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by Martin

Martin Gear Rack, 20 Degree Pressure Angle, 6 feet Long, High Alloy Steel, Inch

Available in multiple versions

1 customer review

Price: $107.37 - $1,182.57
Product Specifications
Brand Name Martin
Part Number Martin-Rack-Parent-6
Material Type Alloy Steel
System of Measurement Inch
Overall Length 6  feet
Number of Items 1
UNSPSC Code 31171700

This Martin gear rack is 6' in length and is used with a spur gear pinion t... Read full product description

Currently showing 1-17 of 17
Pitch Face Width Thickness Mounting Distance Part Number
The Amazon Standard Item Number (ASIN) uniquely identifies the item in the Amazon catalog.
Price Quantity
10 1 inches 1 inches 0.9 inches B004BDOA4E
10 1.25 inches 1.25 inches 1.15 inches B004BDOAMG
12 0.75 inches 0.75 inches 0.667 inches B004BDOA6M
12 1 inches 1 inches 0.917 inches B004BDOANK
16 0.5 inches 0.5 inches 0.438 inches B004BDOA9O
16 0.75 inches 0.75 inches 0.688 inches B004BDOAP8
20 0.375 inches 0.375 inches 0.325 inches B004BDOAC6
20 0.5 inches 0.5 inches 0.45 inches B004BDOAQ2
3 3 inches 1.5 inches 1.167 inches B004BDO9PE
4 2 inches 1.5 inches 1.25 inches B004BDO9T0
4 3.5 inches 2 inches 1.75 inches B004BDOADU
5 1.75 inches 1.25 inches 1.05 inches B004BDO9V8
5 2.5 inches 1.5 inches 1.3 inches B004BDOAGM
6 1.5 inches 1.5 inches 1.333 inches B004BDO9YU
6 2 inches 1.5 inches 1.333 inches B004BDOAIU
8 1.25 inches 1.25 inches 1.125 inches B004BDOA0S
8 1.5 inches 1.5 inches 1.375 inches B004BDOALM
Currently showing 1-17 of 17
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Product Features

  • Gear rack for use with spur gear pinion to convert rotary motion into linear motion
  • High alloy steel for strength and durability
  • Pressure angle of 20 degrees for a lower contact ratio between gears
  • Rack length sized for up to 6' of linear movement from rotary motion
  • Meets AGMA commercial class standards

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: B0051V9RSY
  • Average Customer Review: 5.0 out of 5 stars  See all reviews (1 customer review)
  • Manufacturer’s warranty can be requested from customer service. Click here to make a request to customer service.

Product Description

This Martin gear rack is 6' in length and is used with a spur gear pinion to convert rotary motion into linear motion. It is made of high alloy steel for strength and durability. The 20-degree pressure angle (PA) provides a lower contact ratio between gears than a 14.5-degree pressure angle. The rack length is sized for up to 6' of linear movement and meets American Gear Manufacturing Association (AGMA) standards 6-8 for commercial class gears. This gear rack is intended for use with matching pinion gears with the same pressure angle, number of teeth, and diametral pitch (number of teeth per inch). It is suitable for use in a variety of commercial and industrial applications, such as machine tool tables, lift mechanisms, guide mechanisms, and shakers, among others.

Rack and pinion gears are made of a small round spur gear (the pinion) and a flat bar with evenly spaced teeth (the rack). Rack and pinion gears convert rotational motion into linear motion. As the pinion turns, its teeth mesh with the rack’s teeth to move it in a straight line. Gears are available in a variety of materials, including stainless steel, cast iron, brass, and plastic, depending on application. There are several other factors to consider when selecting the appropriate gear for an application. The gear’s outside diameter is the longest linear distance across a gear. The bore diameter is the distance across the hole located in the center of a gear, where the mounting shaft will be inserted. The hub diameter is the distance from one tip of the shoulder (the hub) to the other. The thickness is the distance measured from the tip of a gear tooth to the gear’s bore or base (for a gear rack). The number of the teeth refers to the number of teeth around a gear. The pitch, also called the diametral pitch, is the number of teeth divided by the pitch diameter, and it can also serve as a guide for tooth size. Rack and pinion gears are commonly used in automotive steering, meat processing, and rack railways, among other applications.

Martin Sprocket & Gear manufactures power transmission products, material handling components, and industrial hand tools. The company, founded in 1951 and headquartered in Arlington, TX, meets International Organization for Standardization (ISO) standard 9001:2008.

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Most Helpful Customer Reviews

1 of 1 people found the following review helpful By Tyler on October 3, 2014
Face Width: 1.5Mounting Distance: 1.333Pitch: 6Thickness: 1.5 Verified Purchase
Priced pretty well. Installed it with hanger sprockets(used to rotate 20 pound hangers) running across it every 8 inches at 10 feet per minute for 24 hours a day/7 days a week, inside a 220F oven for probably 4 months now. Removed it today and it showed only a slight bit of wear. That comes out to about 2.5 million cycles! Granted it didn't have much force on it but still think it did pretty well
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