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SG37A Spur Gearbox - Round

SG37A Series

The SG37A is a 37 mm round spur gearbox with a sleeve-bearing output shaft. Its ratios span several stages, with the gearbox body length changing between configurations.

Product Highlights

  • Listed gear ratios: 10–2430:1
  • Gearbox diameter: 37 mm
  • Output bearing: sleeve bearing
  • Gearbox length: 22.5–29 mm

Customization Available

  • Custom output shaft dimensions and features
  • Mounting and mechanical integration
  • Gear ratios
  • Special lubricants

Product Specifications

ModelSG37A1000SG37A2000SG37A3000SG37A4000SG37A6000SG37A9000SG37A1001SG37A1200SG37A1800SG37A2700SG37A3001SG37A5400SG37A8100SG37A1080SG37A1620SG37A2430
Gearbox TypeSpur Gearbox - RoundSpur Gearbox - RoundSpur Gearbox - RoundSpur Gearbox - RoundSpur Gearbox - RoundSpur Gearbox - RoundSpur Gearbox - RoundSpur Gearbox - RoundSpur Gearbox - RoundSpur Gearbox - RoundSpur Gearbox - RoundSpur Gearbox - RoundSpur Gearbox - RoundSpur Gearbox - RoundSpur Gearbox - RoundSpur Gearbox - Round
Gearbox ModelSG37SG37SG37SG37SG37SG37SG37SG37SG37SG37SG37SG37SG37SG37SG37SG37
Gear Ratio (:1)102030406090100120180270300540810108016202430
Max. Input Speed (rpm)————————————————
Number Of Gear Stages2334444555566777
Gearbox Diameter (mm)37373737373737373737373737373737
Gearbox Length (mm)22.522.522.525252525272727272929292929
Max Continuous Torque (mN·m)98.07196.13196.13294.20392.27392.27392.27588.40588.40588.40588.40588.40588.40588.40588.40588.40
Breaking Torque (mN·m)294.20588.40588.40882.601176.801176.801176.801765.201765.201765.201765.201765.201765.201765.201765.201765.20
Gearbox Efficiency (%)81737366666666595959595353484848
Gearbox Weight (kg)0.0640.070.070.0760.0760.0760.0760.0820.0820.0820.0820.0880.0880.0960.0960.096
Shaft Diameter (mm)6666666666666666
Pinion Hole Diameter (mm)φ2φ2φ2φ2φ2φ2φ2φ2φ2φ2φ2φ2φ2φ2φ2φ2
Operating Temperature Range (°C)-30 ~ 65-30 ~ 65-30 ~ 65-30 ~ 65-30 ~ 65-30 ~ 65-30 ~ 65-30 ~ 65-30 ~ 65-30 ~ 65-30 ~ 65-30 ~ 65-30 ~ 65-30 ~ 65-30 ~ 65-30 ~ 65
Gearbox Housing MaterialZinc Alloy (Die casting)Zinc Alloy (Die casting)Zinc Alloy (Die casting)Zinc Alloy (Die casting)Zinc Alloy (Die casting)Zinc Alloy (Die casting)Zinc Alloy (Die casting)Zinc Alloy (Die casting)Zinc Alloy (Die casting)Zinc Alloy (Die casting)Zinc Alloy (Die casting)Zinc Alloy (Die casting)Zinc Alloy (Die casting)Zinc Alloy (Die casting)Zinc Alloy (Die casting)Zinc Alloy (Die casting)
Gear MaterialPowder Metallurgy (Fe) / Plastics / SteelPowder Metallurgy (Fe) / Plastics / SteelPowder Metallurgy (Fe) / Plastics / SteelPowder Metallurgy (Fe) / Plastics / SteelPowder Metallurgy (Fe) / Plastics / SteelPowder Metallurgy (Fe) / Plastics / SteelPowder Metallurgy (Fe) / Plastics / SteelPowder Metallurgy (Fe) / Plastics / SteelPowder Metallurgy (Fe) / Plastics / SteelPowder Metallurgy (Fe) / Plastics / SteelPowder Metallurgy (Fe) / Plastics / SteelPowder Metallurgy (Fe) / Plastics / SteelPowder Metallurgy (Fe) / Plastics / SteelPowder Metallurgy (Fe) / Plastics / SteelPowder Metallurgy (Fe) / Plastics / SteelPowder Metallurgy (Fe) / Plastics / Steel
Gear DesignHelical Gear / Spur GearHelical Gear / Spur GearHelical Gear / Spur GearHelical Gear / Spur GearHelical Gear / Spur GearHelical Gear / Spur GearHelical Gear / Spur GearHelical Gear / Spur GearHelical Gear / Spur GearHelical Gear / Spur GearHelical Gear / Spur GearHelical Gear / Spur GearHelical Gear / Spur GearHelical Gear / Spur GearHelical Gear / Spur GearHelical Gear / Spur Gear
Output Shaft BearingSleeve BearingSleeve BearingSleeve BearingSleeve BearingSleeve BearingSleeve BearingSleeve BearingSleeve BearingSleeve BearingSleeve BearingSleeve BearingSleeve BearingSleeve BearingSleeve BearingSleeve BearingSleeve Bearing
Lubricant In GearboxFUMIOFUMIOFUMIOFUMIOFUMIOFUMIOFUMIOFUMIOFUMIOFUMIOFUMIOFUMIOFUMIOFUMIOFUMIOFUMIO
Axial Play (mm)0.350.350.350.350.350.350.350.350.350.350.350.350.350.350.350.35
Radial Play (mm)0.050.050.050.050.050.050.050.050.050.050.050.050.050.050.050.05
Backlash (°)2222222222222222
Gear Module (M)0.50.50.50.50.50.50.50.50.50.50.50.50.50.50.50.5

Product downloads

Specification3D CAD
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