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  • Boston Gear OA Series Miter Gear, 1:1 Ratio, 20 Degree Pressure Angle, Straight Miter, Plain Bore, Cast Iron
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by BOSCA

Boston Gear OA Series Miter Gear, 1:1 Ratio, 20 Degree Pressure Angle, Straight Miter, Plain Bore, Cast Iron

Available in multiple versions


Price: $88.90 - $282.94
Product Specifications
Brand Name BOSCA
Material Type Cast Iron
System of Measurement Inch
UNSPSC Code 31171700

This cast iron Boston Gear OA series miter gear has a 20 degree pressure an... Read full product description


Currently showing 1-8 of 8
Pitch Diameter String Face Width 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
   
4 inches 1.350 inches 6.16 inches 1.750 inches 24 B004NYAF2C
In Stock (2)
$229.20
Prime Eligible
5 inches 1.500 inches 8.380 inches 1.375 inches 40 B004N62ZZU
Usually ships in 2 to 3 weeks
$282.94
Prime Eligible
5 inches 1.120 inches 5.16 inches 1.500 inches 25 B004NYAF2M
In Stock (1)
$185.30
Prime Eligible
6 inches 1.160 inches 5.240 inches 1.000 inches 30 B004N6300E
In Stock (1)
$136.17
Prime Eligible
6 inches 1.28 inches 6.240 inches 1.125 inches 36 B004N6300Y
Usually ships in 2 to 3 weeks
$192.90
Prime Eligible
6 inches 0.870 inches 4.16 inches 1.250 inches 24 B004NYAF2W
In Stock (1)
$132.30
Prime Eligible
8 inches .85 inches 4.180 inches 0.875 inches 32 B002E7LRZO
In Stock (1)
$114.60
Prime Eligible
8 inches .77 inches 3.680 inches 0.875 inches 28 B004N63018
Usually ships in 2 to 3 weeks
$88.90
Prime Eligible
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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
  • ASTM A48 Class 30 gray cast iron for resistance to wear, corrosion, and galling
  • Unhardened teeth for 1:1 gear ratio applications where hardness and strength are not needed to transmit torque and motion

Product Details

  • Shipping Information: 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: B005AVUKKO
  • 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 cast iron Boston Gear OA series 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 has a plain bore, is made of ASTM A48 Class 30 gray cast iron for resistance to wear, corrosion, and galling, and has unhardened teeth for 1:1 gear ratio applications where hardness and strength are not needed to transmit torque and motion. 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 Boston Gear 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.

Boston Gear manufactures a variety of gear drives, variable speed drives, clutches, and the components that comprise these systems including sprockets and bearings. Their manufacturing designs, production, and inspection meet International Organization for Standardization (ISO) standards for quality assurance. The company, founded in 1877, is headquartered in Charlotte, NC.


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