Specifications Precision grade JIS B 1704 grade 4 Core hardness HB165194 Gear teeth Gleason Surface hardness HRC4853 Pressure angle 20 Surface treatment Black oxide Helix angle 35 Surface finish Hobbed Material S45C (Carbon steel) Datum reference surface for gear cutting Bore Heat treatment Teeth induction hardened

B3

25 Tooth Miter Module 16

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Catalog No. Direction of Spiral Module No. of teeth Bore Hub dia. Pitch dia. Outside dia. Mounting distance Total length Crown to back length Hub width Length of bore Face width Holding surface dia. Face angle Shape Allowable torque (kgfm) Allowable torque (Nm) Backlash (mm) Weight (kgf) Catalog No. m z A B C D E F G H I J K L Bending strength Surface durability Bending strength Surface durability SMS1-25R [ DXF| DWG| 3D CAD] SMS1-25L [ DXF| DWG| 3D CAD] R L 1 25 6 20 25 26.22 23 15.09 11.11 8 14 6 15.03 4838' B3 0.1746 0.1309 1.712 1.284 0.030.13 0.05 SMS1-25R SMS1-25L SMS1.25-25R [ DXF| DWG| 3D CAD] SMS1.25-25L [ DXF| DWG| 3D CAD] R L 1.25 25 8 25 31.25 32.75 28 17.78 13.13 9.25 16 7 18.7 4822' B3 0.3271 0.2481 3.208 2.433 0.040.14 0.06 SMS1.25-25R SMS1.25-25L SMS1.5-25R [ DXF| DWG| 3D CAD] SMS1.5-25L [ DXF| DWG| 3D CAD] R L 1.5 25 10 30 37 39.3 34 22.14 16.15 11.5 19 9 19.54 4822' B3 0.5894 0.4507 5.78 4.42 0.050.15 0.12 SMS1.5-25R SMS1.5-25L SMS2-25R [ DXF| DWG| 3D CAD] SMS2-25L [ DXF| DWG| 3D CAD] R L 2 25 12 40 50 52.38 40 24.2 16.19 10 20 12 26.06 4812' B3 1.397 1.087 13.7 10.66 0.060.16 0.2 SMS2-25R SMS2-25L SMS2.5-25R [ DXF| DWG| 3D CAD] SMS2.5-25L [ DXF| DWG| 3D CAD] R L 2.5 25 16 50 62.5 65.54 50 30.24 20.27 12.5 26 15 34.57 4826' B3 2.729 2.152 26.76 21.1 0.070.17 0.4 SMS2.5-25R SMS2.5-25L SMS3-25R [ DXF| DWG| 3D CAD] SMS3-25L [ DXF| DWG| 3D CAD] R L 3 25 20 60 75 78.77 60 37.57 24.39 15 32 20 37.43 4852' B3 5.004 3.982 49.07 39.05 0.080.18 0.7 SMS3-25R SMS3-25L SMS3.5-25R [ DXF| DWG| 3D CAD] SMS3.5-25L [ DXF| DWG| 3D CAD] R L 3.5 25 25 70 87.5 91.81 70 42.98 28.41 17.5 37 22 46.77 4837' B3 7.692 6.177 75.43 60.58 0.10.25 1.1 SMS3.5-25R SMS3.5-25L SMS4-25R [ DXF| DWG| 3D CAD] SMS4-25L [ DXF| DWG| 3D CAD] R L 4 25 28 80 100 104.7 80 49.14 32.35 20 43 25 55.29 4752' B3 11.45 9.253 112.3 90.74 0.120.27 1.7 SMS4-25R SMS4-25L SMS5-25R [ DXF| DWG| 3D CAD] SMS5-25L [ DXF| DWG| 3D CAD] R L 5 25 28 100 125 130.86 100 60.59 40.43 25 50 30 65.15 4749' B3 21.83 17.84 214.1 174.9 0.140.34 3.4 SMS5-25R SMS5-25L SMS6-25R [ DXF| DWG| 3D CAD] SMS6-25L [ DXF | DWG| 3D CAD] R L 6 25 28 120 150 157.17 120 71.97 48.58 30 61 35 83 4809' B3 36.35 30.57 356.5 299.8 0.160.36 5.4 SMS6-25R SMS6-25L

