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Martin Spur Gear, 20° Pressure Angle, High Carbon Steel, Inch, 4 Pitch

Available in multiple versions

Price: $29.48 - $1,687.23
Product Specifications
Brand Name Martin
Part Number B007NO5ALU
Material Type High Carbon Steel
Bore Diameter Tolerance + 0.001 - 0.000  inches
Face Width 3.500  inches
Pitch 4
Size 50
UNSPSC Code 31171707

Currently showing 1-20 of 20
The Amazon Standard Item Number (ASIN) uniquely identifies the item in the Amazon catalog.
Pitch Diameter String Outside Diameter Bore Diameter Number of Teeth Price Quantity
B004BDO4NQ 4 inches 35 inches 1-1/8 inches 12
B004BDO4O0 4 inches 4 inches 1-1/8 inches 14
B004BDO4OA 4 inches 4.25 inches 1-1/8 inches 15
B004BDO4OK 4 inches 4.5 inches 1-1/8 inches 16
B004BDO4OU 4 inches 5 inches 1-1/8 inches 18
B004BDO4P4 4 inches 5.5 inches 1-1/8 inches 20
B004BDO4PE 4 inches 6 inches 1-1/8 inches 22
B004BDO4PO 4 inches 6.5 inches 1-1/8 inches 24
B004BDO4PY 4 inches 7.5 inches 1-1/8 inches 28
B004BDO4Q8 4 inches 8 inches 1-1/4 inches 30
B004BDO4QI 4 inches 8.5 inches 1-1/4 inches 32
B004BDO4QS 4 inches 9.5 inches 1-1/4 inches 36
B004BDO4R2 4 inches 10.5 inches 1-1/4 inches 40
B004BDO4RC 4 inches 11.5 inches 1-1/4 inches 44
B004BDO4RM 4 inches 12.5 inches 1-1/4 inches 48
B004BDO4RW 4 inches 14.5 inches 1-1/4 inches 56
B004BDO4S6 4 inches 15.5 inches 1-1/4 inches 60
B004BDO4SG 4 inches 16.5 inches 1-1/4 inches 64
B004BDO4SQ 4 inches 18.5 inches 1-1/4 inches 72
B004BDO4T0 4 inches 20.5 inches 1-1/4 inches 80
Currently showing 1-20 of 20
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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 20 degrees for a lower contact ratio between gears, resulting in higher load capacity than smaller pressure angles
  • Diametral pitch of 4 for applications where transferring torque is more important than controlling changes in speed and direction of rotation with precision
  • High carbon steel for tensile strength and hardness

Product Description

The Martin high carbon steel gear with 20-degree pressure angle (PA) and a diametral pitch (DP) of 4 transmits torque between parallel shafts to provide rotational power to another part of a motorized system. It has a 20-degree pressure angle for a lower contact ratio between gears than larger pressure angles, resulting in higher load capacity than smaller pressure angles, and a 4-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 high carbon steel for tensile strength and hardness. 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.

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: B007NO5ALU
  • Product Warranty: For warranty information about this product, please click here

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