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Specification | 3.5 | |
Precision Grade | ISO 1328 grade 8 | |
Gear teeth | Standard full depth | |
Pressure Angle(α) | 20° | |
Material | S45C | |
Heat Treatment | Black oxide coated except for teeth | |
Hardness | 200~270HB | |
Module | No. of teeth | Bore (Ah7) | Hub dia.(B) | Pitch dia.(C) | Outside dia.(D) | Face width(E) | Hub width(F) | Total Length(G) |
1 | 18 | 8 | 15 | 18 | 20 | 10 | 5 | 15 |
1 | 55 | 15 | 40 | 55 | 57 | 10 | 10 | 20 |
1.5 | 40 | 16 | 35 | 60 | 63 | 15 | 10 | 25 |
2 | 50 | 22 | 50 | 100 | 104 | 20 | 10 | 30 |
2.5 | 60 | 30 | 70 | 150 | 155 | 25 | 12 | 37 |
3 | 60 | 45 | 80 | 180 | 186 | 30 | 15 | 45 |
4 | 50 | 50 | 85 | 200 | 208 | 40 | 20 | 60 |























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