SR28 Spur Gearbox - Round

$5.49MSRP

Key Data

Gear Ratio
8 :1
Max Continuous Torque
0.5 kgf·cm
Breaking Torque
1.5 kgf·cm
Gearbox Efficiency
81 %
Gearbox Weight
33 g
Gearbox Options7 variants
SR28 8:1

Compatible Gear Motors1 products

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Model & Selection

Model & Specification Comparison

SKUGearbox TypeGearbox ModelGear RatioNumber Of Gear StagesGearbox DiameterGearbox LengthMax Continuous TorqueBreaking TorqueGearbox EfficiencyGearbox WeightShaft DiameterPinion Hole DiameterOperating Temperature RangeGearbox Housing MaterialGear MaterialGear DesignOutput Shaft BearingLubricant In GearboxAxial PlayRadial PlayBacklashGear Module
SR2880000Spur Gearbox - RoundSR288 :1328 mm22.5 mm0.5 kgf·cm1.5 kgf·cm81 %33 g4 mmφ2.3 mm-30 ~ 65 CZinc Alloy (Die casting)Powder Metallurgy (Fe) / Plastics / SteelHelical Gear / Spur GearSleeve BearingFUMIO0.3 mm0.05 mm2 °0.4 M
SR2812000Spur Gearbox - RoundSR2812 :1328 mm22.5 mm0.5 kgf·cm1.5 kgf·cm73 %33 g4 mmφ2.3 mm-30 ~ 65 CZinc Alloy (Die casting)Powder Metallurgy (Fe) / Plastics / SteelHelical Gear / Spur GearSleeve BearingFUMIO0.3 mm0.05 mm2 °0.4 M
SR2824000Spur Gearbox - RoundSR2824 :1428 mm22.5 mm1 kgf·cm3 kgf·cm66 %34 g4 mmφ2.3 mm-30 ~ 65 CZinc Alloy (Die casting)Powder Metallurgy (Fe) / Plastics / SteelHelical Gear / Spur GearSleeve BearingFUMIO0.3 mm0.05 mm2 °0.4 M
SR2836000Spur Gearbox - RoundSR2836 :1428 mm22.5 mm1 kgf·cm3 kgf·cm66 %34 g4 mmφ2.3 mm-30 ~ 65 CZinc Alloy (Die casting)Powder Metallurgy (Fe) / Plastics / SteelHelical Gear / Spur GearSleeve BearingFUMIO0.3 mm0.05 mm2 °0.4 M
SR2848000Spur Gearbox - RoundSR2848 :1528 mm22.5 mm1.2 kgf·cm3.6 kgf·cm59 %34 g4 mmφ2.3 mm-30 ~ 65 CZinc Alloy (Die casting)Powder Metallurgy (Fe) / Plastics / SteelHelical Gear / Spur GearSleeve BearingFUMIO0.3 mm0.05 mm2 °0.4 M
SR2872000Spur Gearbox - RoundSR2872 :1528 mm22.5 mm1.2 kgf·cm3.6 kgf·cm59 %34 g4 mmφ2.3 mm-30 ~ 65 CZinc Alloy (Die casting)Powder Metallurgy (Fe) / Plastics / SteelHelical Gear / Spur GearSleeve BearingFUMIO0.3 mm0.05 mm2 °0.4 M
SR2810800Spur Gearbox - RoundSR28108 :1528 mm22.5 mm1.2 kgf·cm3.6 kgf·cm59 %34 g4 mmφ2.3 mm-30 ~ 65 CZinc Alloy (Die casting)Powder Metallurgy (Fe) / Plastics / SteelHelical Gear / Spur GearSleeve BearingFUMIO0.3 mm0.05 mm2 °0.4 M

Technical Specifications

Gearbox TypeSpur Gearbox - Round
Gearbox ModelSR28
Gear Ratio8 :1
Number Of Gear Stages3
Gearbox Diameter28 mm
Gearbox Length22.5 mm
Max Continuous Torque0.5 kgf·cm
Breaking Torque1.5 kgf·cm
Gearbox Efficiency81 %
Gearbox Weight33 g
Shaft Diameter4 mm
Pinion Hole Diameterφ2.3 mm
Operating Temperature Range-30 ~ 65 C
Gearbox Housing MaterialZinc Alloy (Die casting)
Gear MaterialPowder Metallurgy (Fe) / Plastics / Steel
Gear DesignHelical Gear / Spur Gear
Output Shaft BearingSleeve Bearing
Lubricant In GearboxFUMIO
Axial Play0.3 mm
Radial Play0.05 mm
Backlash2 °
Gear Module0.4 M

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