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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 (kgf  m) |
Allowable torque (N m) |
Backlash (mm) |
Weight (kgf) |
Catalog No. | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| m | z | AH7 | B | C | D | E | F | G | Bending strength |
Surface durability |
Bending strength |
Surface durability | ||||||
|
SN2.5-10R [ DXF|DWG | 3D CAD] SN2.5-10L [ DXF|DWG | 3D CAD] |
R L |
2.5 | 10 | 12 | 26 | 35.36 | 40.36 | 22 | 16 | 38 | S1 | - | 0.13 | - | 1.26 | 0.12 0.24 |
0.2 | SN2.5-10R SN2.5-10L |
|
SN2.5-13R [ DXF|DWG | 3D CAD] SN2.5-13L [ DXF|DWG | 3D CAD] |
R L |
2.5 | 13 | 15 | 35 | 45.96 | 50.96 | 22 | 16 | 38 | S1 | - | 0.27 | - | 2.69 | 0.140.28 |
0.35 | SN2.5-13R SN2.5-13L |
|
SN2.5-15R [ DXF|DWG | 3D CAD] SN2.5-15L [ DXF|DWG | 3D CAD] |
R L |
2.5 | 15 | 15 | 40 | 53.03 | 58.03 | 22 | 16 | 38 | S1 | - | 0.41 | - | 4.03 | 0.140.28 |
0.49 | SN2.5-15R SN2.5-15L |
|
SN2.5-20R [ DXF|DWG | 3D CAD] SN2.5-20L [ DXF|DWG | 3D CAD] |
R L |
2.5 | 20 | 20 | 60 | 70.71 | 75.71 | 22 | 16 | 38 | S1 | - | 0.92 | - | 9.07 | 0.140.28 |
0.95 | SN2.5-20R SN2.5-20L |
|
SN2.5-26R [ DXF|DWG | 3D CAD] SN2.5-26L [ DXF|DWG | 3D CAD] |
R L |
2.5 | 26 | 20 | 70 | 91.92 | 96.92 | 22 | 16 | 38 | S1 | - | 1.91 | - | 18.75 | 0.160.34 |
1.5 | SN2.5-26R SN2.5-26L |
|
SN2.5-30R [ DXF|DWG | 3D CAD] SN2.5-30L [ DXF|DWG | 3D CAD] |
R L |
2.5 | 30 | 20 | 80 | 106.07 | 111.07 | 22 | 16 | 38 | S1 | - | 2.83 | - | 27.73 | 0.160.34 |
2.1 | SN2.5-30R SN2.5-30L |
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 (kgf m) |
Allowable torque (N m) |
Backlash (mm) |
Weight (kgf) |
Catalog No. | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| m | z | AH7 | B | C | D | E | F | G | Bending strength |
Surface durability |
Bending strength |
Surface durability | ||||||
|
SN3-10R [ DXF|DWG | 3D CAD] SN3-10L [ DXF|DWG | 3D CAD] |
R L |
3 | 10 | 15 | 34 | 42.43 | 48.43 | 25 | 18 | 43 | S1 | - | 0.22 | - | 2.14 | 0.140.26 |
0.34 | SN3-10R SN3-10L |
|
SN3-13R [ DXF|DWG | 3D CAD] SN3-13L [ DXF|DWG | 3D CAD] |
R L |
3 | 13 | 20 | 45 | 55.15 | 61.15 | 25 | 18 | 43 | S1 | - | 0.46 | - | 4.51 | 0.160.32 |
0.55 | SN3-13R SN3-13L |
|
SN3-15R [ DXF|DWG | 3D CAD] SN3-15L [ DXF|DWG | 3D CAD] |
R L |
3 | 15 | 20 | 50 | 63.64 | 69.64 | 25 | 18 | 43 | S1 | - | 0.69 | - | 6.75 | 0.160.32 |
0.78 | SN3-15R SN3-15L |
|
SN3-20R [ DXF|DWG | 3D CAD] SN3-20L [ DXF|DWG | 3D CAD] |
R L |
3 | 20 | 20 | 60 | 84.85 | 90.85 | 25 | 18 | 43 | S1 | - | 1.53 | - | 15.04 | 0.160.32 |
1 | SN3-20R SN3-20L |
|
SN3-26R [ DXF|DWG | 3D CAD] SN3-26L [ DXF|DWG | 3D CAD] |
R L |
3 | 26 | 20 | 80 | 110.31 | 116.31 | 25 | 18 | 43 | S1 | - | 3.14 | - | 30.84 | 0.180.38 |
2.5 | SN3-26R SN3-26L |
|
SN3-30R [ DXF|DWG | 3D CAD] SN3-30L [ DXF|DWG | 3D CAD] |
R L |
3 | 30 | 20 | 90 | 127.28 | 133.28 | 25 | 18 | 43 | S1 | - | 4.62 | - | 45.35 | 0.180.38 |
3.3 | SN3-30R SN3-30L |
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 (kgf m) |
Allowable torque (N m) |
Backlash (mm) |
Weight (kgf) |
Catalog No. | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| m | z | AH7 | B | C | D | E | F | G | Bending strength |
Surface durability |
Bending strength |
Surface durability | ||||||
|
SN4-10R [ DXF|DWG | 3D CAD] SN4-10L [ DXF|DWG | 3D CAD] |
R L |
4 | 10 | 20 | 45 | 56.57 | 64.57 | 30 | 20 | 50 | S1 | - | 0.49 | - | 4.84 | 0.160.34 |
0.7 | SN4-10R SN4-10L |
|
SN4-13R [ DXF|DWG | 3D CAD] SN4-13L [ DXF|DWG | 3D CAD] |
R L |
4 | 13 | 20 | 60 | 73.54 | 81.54 | 30 | 20 | 50 | S1 | - | 1.03 | - | 10.12 | 0.180.38 |
1.3 | SN4-13R SN4-13L |
|
SN4-15R [ DXF|DWG | 3D CAD] SN4-15L [ DXF|DWG | 3D CAD] |
R L |
4 | 15 | 20 | 70 | 84.85 | 92.85 | 30 | 20 | 50 | S1 | - | 1.53 | - | 15.04 | 0.180.38 |
1.9 | SN4-15R SN4-15L |
|
SN4-20R [ DXF|DWG | 3D CAD] SN4-20L [ DXF|DWG | 3D CAD] |
R L |
4 | 20 | 20 | 90 | 113.14 | 121.14 | 30 | 20 | 50 | S1 | - | 3.37 | - | 33.03 | 0.180.38 |
3.3 | SN4-20R SN4-20L |
|
SN4-26R [ DXF|DWG | 3D CAD] SN4-26L [ DXF|DWG | 3D CAD] |
R L |
4 | 26 | 20 | 100 | 147.08 | 155.08 | 30 | 20 | 50 | S1 | - | 6.8 | - | 66.66 | 0.220.44 |
5.2 | SN4-26R SN4-26L |
|
SN4-30R [ DXF|DWG | 3D CAD] SN4-30L [ DXF|DWG | 3D CAD] |
R L |
4 | 30 | 20 | 110 | 169.71 | 177.71 | 30 | 20 | 50 | S1 | - | 9.9 | - | 97.13 | 0.220.44 |
6.7 | SN4-30R SN4-30L |
|
|
| 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 2.5 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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