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Boston GearD620A LH

D620A LH

Double Lead Worm Gear
Item #101776394
  • 6 Diametral Pitch, 20 Teeth, 14.5 Pressure Angle, LH, Double Thread, Cast Iron Worm Gear
Boston GearD620A LH
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  • 6 Diametral Pitch, 20 Teeth, 14.5 Pressure Angle, LH, Double 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
Right / Left Hand Left Hand
Pressure Angle 14.5 °
Helix Angle 9° 28'
Hardened Teeth Without Hardened Teeth
Pitch Diameter 3.333 in
Flush Face to Worm Centerline 0.5
Diametral Pitch 6
Length Through Bore 1.88 in
Hub Dia. 2 in
No. of Leads Double
Material Cast Iron
No. of Teeth 20
Bore Size 1 in
Weight 3.401 LB
EAN or UPC 781711133286
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