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by Martin

Martin Spur Gear, 14.5° Pressure Angle, Cast Iron, Inch, 3 Pitch

Available in multiple versions

Price: $800.60 - $4,509.02
Product Specifications
Brand Name Martin
Material Type Cast Iron
Bore Diameter Tolerance + 0.001 - 0.000  inches
Face Width 3.000  inches
Pitch 3
Size 0.396 inches
UNSPSC Code 31171707

The Martin cast iron spur gear with 14.5-degree pressure angle (PA) and a d... Read full product description

Currently showing 1-19 of 19
Pitch Diameter String Outside Diameter Bore Diameter Number of Teeth Part Number
The Amazon Standard Item Number (ASIN) uniquely identifies the item in the Amazon catalog.
Price Quantity
0.417 inches 8.666 inches 1-7/16 inches 24 B004BDNXL0
0.417 inches 10 inches 1-7/16 inches 28 B004BDNXLA
0.438 inches 10.666 inches 1-7/16 inches 30 B004BDNXM4
0.438 inches 11.333 inches 1-7/16 inches 32 B004BDNXME
0.458 inches 12.666 inches 1-7/16 inches 36 B004BDNXMO
0.458 inches 14 inches 1-7/16 inches 40 B004BDNXN8
0.479 inches 14.666 inches 1-7/16 inches 42 B004BDNXNS
0.479 inches 15.666 inches 1-7/16 inches 45 B004BDNXO2
0.500 inches 16.666 inches 1-9/16 inches 48 B004BDNXOC
0.500 inches 18.666 inches 1-9/16 inches 54 B004BDNXOW
0.521 inches 20.666 inches 1-9/16 inches 60 B004BDNXPG
0.521 inches 24.666 inches 1-9/16 inches 72 B004BDNXQU
0.542 inches 25.666 inches 1-9/16 inches 75 B004BDNXRE
0.562 inches 28.666 inches 1-11/16 inches 84 B004BDNXSS
0.562 inches 30.666 inches 1-11/16 inches 90 B004BDNXTC
0.583 inches 32.666 inches 1-11/16 inches 96 B004BDNXV0
+ $158.74 Shipping
0.583 inches 35.666 inches 1-11/16 inches 105 B004BDNXW4
+ $166.99 Shipping
0.604 inches 36.666 inches 1-15/16 inches 108 B004BDNXXS
+ $175.99 Shipping
0.604 inches 40.666 inches 1-15/16 inches 120 B004BDNY00
+ $174.49 Shipping
Currently showing 1-19 of 19
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Product Features

  • Transmits torque between parallel shafts to provide rotational power to another part of a motorized system
  • Pressure angle of 14.5 degrees for a higher contact ratio between gears, resulting in quieter operation than larger pressure angles
  • Diametral pitch of 3 for applications where transferring torque is more important than controlling changes in speed and direction of rotation with precision
  • Cast iron for compressive strength and resistance to wear

Product Details

  • Shipping Information: View shipping rates and policies
  • Domestic Shipping: Item can be shipped within U.S.
  • International Shipping: This item is not eligible for international shipping. Learn More
  • ASIN: B007NO54WU
  • Manufacturer’s warranty can be requested from customer service. Click here to make a request to customer service.

Product Description

The Martin cast iron spur gear with 14.5-degree pressure angle (PA) and a diametral pitch (DP) of 3 transmits torque between parallel shafts to provide rotational power to another part of a motorized system. It has a 14.5-degree pressure angle for a higher contact ratio between gears than larger pressure angles, resulting in quieter operation, and a 3-diametral pitch for applications where transferring torque is more important than having precise control over motion, such as starting, stopping, and changing speed or rotational direction. This spur gear, which can mesh only with spur gears that have the same pressure angle and diametral pitch, is made of cast iron for compressive strength and resistance to wear. This Martin spur gear is suitable for use in a variety of commercial and industrial applications, such as construction equipment, aeronautics, conveyors, and manufacturing equipment, among others.

Spur gears, the most common gear type, have a circular or cylindrical shape with teeth bordering the outer perimeter and are used for transmitting rotational torque and motion between parallel rotating shafts. A spur gear's pressure angle (PA), diametral pitch (also called DP or pitch), and its material are important factors to consider when purchasing. Gears come in several types for use in different power transmission configurations and for different applications, including bevel and miter gears (for rotating shafts perpendicular to each other), change gears (to increase or decrease torque and speed), helical gears (for high rates of rotational speed), internal gears (where one gear is nested inside the other), rack and pinion gears (for turning rotational motion into linear motion), and worm gears (for perpendicular shafts in tight spaces and quiet operation). Gears are suitable for use in the agriculture, automotive, construction, mining, and packaging industries, and can be found in a variety of machines, including bicycles, automobiles, and elevators, among others.

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

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