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Boston GearD1621A

D1621A

Quadruple Lead Worm Gear
Item #101774265
  • 8 Diametral Pitch, 30 Teeth, 14.5 Pressure Angle, RH, Quadruple Thread, Cast Iron Worm Gear
Boston GearD1621A
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  • 8 Diametral Pitch, 30 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

  • Resistance to back driving with some ratios
  • Minimal space requirements
  • High ratio speed reduction
  • Smoothest, quietest form of gearing
  • 90° nonintersecting shaft applications
  • Increased efficiency with lower ratios
Hardened Teeth Without Hardened Teeth
Helix Angle 18° 26'
Pressure Angle 14.5 °
Flush Face to Worm Centerline 0.375
No. of Leads Quadruple
Hub Dia. 1.69 in
No. of Teeth 30
Bore Size 1 in
Length Through Bore 1.5 in
Right / Left Hand Right Hand
Pitch Diameter 3.75 in
Diametral Pitch 8
Material Cast Iron
Weight 2.301 LB
EAN or UPC 781711133828
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