Martin W840 Reborable Web Worm Gear, 8 Diametral Pitch, 14.5 deg Pressure Angle, Single Threads, Right Hand Rotation, 40 Teeth, 5 in Dia Pitch, 1 to 1.439 in Dia Bore, 3/4 in W Face, Cast Iron
Worms and worm gears are used to power right angle, nonintersecting shafts. In normal applications the worm gear is driven by the worm. The most popular use of worms and worm gears is in applications where high ratio speed reduction is desired in a relatively limited space. They are also used in applications where high resistance to the worm gear shaft reversing and driving back through the worm is desired.
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BrandMartin
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UPC697950050485
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Manufacturer Part NumberW840
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CountryUSA|Canada
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Face Width3/4 in
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Pitch Diameter5 in
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MaterialCast Iron
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Pressure Angle14.5 deg
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TypeReborable Web
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Hub Diameter2-3/8 in
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Hub Projection7/8 in
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Diametral Pitch8
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Number of Teeth40
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Outside Diameter5.28 in
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Bore Diameter1 to 1.439 in
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Overall Length1-5/8 in
- Commercial Class Gear. AGMA 6-8
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UNSPSC31171712
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Worms and worm gears are used to power right angle, nonintersecting shafts. In normal applications the worm gear is driven by the worm. The most popular use of worms and worm gears is in applications where high ratio speed reduction is desired in a relatively limited space. They are also used in applications where high resistance to the worm gear shaft reversing and driving back through the worm is desired.
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