Pitch Angle 45

30 Tooth Miter Module 15

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Catalog No. Hand of thread Module No. of teeth Bore Hub dia. Pitch dia. Outside dia. Mounting distance Total length Crown to back length Hub width Length of bore Face width Holding surface dia. Face angle Shape Allowable torque (kgfm) Allowable torque (Nm) Backlash (mm) Weight (kgf) Catalog No. m z A B C D E F G H I J K L Bending strength Surface durability Bending strength Surface durability SMS1-30R [ DXF| DWG| 3D CAD] SMS1-30L [ DXF| DWG| 3D CAD] R L 1 30 8 24 30 31.26 28 17.61 13.63 10 16 6 19.03 4829' B3 0.232 0.2067 2.275 2.027 0.030.13 0.05 SMS1-30R SMS1-30L SMS1.25-30R [ DXF| DWG| 3D CAD] SMS1.25-30L [ DXF| DWG| 3D CAD] R L 1.25 30 10 30 37.5 39 36 23.38 18 13.5 21 8 22.37 4748' B3 0.4728 0.4255 4.637 4.173 0.040.14 0.13 SMS1.25-30R SMS1.25-30L SMS1.5-30R [ DXF| DWG| 3D CAD] SMS1.5-30L [ DXF| DWG| 3D CAD] R L 1.5 30 10 36 45 46.8 43 28.11 21.42 16 25 10 25.72 4803' B3 0.8384 0.7627 8.222 7.479 0.050.15 0.2 SMS1.5-30R SMS1.5-30L SMS2-30R [ DXF| DWG| 3D CAD] SMS2-30L [ DXF| DWG| 3D CAD] R L 2 30 12 45 60 62.42 50 29.27 21.21 12.5 25 12 36.06 4753' B3 1.856 1.72 18.2 16.87 0.060.16 0.37 SMS2-30R SMS2-30L SMS2.5-30R [ DXF| DWG| 3D CAD] SMS2.5-30L [ DXF| DWG| 3D CAD] R L 2.5 30 16 60 75 78.04 62 36.08 26.02 17 32 15 47.57 4758' B3 3.625 3.402 35.55 33.36 0.070.17 0.77 SMS2.5-30R SMS2.5-30L SMS3-30R [ DXF| DWG| 3D CAD] SMS3-30L [ DXF| DWG| 3D CAD] R L 3 30 20 70 90 93.61 75 45.25 31.8 20 40 20 53.43 4748' B3 6.708 6.35 65.78 62.27 0.080.18 1.3 SMS3-30R SMS3-30L SMS3.5-30R [ DXF| DWG| 3D CAD] SMS3.5-30L [ DXF| DWG| 3D CAD] R L 3.5 30 25 90 105 109.21 85 49.4 34.6 25 45 22 67.77 4748' B3 10.26 9.79 100.6 96.01 0.10.25 2.3 SMS3.5-30R SMS3.5-30L SMS4-30R [ DXF| DWG| 3D CAD] SMS4-30L [ DXF| DWG| 3D CAD] R L 4 30 28 100 120 124.71 95 54.28 37.35 25 50 25 79.29 4726' B3 15.25 14.65 149.5 143.7 0.120.27 3.2 SMS4-30R SMS4-30L SMS5-30R [ DXF| DWG| 3D CAD] SMS5-30L [ DXF| DWG| 3D CAD] R L 5 30 28 130 150 155.89 120 68.2 47.95 35 62 30 99.15 4736' B3 29 28.13 284.4 275.9 0.140.34 6 SMS5-30R SMS5-30L

Pitch Angle 45

CAUTION:	A set of miter gears must be identical in module and number of teeth, but opposite in spiral hands.
CAUTION:	Dimensions of the outside diameter, the overall length and crown to back length are all theoretical values, and some differences will occur due to the corner chamfering of the gear tips.
NOTE:	The items listed above as are available from stock until current inventory is exhausted. At that time the product will only be available on a made to order custom basis.
NOTE:	Due to heat treating, some deformation of the bore may occur. It may be necessary to ream the bore to bring it to the stated dimension.
NOTE:	The allowable torques shown in the table are calculated according to JGMA Standards 403-01 and 404-01.

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