BOSTON GEAR 20 Diametral Pitch Cast Iron Spur Gears, 14.5 Degree Pressure Angle
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N| Style | Model | Pitch Dia. | No. Of Teeth | Face Width | Hub Dia. | Diametral Pitch | Bore Dia. | Type | Hub Projection | Price | |
|---|---|---|---|---|---|---|---|---|---|---|---|
| A | NA70 | 3 1/2" | 70 | 0.38" | 1 1/4" | 20 | - | - | - | €159.74 | |
| B | NA72 | 3.6" | 72 | 3/8" | 1 1/4" | 20 | 3/8" | B | - | €162.14 | |
| C | NA90 | 4 1/2" | 90 | 3/8" | 1 1/4" | 20" | 1/2" | Web | 1/2" | €182.33 | |
| D | NA80 | 4" | 80 | 3/8" | 1 1/4" | 20" | 1/2" | Web | 1/2" | €164.52 | |
| E | NA84 | 4.2" | 84 | 3/8" | 1 1/4" | 20 | 1/2" | B | - | €174.56 | |
| F | NA96 | 4.8" | 96 | 3/8" | 1 1/4" | 20 | 1/2" | C | - | €190.40 | |
| G | NA100 | 5" | 100 | 3/8" | 1 1/4" | 20" | 1/2" | Spoke | 1/2" | €197.41 | |
| H | NA112 | 5.6" | 112 | 3/8" | 1 1/2" | 20 | 1/2" | D | - | €246.44 | |
| I | NA120 | 6" | 120 | 3/8" | 1 1/2" | 20" | 1/2" | Spoke | 1/2" | €252.27 | |
| J | NA144 | 7 1/5" | 144 | 3/8" | 1 1/2" | 20" | 1/2" | Spoke | 1/2" | €348.36 | |
| K | NA140 | 7" | 140 | 3/8" | 1 1/2" | 20" | 1/2" | Spoke | 1/2" | €343.41 | |
| L | NA160 | 8" | 160 | 3/8" | 0.15" | 20" | 1/2" | Spoke | 0.62" | €402.16 | |
| M | NA180 | 9" | 180 | 3/8" | 1 1/2" | 20 | 1/2" | D | - | €453.87 | |
| N | NA200B | 10" | 200 | 3/8" | 1 3/4" | 20 | 1/2" | D | 0.62" | €518.12 |