Ground Helical Gears (KHG)
Helical Gears
Have excellent strength and wear resistance which allow your designs to be more compact.
Unit of Measure
Items |
![]() KHG1-20L KHK KHG1-20L, Module 1, 20 Tooth, Left Hand, Ground Helical Gears |
![]() KHG1-20LJ6 KHK KHG1-20LJ6, Module 1, 20 Tooth, Left Hand, Ground Helical Gears |
![]() KHG1-20R KHK KHG1-20R, Module 1, 20 Tooth, Right Hand, Ground Helical Gears |
![]() KHG1-20RJ6 KHK KHG1-20RJ6, Module 1, 20 Tooth, Right Hand, Ground Helical Gears |
![]() KHG1-22L KHK KHG1-22L, Module 1, 22 Tooth, Left Hand, Ground Helical Gears |
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Gear Type | N/A Helical Gears | |||||||||
Construction | N/A Ground Helical Gears | |||||||||
Bore Type | N/A Ground | N/A Finished | N/A Ground | N/A Finished | N/A Ground | |||||
Tansverse Module | N/A 1 | |||||||||
No. of Teeth | N/A 20 | N/A 20 | N/A 20 | N/A 20 | N/A 22 | |||||
Direction of Helix | N/A Left Hand | N/A Left Hand | N/A Right Hand | N/A Right Hand | N/A Left Hand | |||||
Shape | N/A S1 | N/A S1T | N/A S1 | N/A S1T | N/A S1 | |||||
Bore Diameter (A) | N/A 0.236 in6 mm | N/A 0.236 in6 mm | N/A 0.236 in6 mm | N/A 0.236 in6 mm | N/A 0.315 in8 mm | |||||
Hub Diameter (B) | N/A 0.669 in17 mm | N/A 0.669 in17 mm | N/A 0.669 in17 mm | N/A 0.669 in17 mm | N/A 0.709 in18 mm | |||||
Pitch Diameter (C) | N/A 0.787 in20 mm | N/A 0.787 in20 mm | N/A 0.787 in20 mm | N/A 0.787 in20 mm | N/A 0.866 in22 mm | |||||
Outer Diameter (D) | N/A 0.866 in22 mm | N/A 0.866 in22 mm | N/A 0.866 in22 mm | N/A 0.866 in22 mm | N/A 0.945 in24 mm | |||||
Face Width (E) | N/A 0.315 in8 mm | |||||||||
Hub Width (F) | N/A 0.394 in10 mm | |||||||||
Total Length (G) | N/A 0.709 in18 mm | |||||||||
Set Screw Size | N/A | N/A M4 | N/A | N/A M4 | N/A | |||||
Set Screw Offset (J) | N/A | N/A 0.197 in5 mm | N/A | N/A 0.197 in5 mm | N/A | |||||
Keyway (W x D) | N/A | |||||||||
Bending Strength | N/A 7.79 N·m0.79 kgf·m | N/A 7.79 N·m0.79 kgf·m | N/A 7.79 N·m0.79 kgf·m | N/A 7.79 N·m0.79 kgf·m | N/A 8.92 N·m0.91 kgf·m | |||||
Surface Durability | N/A 4.98 N·m0.51 kgf·m | N/A 4.98 N·m0.51 kgf·m | N/A 4.98 N·m0.51 kgf·m | N/A 4.98 N·m0.51 kgf·m | N/A 6.14 N·m0.63 kgf·m | |||||
Backlash | N/A 0.0031-0.0063 in0.08-0.16 mm | |||||||||
Precision Grade | N/A JIS grade N6 (JIS B1702-1:1998) | |||||||||
Reference Section of Gear | N/A Rotating Plane | |||||||||
Gear Teeth Type | N/A Standard Full Depth | |||||||||
Transverse Pressure Angle | N/A 20 º | |||||||||
Helix Angle | N/A 21º30' | |||||||||
Material | N/A SCM440 | |||||||||
Tooth Hardness | N/A HRC 50-60 | |||||||||
Heat Treatment | N/A Thermal Refined, Tooth Surface Induction Hardened | |||||||||
Surface Treatment | N/A Black oxide coated except for ground part | |||||||||
Weight | N/A 0.034 kg0.075 lb | N/A 0.033 kg0.073 lb | N/A 0.034 kg0.075 lb | N/A 0.033 kg0.073 lb | N/A 0.037 kg0.082 lb | |||||
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