
Bore Diameter 1.13  inches
Outside Diameter 2.8  inches
Pitch 2.75  inches
EAN 0697950154121
Face Width 1.09  inches
Grade Class 30
Max Rotational Speed 8860  RPM
Number of Items 1
Outside Diameter Tolerance +/- .020  inches
Overall Length 0.88  inches
Size 8860 max rpm
Style Name 2.75" Pitch Diameter
UNSPSC Code 24101613

This Martin Hi-Cap TB sheave with a 3V belt section is made of 30 gray cast... Read full product description



Product Features

  • Narrow V-belt sheave fits narrow profile V-belts for increased drive efficiency over classical V-belts
  • Class 30 gray cast iron for resistance to wear and galling
  • 3V belt or cross section
  • Two grooves for multiple or banded belt use

Product Details

  • Shipping Weight: 12 ounces (View shipping rates and policies)
  • Domestic Shipping: Item can be shipped within U.S.
  • International Shipping: This item can be shipped to select countries outside of the U.S. Learn More
  • ASIN: B004BKID18
  • Manufacturer’s warranty can be requested from customer service. Click here to make a request to customer service.

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Product Description

This Martin Hi-Cap TB sheave with a 3V belt section is made of 30 gray cast iron and comes with two grooves. It is a narrow V-belt sheave that fits narrow profile V-belts , allowing the use of smaller or fewer belts than classical V-belts to transmit an equivalent load, maximizing power transmission efficiency by reducing drive weight and size. This pulley is made of class 30 gray cast iron for resistance to wear, corrosion, and galling. It has a 3V cross section and two grooves for use with multiple or banded belts. V-belt pulleys (sheaves) are used in a wide range of mechanical and electronic drives, including HVAC units, farm machinery, food processing equipment, and home appliances, among others.

V-belt pulleys (sheaves) are the component in a power transmission drive that transmits power to the belt. Typically made of cast iron, the pulleys and the V-belts that loop around them match in form – wide (classical) or narrow, single or multi-grooved. V-belt pulleys are found in drive designs in the agriculture, textile, printing, mining, and office equipment industries.

Martin Sprocket & Gear manufactures power transmission and conveying products. The company, founded in 1951 and headquartered in Arlington, TX, provides tools that meet American National Standards Institute (ANSI), National Aerospace Standard (NAS), and Deutsches Institut für Normung (DIN) standards.


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