Quality Transmission is the largest North American supplier of off-the-shelf metric gearing. KHK Stock Gears are proudly produced by Kohara Gear Industry of Saitama Japan and stocked in North America by Quality Transmission Components



Specifications
Precision grade JIS B 1702 grade 5 Material ABC2 (Aliminum bronze)
Reference
section of gear		 Normal plane Surface treatment -
Gear teeth Standard full depth Surface finish Cut
Normal pressure angle 20 Datum reference surface
for gear cutting		 Bore
Helix angle 45


S1

Module 1

Catalog No. Spiral
hand		 Module No. of
teeth		 Bore Hub dia. Pitch dia. Outside dia. Face width Hub width Total length Shape Allowable
torque(kgfm)		 Allowable
torque(Nm)		 Backlash
(mm)		 Weight
(kgf)		 Catalog No.
m z AH7 B C D E F G Bending
strength		 Surface
durability		 Bending
strength		 Surface
durability
AN1-13R
[ DXF|DWG | 3D CAD]
AN1-13L
[ DXF|DWG | 3D CAD]
 R

L

 1 13 6 15 18.38 20.38 10 10 20 S1 - 0.03 - 0.31 0.080.18 0.03 AN1-13R

AN1-13L

AN1-15R
[ DXF|DWG | 3D CAD]
AN1-15L
[ DXF|DWG | 3D CAD]
 R

L

 1 15 6 18 21.21 23.21 10 10 20 S1 - 0.05 - 0.48 0.080.18 0.05 AN1-15R

AN1-15L

Module 1.5

Catalog No. Spiral
hand		 Module No. of
teeth		 Bore Hub dia. Pitch dia. Outside dia. Face width Hub width Total length Shape Allowable
torque(kgfm)		 Allowable
torque(Nm)		 Backlash
(mm)		 Weight
(kgf)		 Catalog No.
m z AH7 B C D E F G Bending
strength		 Surface
durability		 Bending
strength		 Surface
durability
AN1.5-10R
[ DXF|DWG | 3D CAD]
AN1.5-10L
[ DXF|DWG | 3D CAD]
 R

L

 1.5 10 8 16 21.21 24.21 15 10 25 S1 - 0.05 - 0.48 0.10.2 0.05 AN1.5-10R

AN1.5-10L

AN1.5-13R
[ DXF|DWG | 3D CAD]
AN1.5-13L
[ DXF|DWG | 3D CAD]
 R

L

 1.5 13 10 23 27.58 30.58 15 10 25 S1 - 0.1 - 1.03 0.120.22 0.08 AN1.5-13R

AN1.5-13L

AN1.5-15R
[ DXF|DWG | 3D CAD]
AN1.5-15L
[ DXF|DWG | 3D CAD]
 R

L

 1.5 15 10 25 31.82 34.82 15 10 25 S1 - 0.16 - 1.55 0.120.22 0.11 AN1.5-15R

AN1.5-15L

Module 2

Catalog No. Spiral
hand		 Module No. of
teeth		 Bore Hub dia. Pitch dia. Outside dia. Face width Hub width Total length Shape Allowable
torque(kgfm)		 Allowable
torque(Nm)		 Backlash
(mm)		 Weight
(kgf)		 Catalog No.
m z AH7 B C D E F G Bending
strength		 Surface
durability		 Bending
strength		 Surface
durability
AN2-10R
[ DXF|DWG | 3D CAD]
AN2-10L
[ DXF|DWG | 3D CAD]
 R

L

 2 10 12 22 28.28 32.28 20 15 35 S1 - 0.11 - 1.1 0.120.22 0.11 AN2-10R

AN2-10L

AN2-13R
[ DXF|DWG | 3D CAD]
AN2-13L
[ DXF|DWG | 3D CAD]
 R

L

 2 13 12 30 36.77 40.77 20 15 35 S1 - 0.24 - 2.36 0.120.26 0.22 AN2-13R

AN2-13L

AN2-15R
[ DXF|DWG | 3D CAD]
AN2-15L
[ DXF|DWG | 3D CAD]
 R

L

 2 15 12 35 42.43 46.43 20 15 35 S1 - 0.36 - 3.56 0.120.26 0.31 AN2-15R

AN2-15L

Module 2.5

Catalog No. Spiral
hand		 Module No. of
teeth		 Bore Hub dia. Pitch dia. Outside dia. Face width Hub width Total length Shape Allowable
torque(kgfm)		 Allowable
torque(Nm)		 Backlash
(mm)		 Weight
(kgf)		 Catalog No.
m z AH7 B C D E F G Bending
strength		 Surface
durability		 Bending
strength		 Surface
durability
AN2.5-10R
[ DXF|DWG | 3D CAD]
AN2.5-10L
[ DXF|DWG | 3D CAD]
 R

