BOSTON GEAR 20 Diametral Pitch Steel Spur Gears, 14.5 Degree Pressure Angle
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T1| Style | Model | Pitch Dia. | Face Width | Hub Dia. | Diametral Pitch | Bore Dia. | Hub Projection | Outside Dia. | Type | Price | |
|---|---|---|---|---|---|---|---|---|---|---|---|
| A | NA11B | 0.6" | 0.38" | 0" | 20 | - | - | 0.7" | - | €43.38 | |
| B | NA14B | 0.7" | 3/8" | 14/25" | 20" | 0.313" | 0.38" | - | Plain | €49.23 | |
| C | NA18B-3/8 | 0.9" | 3/8" | 0.73" | 20 | 3/8" | - | 1" | A | €72.72 | |
| D | NA18B | 0.9" | 3/8" | 0.74" | 20" | 3/8" | 0.38" | - | Plain | €54.15 | |
| E | NA13B | 0.65" | 3/8" | 1/2" | 20" | 0.313" | 0.38" | - | Plain | €46.15 | |
| F | NA13B-5/16 | 0.65" | 3/8" | 1/2" | 20 | 0.313" | - | 3/4" | A | €60.57 | |
| G | NA30B-3/8 | 1 1/2" | 3/8" | 1.22" | 20 | 3/8" | - | 1.6" | A | €102.58 | |
| H | NA30B-1/2 | 1 1/2" | 3/8" | 1.22" | 20" | 1/2" | 0.38" | - | Plain | €100.32 | |
| I | NA25B | 1 1/4" | 3/8" | 0.97" | 20" | 3/8" | 0.38" | - | Plain | €70.47 | |
| J | NA25B-1/2 | 1 1/4" | 3/8" | 0.97" | 20" | 1/2" | 0.38" | - | Plain | €92.63 | |
| K | NA25B-3/8 | 1 1/4" | 3/8" | 0.97" | 20 | 3/8" | - | 1.35" | A | €92.63 | |
| L | NA24-3/8 | 1 1/5" | 3/8" | 23/25" | 20" | 3/8" | 0.38" | - | Plain | €93.23 | |
| M | NA24 | 1 1/5" | 3/8" | 23/25" | 20" | 3/8" | 0.38" | - | Plain | €67.84 | |
| N | NA28B | 1 2/5" | 3/8" | 1 3/25" | 20" | 3/8" | 0.38" | - | Plain | €71.60 | |
| O | NA35-1/2 | 1 3/4" | 3/8" | 1.45" | 20" | 1/2" | 1/2" | - | Plain | €131.11 | |
| P | NA35-3/8 | 1 3/4" | 3/8" | 1.45" | 20 | 3/8" | - | 1.85" | A | €134.41 | |
| Q | NA32-3/8 | 1 3/5" | 3/8" | 1 8/25" | 20" | 3/8" | 1/2" | - | Plain | €119.31 | |
| R | NA32-1/2 | 1 3/5" | 3/8" | 1.31" | 20" | 1/2" | 1/2" | - | Plain | €116.47 | |
| S | NA32 | 1 3/5" | 3/8" | 1.31" | 20 | 3/8" | 0.5" | 1.7" | - | €91.19 | |
| T | NA36-1/2 | 1 4/5" | 3/8" | 1 13/25" | 20" | 1/2" | 1/2" | - | Plain | €137.43 | |
| U | NA20B-1/2 | 1" | 3/8" | 0.84" | 20 | 1/2" | - | 1.1" | A | €88.11 | |
| V | NA20B | 1" | 3/8" | 21/25" | 20" | 3/8" | 0.38" | - | Plain | €60.93 | |
| W | NA20B-3/8 | 1" | 3/8" | 21/25" | - | - | 0.38" | - | Plain | €79.35 | |
| X | NA22B-3/8 | 1.1" | 3/8" | 0.83" | 20" | 3/8" | 0.38" | - | Plain | €89.45 | |
| Y | NA22B-1/2 | 1.1" | 3/8" | 0.83" | 20" | - | 0.38" | - | Plain | €91.72 | |
| Z | NA22B | 1.1" | 0.38" | 0" | 20 | - | - | 1.2" | - | €67.24 | |
| A1 | NA24-1/2 | 1.2" | 3/8" | 0.92" | 20 | 1/2" | - | 1.3" | A | €93.23 | |
| B1 | NA28B-1/2 | 1.4" | 3/8" | 1.11" | 20 | 1/2" | - | 1 1/2" | A | €94.89 | |
| C1 | NA30B | 1.5" | 0.38" | 0" | 20 | - | - | 1.6" | - | €72.62 | |
| D1 | NA36 | 1.8" | 0.38" | 0" | 20 | - | - | 1.9" | - | €100.71 | |
| E1 | NA36-3/8 | 1.8" | 3/8" | 1.52" | 20 | 3/8" | - | 1.9" | A | €137.43 | |
| F1 | NA35 | 1.75" | 0.38" | 0" | 20 | - | - | 1.85" | - | €96.54 | |
| G1 | NA50A | 2 1/2" | 3/8" | 1.42" | 20" | 3/8" | 1/2" | - | Plain | €131.22 | |
| H1 | NA48A | 2 2/5" | 3/8" | 1.33" | 20" | 3/8" | 1/2" | - | Plain | €131.06 | |
| I1 | NA40-5/8 | 2" | 3/8" | 1.72" | 20 | 5/8" | - | 2.1" | A | €139.41 | |
| J1 | NA40-3/4 | 2" | 3/8" | 1.72" | 20 | 3/4" | - | 2.1" | A | €143.62 | |
| K1 | NA40-3/8 | 2" | 3/8" | 1 18/25" | 20" | 3/8" | 1/2" | - | Plain | €139.41 | |
| L1 | NA40-1/2 | 2" | 3/8" | 1 18/25" | 20" | 1/2" | 1/2" | - | Plain | €139.41 | |
| M1 | NA40 | 2" | 3/8" | 1 18/25" | 20" | 3/8" | 1/2" | - | Plain | €101.16 | |
| N1 | NA64A | 3 1/5" | 3/8" | 2 3/25" | 20" | 3/8" | 1/2" | - | Plain | €172.61 | |
| O1 | NA60A | 3" | 3/8" | 1 23/25" | 20" | 3/8" | 1/2" | - | Plain | €144.81 | |
| P1 | NA15B | 3/4" | 3/8" | 3/5" | 20" | 3/8" | 0.38" | - | Plain | €50.76 | |
| Q1 | NA15B-3/8 | 3/4" | 3/8" | 0.59" | 20" | 3/8" | 0.38" | - | Plain | €67.55 | |
| R1 | NA12B-5/16 | 3/5" | 3/8" | 0.45" | 20" | 0.313" | 0.38" | - | Plain | €57.14 | |
| S | NA12B | 3/5" | 3/8" | 0.45" | 20 | 5/16" | 0.38" | 0.7" | - | €48.67 | |
| S1 | NA16B | 4/5" | 3/8" | 0.66" | 20" | 3/8" | 0.38" | - | Plain | €52.60 | |
| T1 | NA16B-3/8 | 4/5" | 3/8" | 16/25" | 20" | 3/8" | 0.38" | - | Plain | €71.89 |