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NA20B-1/2 - 20DP, 14 1/2 PA, 20 Teeth Spur Gear by Boston Gear

20DP, 14 1/2 PA, 20 Teeth, Steel, NA20B-1/2 Boston Gear Spur Gears are designed to transmit motion and power between parallel shafts. They are the most widely used gear type applied in moderate speed applications like hoisting equipment, mill drives and general machinery. You can download the product's 3D model below.

MPN: NA20B-1/2

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Specifications

pitch diameter	1.00 in
hub diameter	0.84 in
outside diameter	1.10 in
keyway	W/ 1/4-20 SS Only
face width	0.38 in
material	Steel

pressure angle	14-1/2 Degree Pressure Angle
bore size	0.50 in
number of teeth	20
diametral pitch	20
setscrew other	W/ 1/4-20 SS Only
torque rating	29.7 @1800 RPM in lb

Related Literature & Videos

Boston-Gears_Bearings_Couplings_and_Shaft_Accessories.pdf

Spur-Gears-Catalog.pdf

Spur-Gears-Engineering-Data.pdf

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