Precision Spur Gears, Helical Tooth Left Hand, Module 3
Material: Steel 16MnCr5, case hardened approx. 60 HRC. Teeth, bores and faces ground. Helical tooth system, left hand 19° 31' 42''. Tooth quality 7e25. Keyways in accordance with DIN 6885/1, tolerance P9. Note: These gears are designed to be used in combination with our helical-toothed right-handed gear racks. If this gear is used to drive a mating gear instead, this mating gear must have the same lead angle and the opposite tooth direction (right hand).
| SKU | No. of Teeth | b [mm] | Fig. | d [mm] | da [mm] | BH6 [mm] | ND [mm] | L [mm] | u [mm] | t [mm] | admiss. MD [Nm] | Weight |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 25302022 | 20 | 28 | 2 | 63,66 | 69,7 | 22 | 36 | 56 | 6 | 24,8 | 275 | 0,6 |
| 25302025 | 20 | 28 | 2 | 63,66 | 69,7 | 25 | 44 | 60 | 8 | 28,3 | 275 | 0,7 |
| 25302030 | 20 | 28 | 1 | 63,66 | 69,7 | 30 | 45 | 30 | 8 | 33,3 | 275 | 0,8 |
| 25302032 | 20 | 28 | 2 | 63,66 | 69,7 | 32 | 55 | 65 | 10 | 35,3 | 275 | 0,8 |
| 25302035 | 20 | 28 | 1 | 63,66 | 69,7 | 35 | 48 | 30 | 10 | 38,3 | 275 | 0,7 |
| 25302225 | 22 | 28 | 1 | 70,03 | 76,0 | 25 | 36 | 30 | 8 | 28,3 | 345 | 0,8 |
| 25302230 | 22 | 28 | 1 | 70,03 | 76,0 | 30 | 45 | 30 | 8 | 33,3 | 345 | 0,7 |
| 25302235 | 22 | 28 | 1 | 70,03 | 76,0 | 35 | 48 | 30 | 10 | 38,3 | 345 | 0,7 |
| 25302522 | 25 | 28 | 2 | 79,58 | 85,6 | 22 | 36 | 56 | 6 | 24,8 | 440 | 1,0 |
| 25302525 | 25 | 28 | 1 | 79,58 | 85,6 | 25 | 36 | 30 | 8 | 28,3 | 440 | 1,0 |
| 25302530 | 25 | 28 | 1 | 79,58 | 85,6 | 30 | 45 | 30 | 8 | 33,3 | 440 | 1,0 |
| 25302532 | 25 | 28 | 2 | 79,58 | 85,6 | 32 | 55 | 65 | 10 | 35,3 | 440 | 1,2 |
| 25302535 | 25 | 28 | 1 | 79,58 | 85,6 | 35 | 48 | 30 | 10 | 38,3 | 440 | 0,9 |
| 25302540 | 25 | 28 | 1 | 79,58 | 85,6 | 40 | 70 | 50 | 12 | 43,3 | 440 | 1,1 |