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MartinHMK1221B

HMK1221B

Miter Gear
Item #100811507
  • 20° Pressure Angle
  • 21 Teeth
  • 12 Diametral Pitch
  • 0.39 in Face Width
  • 1.75 in Pitch Diameter
  • Bored to Size
  • 0.625 in Finished Bore
  • 0.625 in Minimum Bore Size
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MartinHMK1221B
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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.
Outside Dia. 1.868 in
Diametral Pitch 12
Bore Size 0.625 in
Hardened Teeth With Hardened Teeth
Torque at 200 RPM 221 lb/in
Torque at 1800 RPM 105 lb/in
Torque at 600 RPM 504 lb/in
Pitch Diameter 1.75 in
Spiral Direction Straight
Inch/Metric Inch
Ratio 1:1
Torque at 300 RPM 315 lb/in
Set Screw 1
Length Through Bore 1.19 in
Set Screw Size 1/4-20 x 1/4
Finished Bore 5/8 in
Torque at 900 RPM 662 lb/in
Mounting Distance 1 3/4 in
Set Screw Location Over Keyway
Pressure Angle 20 °
No. of Teeth 21
Hub O.D. 1 3/8 in
Hub Projection 0.688 in
Keyway 3/16 x 3/32
Torque at 1200 RPM 131 lb/in
Bore Type Bored to Size
Material Steel
Weight 0.42 LB
EAN or UPC 697950052229
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