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S2020BS 1/2

Steel Spur Gear

Item #100968622
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Product details

  • Spur Gear
  • Type B
  • 14.5° Pressure Angle
  • 20 Teeth
  • 20 Diametral Pitch


  • Martin Stock Spur Gears are available in five different styles. Contact your local Applied® service center for other styles. Steel gears are furnished in plain style and plain style with hub. Cast gears are furnished plain with hub, web with lightening holes and with spoke. Cast gears are cast with larger hub to provide extra strength and to allow for larger bores.


  • More cost effective, quieter running and metallic options
  • Four ball wear test 40 kg: 63 mm
  • Reliability from steel, cast iron and brass
  • Parallel shaft applications
  • Base oil viscosity: 500 SUS @ 100 °F


Hub Dia. 0.859 in
AGMA Quality 6
Hardened Teeth Without Hardened Teeth
Material Steel
Bore Dia. [Min] 1/2 in
Pressure Angle 14.5 °
Bore Dia. [Max] 1/2 in
Diametral Pitch 20
Torque at 1200 RPM 17.332 lb/in
Torque at 900 RPM 18.908 lb/in
Torque at 200 RPM 22.059 lb/in
Origin Finished Bore
Type B
Set Screw Size N/A
Pitch Diameter [Min] 1 in
Bore Type Reborable
Outside Dia. 1.1000 in
Set Screw Yes
Length Through Bore 3/4 in
Hub Projection 3/8 in
Torque at 600 RPM 19.958 lb/in
Torque at 1800 RPM 16.106 lb/in
Bore Size 1/2 in
Torque at 300 RPM 21.008 lb/in
Keyway w/o Keyway
No. of Teeth 20
Pitch Diameter 1 in
Outside Dia. [Min] 1.1000 in
Weight 0.1 LB
EAN or UPC 697950439617
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