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Gearboxes
Spur Gearboxes - Round
SR25
SR25 Spur Gearbox - Round
$5.49
MSRP
Key Data
Gear Ratio 8 :1
Max Continuous Torque 0.3 gf·cm
Breaking Torque 0.9 gf·cm
Gearbox Efficiency 81 %
Gearbox Weight 33 g
Gearbox Options12 variants
SR25 8:1 Compatible Gear Motors1 products
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Model & Specification Comparison
SKU Gearbox Type Gearbox Model Gear Ratio Number Of Gear Stages Gearbox Diameter Gearbox Length Max Continuous Torque Breaking Torque Gearbox Efficiency Gearbox Weight Shaft Diameter Pinion Hole Diameter Operating Temperature Range Gearbox Housing Material Gear Material Gear Design Output Shaft Bearing Lubricant In Gearbox Axial Play Radial Play Backlash Gear Module
SR2580000 Spur Gearbox - Round SR25 8 :1 3 25 mm 23.5 mm 0.3 gf·cm 0.9 gf·cm 81 % 33 g 4 mm φ2 mm -30 ~ 65 C Zinc Alloy (Die casting) Powder Metallurgy (Fe) / Plastics / Steel Helical Gear / Spur Gear Sleeve Bearing FUMIO 0.3 mm 0.05 mm 2 ° 0.4 M SR2512000 Spur Gearbox - Round SR25 12 :1 3 25 mm 23.5 mm 0.3 gf·cm 0.9 gf·cm 81 % 33 g 4 mm φ2 mm -30 ~ 65 C Zinc Alloy (Die casting) Powder Metallurgy (Fe) / Plastics / Steel Helical Gear / Spur Gear Sleeve Bearing FUMIO 0.3 mm 0.05 mm 2 ° 0.4 M SR2519000 Spur Gearbox - Round SR25 19 :1 4 25 mm 23.5 mm 0.4 gf·cm 1.2 gf·cm 73 % 34 g 4 mm φ2 mm -30 ~ 65 C Zinc Alloy (Die casting) Powder Metallurgy (Fe) / Plastics / Steel Helical Gear / Spur Gear Sleeve Bearing FUMIO 0.3 mm 0.05 mm 2 ° 0.4 M SR2528000 Spur Gearbox - Round SR25 28 :1 4 25 mm 23.5 mm 0.4 gf·cm 1.2 gf·cm 73 % 34 g 4 mm φ2 mm -30 ~ 65 C Zinc Alloy (Die casting) Powder Metallurgy (Fe) / Plastics / Steel Helical Gear / Spur Gear Sleeve Bearing FUMIO 0.3 mm 0.05 mm 2 ° 0.4 M SR2543000 Spur Gearbox - Round SR25 43 :1 5 25 mm 27.5 mm 0.6 gf·cm 1.8 gf·cm 65 % 35 g 4 mm φ2 mm -30 ~ 65 C Zinc Alloy (Die casting) Powder Metallurgy (Fe) / Plastics / Steel Helical Gear / Spur Gear Sleeve Bearing FUMIO 0.3 mm 0.05 mm 2 ° 0.4 M SR2564000 Spur Gearbox - Round SR25 64 :1 5 25 mm 27.5 mm 0.6 gf·cm 1.8 gf·cm 65 % 35 g 4 mm φ2 mm -30 ~ 65 C Zinc Alloy (Die casting) Powder Metallurgy (Fe) / Plastics / Steel Helical Gear / Spur Gear Sleeve Bearing FUMIO 0.3 mm 0.05 mm 2 ° 0.4 M SR2599000 Spur Gearbox - Round SR25 99 :1 6 25 mm 27.5 mm 1 gf·cm 3 gf·cm 65 % 35 g 4 mm φ2 mm -30 ~ 65 C Zinc Alloy (Die casting) Powder Metallurgy (Fe) / Plastics / Steel Helical Gear / Spur Gear Sleeve Bearing FUMIO 0.3 mm 0.05 mm 2 ° 0.4 M SR2514800 Spur Gearbox - Round SR25 148 :1 6 25 mm 27.5 mm 1.2 gf·cm 3.6 gf·cm 50 % 36 g 4 mm φ2 mm -30 ~ 65 C Zinc Alloy (Die casting) Powder Metallurgy (Fe) / Plastics / Steel Helical Gear / Spur Gear Sleeve Bearing FUMIO 0.3 mm 0.05 mm 2 ° 0.4 M SR2522800 Spur Gearbox - Round SR25 228 :1 7 25 mm 31.5 mm 1.2 gf·cm 3.6 gf·cm 50 % 36 g 4 mm φ2 mm -30 ~ 65 C Zinc Alloy (Die casting) Powder Metallurgy (Fe) / Plastics / Steel Helical Gear / Spur Gear Sleeve Bearing FUMIO 0.3 mm 0.05 mm 2 ° 0.4 M SR2534000 Spur Gearbox - Round SR25 340 :1 7 25 mm 31.5 mm 1.2 gf·cm 3.6 gf·cm 50 % 36 g 4 mm φ2 mm -30 ~ 65 C Zinc Alloy (Die casting) Powder Metallurgy (Fe) / Plastics / Steel Helical Gear / Spur Gear Sleeve Bearing FUMIO 0.3 mm 0.05 mm 2 ° 0.4 M SR2552400 Spur Gearbox - Round SR25 524 :1 8 25 mm 31.5 mm 1.5 gf·cm 4.5 gf·cm 40 % 37 g 4 mm φ2 mm -30 ~ 65 C Zinc Alloy (Die casting) Powder Metallurgy (Fe) / Plastics / Steel Helical Gear / Spur Gear Sleeve Bearing FUMIO 0.3 mm 0.05 mm 2 ° 0.4 M SR2578300 Spur Gearbox - Round SR25 783 :1 8 25 mm 31.5 mm 1.5 gf·cm 4.5 gf·cm 40 % 37 g 4 mm φ2 mm -30 ~ 65 C Zinc Alloy (Die casting) Powder Metallurgy (Fe) / Plastics / Steel Helical Gear / Spur Gear Sleeve Bearing FUMIO 0.3 mm 0.05 mm 2 ° 0.4 M
Technical Specifications Technical Specifications Gearbox Type Spur Gearbox - Round Gearbox Model SR25 Gear Ratio 8 :1 Number Of Gear Stages 3 Gearbox Diameter 25 mm Gearbox Length 23.5 mm Max Continuous Torque 0.3 gf·cm Breaking Torque 0.9 gf·cm Gearbox Efficiency 81 % Gearbox Weight 33 g Shaft Diameter 4 mm Pinion Hole Diameter φ2 mm Operating Temperature Range -30 ~ 65 C Gearbox Housing Material Zinc Alloy (Die casting) Gear Material Powder Metallurgy (Fe) / Plastics / Steel Gear Design Helical Gear / Spur Gear Output Shaft Bearing Sleeve Bearing Lubricant In Gearbox FUMIO Axial Play 0.3 mm Radial Play 0.05 mm Backlash 2 ° Gear Module 0.4 M
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