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Boston GearD1421A RH

D1421A RH

Double Lead Worm Gear
Item #101774603
  • 8 Diametral Pitch, 30 Teeth, 14.5 Pressure Angle, RH, Double Thread, Cast Iron Worm Gear
Boston GearD1421A RH
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  • 8 Diametral Pitch, 30 Teeth, 14.5 Pressure Angle, RH, 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
Pressure Angle 14.5 °
Bore Size 1 in
Hub Dia. 1.69 in
Length Through Bore 1.5 in
No. of Teeth 30
Material Cast Iron
Pitch Diameter 3.75 in
No. of Leads Double
Flush Face to Worm Centerline 0.375
Diametral Pitch 8
Right / Left Hand Right Hand
Hardened Teeth Without Hardened Teeth
Helix Angle 9° 28'
Weight 2.401 LB
EAN or UPC 781711133088
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