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Boston GearD1620A

D1620A

Quadruple Lead Worm Gear
Item #101774264
  • 8 Diametral Pitch, 20 Teeth, 14.5 Pressure Angle, RH, Quadruple Thread, Cast Iron Worm Gear
Boston GearD1620A
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  • 8 Diametral Pitch, 20 Teeth, 14.5 Pressure Angle, RH, Quadruple Thread, Cast Iron Worm Gear

description

  • The efficiency of a worm gear drive depends on the lead angle and number of starts in the worm. The angle generally decreases with increasing ratio and worm pitch diameter. For increased efficiency the ratio should be kept low.

features

  • Increased efficiency with lower ratios
  • Resistance to back driving with some ratios
  • Minimal space requirements
  • High ratio speed reduction
  • Smoothest, quietest form of gearing
  • 90° nonintersecting shaft applications
Hub Dia. 1 3/4 in
Flush Face to Worm Centerline 0.375
Pitch Diameter 2.5 in
No. of Leads Quadruple
Diametral Pitch 8
No. of Teeth 20
Helix Angle 18° 26'
Right / Left Hand Right Hand
Bore Size 1 in
Material Cast Iron
Pressure Angle 14.5 °
Hardened Teeth Without Hardened Teeth
Length Through Bore 1.5 in
Weight 1.301 LB
EAN or UPC 781711133804
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