The MSGA & MSGB Ground Spur Gears are made from a chrome-alloy steel and are carburized and ground finished. This results in a high-strength, abrasion-resistant and compact designed Spur Gear.
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MSGA & MSGB Ground Spur Gears

KHK MSGA1-18, Module 1, 18 Tooth, Ground Alloy Steel Spur Gears
MSGA & MSGB Ground Spur Gears

KHK MSGA1-20, Module 1, 20 Tooth, Ground Alloy Steel Spur Gears
MSGA & MSGB Ground Spur Gears

KHK MSGA1-24, Module 1, 24 Tooth, Ground Alloy Steel Spur Gears
MSGA & MSGB Ground Spur Gears

KHK MSGA1-25, Module 1, 25 Tooth, Ground Alloy Steel Spur Gears
MSGA & MSGB Ground Spur Gears

KHK MSGA1-30, Module 1, 30 Tooth, Ground Alloy Steel Spur Gears
Gear Type N/A Spur Gears
Construction N/A Ground Alloy Steel Spur Gears
Bore Type N/A Ground
Module N/A 1
No. of Teeth N/A 18 N/A 20 N/A 24 N/A 25 N/A 30
Shape N/A S1
Bore Diameter (A) N/A 0.315 in8 mm N/A 0.315 in8 mm N/A 0.394 in10 mm N/A 0.394 in10 mm N/A 0.394 in10 mm
Hub Diameter (B) N/A 0.591 in15 mm N/A 0.669 in17 mm N/A 0.787 in20 mm N/A 0.787 in20 mm N/A 0.984 in25 mm
Pitch Diameter (C) N/A 0.709 in18 mm N/A 0.787 in20 mm N/A 0.945 in24 mm N/A 0.984 in25 mm N/A 1.181 in30 mm
Outer Diameter (D) N/A 0.787 in20 mm N/A 0.866 in22 mm N/A 1.024 in26 mm N/A 1.063 in27 mm N/A 1.260 in32 mm
Face Width (E) N/A 0.394 in10 mm
Hub Width (F) N/A 0.197 in5 mm
Total Length (G) N/A 0.591 in15 mm
Web Thickness (H) N/A
Web O.D. (I) N/A
Keyway (W x D) N/A 0.118 x 0.055 in3 x 1.4 mm N/A 0.118 x 0.055 in3 x 1.4 mm N/A 0.157 x 0.071 in4 x 1.8 mm N/A 0.157 x 0.071 in4 x 1.8 mm N/A 0.157 x 0.071 in4 x 1.8 mm
Bending Strength N/A 12.1 N·m1.24 kgf·m N/A 14.2 N·m1.45 kgf·m N/A 18.5 N·m1.88 kgf·m N/A 19.6 N·m2 kgf·m N/A 25.1 N·m2.56 kgf·m
Surface Durability N/A 6.37 N·m0.65 kgf·m N/A 8.04 N·m0.82 kgf·m N/A 12 N·m1.22 kgf·m N/A 13.1 N·m1.33 kgf·m N/A 19 N·m1.94 kgf·m
Backlash N/A 0.0031-0.0063 in0.08-0.16 mm
Precision Grade N/A JIS grade N5 (JIS B1702-1:1998)
Gear Teeth Type N/A Standard Full Depth
Pressure Angle N/A 20 º
Material N/A SCM415 (AISI 4115) Alloy Steel
Heat Treatment N/A Carburized
Tooth Hardness N/A HRC 55-60
Weight N/A 0.02 kg0.044 lb N/A 0.027 kg0.060 lb N/A 0.038 kg0.084 lb N/A 0.041 kg0.090 lb N/A 0.065 kg0.143 lb