Boston Gear NF20B

Boston Gear

Gear, Spur, 10 Pitch

NF20B 157048
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ItemSpur Gear
Pitch Dia. (In.)2.000
Face Width (In.)1.000
Number of Teeth20
Bore Dia. (In.)0.750
Outside Dia. (In.)2.200
Overall Length (In.)1.630
Hub Dia. (In.)1.61
Hub Projection (In.)0.63
Pressure Angle (Deg.)14 1/2
SetscrewNot Included
For Use With 1L903, 1L904
Agency ComplianceAGMA
Weight 1.200000


Spur Gear, 10 Pitch, Pitch Dia 2.000 In, Face Width 1.000 In, Number of Teeth 20, Bore Dia 0.750 In, Outside Dia 2.200 In, Overall Length 1.630 In, Hub Dia 1.61 In, Hub Projection 0.63 In, Pressure Angle 14 1/2 Deg, Keyway None, Setscrew Not Included, Steel Material

  • Note: Keyway and Setscrew Machining Guide is on page 169.

Spur Gears
  • Designed for transmitting motion and power between parallel shafts in a smooth, quiet fashion. Industry standard 14-1/2 pressure angle (will not operate with 20 spurs). Close concentricity between bore, pitch diameter, and outside diameter facilitates reboring modifications.
  • Gears have plain/smooth bore, no keyway No setscrew (1L944 has #35 pin hole in 1 wall) Use with steel rack on this page

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