L

 2.5 10 12 26 35.36 40.36 22 16 38 S1 - 0.21 - 2.11 0.120.24 0.2 AN2.5-10R

AN2.5-10L

AN2.5-13R
[ DXF|DWG | 3D CAD]
AN2.5-13L
[ DXF|DWG | 3D CAD]
 R

L

 2.5 13 15 35 45.96 50.96 22 16 38 S1 - 0.46 - 4.48 0.140.28 0.35 AN2.5-13R

AN2.5-13L

AN2.5-15R
[ DXF|DWG | 3D CAD]
AN2.5-15L
[ DXF|DWG | 3D CAD]
 R

L

 2.5 15 15 40 53.03 58.03 22 16 38 S1 - 0.69 - 6.72 0.140.28 0.48 AN2.5-15R

AN2.5-15L

Module 3

Catalog No. Spiral
hand		 Module No. of
teeth		 Bore Hub dia. Pitch dia. Outside dia. Face width Hub width Total length Shape Allowable
torque(kgfm)		 Allowable
torque(Nm)		 Backlash
(mm)		 Weight
(kgf)		 Catalog No.
m z AH7 B C D E F G Bending
strength		 Surface
durability		 Bending
strength		 Surface
durability
AN3-10R
[ DXF|DWG | 3D CAD]
AN3-10L
[ DXF|DWG | 3D CAD]
 R

L

 3 10 15 34 42.43 48.43 25 18 43 S1 - 0.36 - 3.56 0.140.26 0.34 AN3-10R

AN3-10L

AN3-13R
[ DXF|DWG | 3D CAD]
AN3-13L
[ DXF|DWG | 3D CAD]
 R

L

 3 13 20 45 55.15 61.15 25 18 43 S1 - 0.77 - 7.51 0.160.32 0.55 AN3-13R

AN3-13L

AN3-15R
[ DXF|DWG | 3D CAD]
AN3-15L
[ DXF|DWG | 3D CAD]
 R

L

 3 15 20 50 63.64 69.64 25 18 43 S1 - 1.15 - 11.25 0.160.32 0.77 AN3-15R

AN3-15L

Module 4

Catalog No. Spiral
hand		 Module No. of
teeth		 Bore Hub dia. Pitch dia. Outside dia. Face width Hub width Total length Shape Allowable
torque(kgfm)		 Allowable
torque(Nm)		 Backlash
(mm)		 Weight
(kgf)		 Catalog No.
m z AH7 B C D E F G Bending
strength		 Surface
durability		 Bending
strength		 Surface
durability
AN4-10R
[ DXF|DWG | 3D CAD]
AN4-10L
[ DXF|DWG | 3D CAD]
 R

L

 4 10 20 45 56.57 64.57 30 20 50 S1 - 0.82 - 8.07 0.160.34 0.7 AN4-10R

AN4-10L

AN4-13R
[ DXF|DWG | 3D CAD]
AN4-13L
[ DXF|DWG | 3D CAD]
 R

L

 4 13 20 60 73.54 81.54 30 20 50 S1 - 1.72 - 16.86 0.180.38 1.3 AN4-13R

AN4-13L

AN4-15R
[ DXF|DWG | 3D CAD]
AN4-15L
[ DXF|DWG | 3D CAD]
 R

L

 4 15 20 70 84.85 92.85 30 20 50 S1 - 2.56 - 25.07 0.180.38 1.8 AN4-15R

AN4-15L
CAUTION: For offset shaft applications, RH and RH or LH and LH are meshed to make up a set of screw gears or crossed-helical gears. For parallel shaft applications, mesh opposite hands for helical gear sets. See the "Selection Hints" in this catalog.
CAUTION: The maximum allowable sliding speed of AN gears due to heat is 5 m/s
NOTE: The allowable torques shown in the table are calculated from the Niemann formula. Please see the "Selection Hints" for further detail.
NOTE: The backlash values shown in the table are the theoretical values in the normal direction of a pair of identical gears in mesh.

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