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MartinM1221B

M1221B

Miter Gear
Item #100811539
  • 20° Pressure Angle
  • 21 Teeth
  • 12 Diametral Pitch
  • 0.39 in Face Width
  • 1.75 in Pitch Diameter
  • Reborable
  • 0.625 in Minimum Bore Size
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MartinM1221B
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    Shipment Options
  • 20° Pressure Angle
  • 21 Teeth
  • 12 Diametral Pitch
  • 0.39 in Face Width
  • 1.75 in Pitch Diameter

description

  • All standard stock miter gears must be mounted at right angles (90°) for proper tooth bearings.

features

  • All Martin Gears are cut with the 20° pressure angle system
  • Hardened miter gears have approximately 50% more horsepower capacity and provide greater gear wear than untreated gears
  • The mounting distance must be held in order to maintain proper bachlash between gears. The use of a straight mineral oil as a lubricant is recommended for most miter gear applications
  • All Martin Miter Gears are cut with the 20° pressure angle system.
  • The use of a straight mineral oil as a lubricant is recommended for most Miter Gear applications.
Pitch Diameter 1.75 in
Torque at 1800 RPM 60 lb/in
Torque at 200 RPM 126 lb/in
Diametral Pitch 12
Length Through Bore 1.19 in
Torque at 300 RPM 158 lb/in
Spiral Direction Straight
Bore Type Reborable
Hardened Teeth Without Hardened Teeth
Outside Dia. 1.868 in
Torque at 600 RPM 284 lb/in
Bore Size 0.625 in
Inch/Metric Inch
Torque at 900 RPM 378 lb/in
Material Steel
No. of Teeth 21
Mounting Distance 1 3/4 in
Ratio 1:1
Torque at 1200 RPM 74 lb/in
Hub Projection 0.688 in
Hub O.D. 1 3/8 in
Pressure Angle 20 °
Bore Size [Max] 0.6885 in
Weight 0.43 LB
EAN or UPC 697950052182
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