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Steel Bevel Gears & Pinion Shafts
When the number of teeth required to achieve a given ratio becomes so small that the gear cannot have a bore, it is necessary to use a pinion shaft.
| Gear ratio | Module | No. of teeth | Shape | Bore・Shaft dia. | Hub dia. | Pitch dia. | Outside dia. | Mounting distance | Total length | Crown to back length | Hub width | Length of bore・shaft | Face width | Holding surface dia. | Shaft length | Screw size | Allowable torque (N·m) | Allowable torque (kgf·m) | Backlash (mm) | Weight (kg) | ||
| B | C | D | E | F | G | H | I | J | K | M | Bending strength | Surface durability | Bending strength | Surface durability | ||||||||
| 5 | m1.5 | 60 | B4 B8 | 12 | 50 | 90 | 90.33 | 30 | 23.89 | 21.82 | 12 | 21 | 12 | 65.52 | ― | ― | 18 | 1.41 | 1.83 | 0.14 | 0.05~0.15 | 0.62 |
| 12 | 12.2 | 15 | 18 | 22.24 | 50 | 97.06 | 5.42 | 4.7 | 17.06 | ― | 80 | M5 | 4.01 | 0.46 | 0.41 | 0.047 | 0.097 | |||||
| m2 | 60 | B4 B8 | 15 | 60 | 120 | 120.43 | 40 | 31.85 | 29.09 | 16 | 24 | 16 | 86.96 | ― | ― | 42.6 | 3.43 | 4.34 | 0.35 | 0.06~0.16 | 1.34 | |
| 12 | 15.2 | 20 | 24 | 29.65 | 66 | 117.08 | 6.56 | 5.6 | 22.08 | ― | 95 | M6 | 9.5 | 1.12 | 0.97 | 0.11 | 0.19 | |||||
| m2.5 | 60 | B4 B8 | 20 | 70 | 150 | 150.54 | 50 | 39.81 | 36.36 | 20 | 34 | 20 | 108.8 | ― | ― | 83.2 | 6.85 | 8.48 | 0.7 | 0.07~0.17 | 2.54 | |
| 12 | 20.2 | 25 | 30 | 37.06 | 83 | 143.1 | 8.7 | 7.5 | 28.1 | ― | 115 | M8 | 18.5 | 2.23 | 1.89 | 0.23 | 0.4 | |||||
| m3 | 60 | B4 B8 | 20 | 80 | 180 | 180.65 | 60 | 47.43 | 43.64 | 25 | 41 | 22 | 134.73 | ― | ― | 135 | 11.4 | 13.8 | 1.16 | 0.08~0.18 | 4.18 | |
| 12 | 25.25 | 30 | 36 | 44.48 | 100 | 172.19 | 10.85 | 9.4 | 32.19 | ― | 140 | M8 | 30.1 | 3.7 | 3.07 | 0.38 | 0.74 | |||||
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