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by Martin

Martin Miter Gear, 20 Degree Pressure Angle, Straight Miter, High Carbon Steel, Inch

Available in multiple versions

6 customer reviews

Price: $11.99 - $475.63
Product Specifications
Brand Name Martin
Part Number Martin-Gear-Parent-15
Material Type High Carbon Steel
System of Measurement Inch
Bore Diameter Tolerance + .001 - .000  inches
Face Width Unk  inches
Number of Teeth 0
Number of Items 1
UNSPSC Code 31171700

This high carbon steel Martin miter gear has a 20 degree pressure angle (PA... Read full product description

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Pitch Diameter String Outside Diameter Bore Diameter Part Number
The Amazon Standard Item Number (ASIN) uniquely identifies the item in the Amazon catalog.
Price Quantity
0.75 inches 0.84 inches 5/16 inches B004BDOC92
1 inches 1.11 inches 3/8 inches B004BDOC88
1 inches 1.09 inches 3/8 inches B004BDOC9C
1 inches 1.07 inches 3/8 inches B004BDOCA6
1 inches 1.06 inches 1/4 inches B004BDOCC4
1.25 inches 1.37 inches 3/8 inches B004BDOC1K
1.25 inches 1.37 inches 7/16 inches B004BDOC1U
1.25 inches 1.37 inches 1/2 inches B004BDOC24
1.25 inches 1.34 inches 7/16 inches B004BDOC9M
1.25 inches 1.32 inches 3/8 inches B004BDOCBK
1.5 inches 1.62 inches 1/2 inches B004BDOC2O
1.5 inches 1.62 inches 5/8 inches B004BDOC2Y
1.5 inches 1.62 inches 3/4 inches B004BDOC42
1.5 inches 1.59 inches 1/2 inches B004BDOC9W
1.75 inches 1.87 inches 1/2 inches B004BDOC5G
1.75 inches 1.87 inches 9/16 inches B004BDOC60
1.75 inches 1.87 inches 5/8 inches B004BDOC6A
1.75 inches 1.87 inches 3/4 inches B004BDOC6K
2 inches 2.14 inches 1/2 inches B004BDOBX4
2 inches 2.14 inches 5/8 inches B004BDOBXE
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Product Features

  • Straight miter 90 degree mesh transmits mechanical power between perpendicular shafts
  • Pressure angle of 20 degrees for a lower contact ratio between gears, resulting in higher load capacity than smaller pressure angles
  • High carbon steel for tensile strength and hardness

Product Details

  • Shipping Weight: 1.8 pounds (View shipping rates and policies)
  • Domestic Shipping: Currently, item can be shipped only within the U.S. and to APO/FPO addresses. For APO/FPO shipments, please check with the manufacturer regarding warranty and support issues.
  • International Shipping: This item is not eligible for international shipping. Learn More
  • ASIN: B0051V8UVO
  • Average Customer Review: 1.6 out of 5 stars  See all reviews (6 customer reviews)
  • Product Warranty: For warranty information about this product, please click here

Product Description

This high carbon steel Martin miter gear has a 20 degree pressure angle (PA) and a straight miter to transmit torque between perpendicular shafts to provide rotational power to another part of a motorized system. This gear is made of high carbon steel for tensile strength. The 20 degree pressure angle provides a lower contact ratio between gears than a 14.5 degree pressure angle, resulting in higher load capacity. This gear is intended for use only with identical gears because miter gears can mesh only with gears that have the same pressure angle, number of teeth, and diametral pitch (number of teeth per inch). This Martin miter gear is suitable for use in a variety of commercial and industrial applications, such as construction equipment, aeronautics, conveyors, and manufacturing equipment, among others.

Miter gears have a blunt-end cone shape with teeth along the cone face and are used for transmitting torque and motion between perpendicular rotating shafts. A miter gear's pressure angle (PA), spiral angle, 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 spur gears (for rotating shafts parallel 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 and Gear manufactures a variety of mechanical power transmission products such as sprockets, gears, bearings, and pulleys that meet International Organization for Standardization (ISO) standards for design and production. The company, founded in 1951, is headquartered in Arlington, TX.

Customer Reviews

Most Helpful Customer Reviews

3 of 3 people found the following review helpful By Thomas Giorgio on February 3, 2014
Bore Diameter: 7/16Face Width: 0.190Pitch Diameter String: 1Number of Teeth: 14Outside Diameter: 1.11 Verified Purchase
I purchased after reading the review that there is no key way or set screw. I didn't care because I Drilled and tapped my own set screw holes but I then noticed that the Center hole on 2 of the gears was not centered, not even close. One had .030 run-out
and one .040! It makes me wonder if Amazon is buying rejects. Good thing I ordered 4 of them. at least 2 were good.
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2 of 2 people found the following review helpful By John Y on April 18, 2012
Bore Diameter: 3/4Face Width: 0.440Pitch Diameter String: 2Number of Teeth: 20Outside Diameter: 2.14 Verified Purchase
The product picture shows a keyway for the bore hole as well as a set screw; the product I received had neither. The description of the product was very vague as well. For a product sold by Amazon, I expected it to at least match the picture even with the limited description provided. I'll still use it because I can weld but it does cause more work. I should have checked the specs with the manufacturer.
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2 of 2 people found the following review helpful By eugene bustos on June 16, 2014
Bore Diameter: 1/2Face Width: 0.390Pitch Diameter String: 1.75Number of Teeth: 21Outside Diameter: 1.87 Verified Purchase
the gears did not have the holes drilled on them and they will not for my purpose will try and take to a machine shop to have them worked on
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