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Product Specifications:
| Item | Gear |
| Bore Dia. | 3/4" |
| Diametral Pitch | 16" |
| Face Width | 1/2" |
| Hub Dia. | 1 14/25" |
| Key Way Size | 3/16" x 3/32" |
| Kwy/setscrew/other | With Double Keyway Only |
| Material | Cast Iron |
| No. Of Teeth | 51 |
| Output Dia. | 3.31" |
| Pitch Dia. | 3.188" |
| Pressure Angle | 14.5° |
| Product Datasheet | boston-gear-g101.pdf |
| Product Series | GB Series |
| Type | Plain |
Shipping Info:
| Ship weight (kg) | 0.32 |
| Ship height (cm) | 2.54 |
| Ship length (cm) | 2.54 |
| Ship width (cm) | 2.54 |
| Country of Origin | US |
Documentation:
Product Variants
| Product | Model | Pitch Dia. | No. Of Teeth | Face Width | Hub Dia. | Diametral Pitch | Type | Kwy/setscrew/other | Max. Torque | Price | |
|---|---|---|---|---|---|---|---|---|---|---|---|
![]() |
GB41B | 2.563" | 41 | 1/2" | 1 14/25" | 16" | Plain | With Double Keyway Only | - | €165.81 | |
![]() |
GB42B | 2 5/8" | 42 | 1/2" | 1 14/25" | 16" | Plain | With Double Keyway Only | - | €170.01 | |
![]() |
GB43B | 2.688" | 43 | 1/2" | 1.56" | 16 | - | With Double Kwy Only | 83.2 lbs.-in. @ 900 RPM | €173.79 | |
![]() |
GB44B | 2 3/4" | 44 | 1/2" | 1 14/25" | 16" | Plain | With Double Keyway Only | - | €173.79 | |
![]() |
GB45B | 2.813" | 45 | 1/2" | 1 14/25" | 16" | Plain | With Double Keyway Only | - | €173.79 | |
![]() |
GB46B | 2 7/8" | 46 | 1/2" | 1 14/25" | 16" | Plain | With Double Keyway Only | - | €179.07 | |
![]() |
GB47B | 2.938" | 47 | 1/2" | 1 14/25" | 16" | Plain | With Double Keyway Only | - | €179.07 |
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BOSTON GEAR GB51B Change Gear, 16 Diametral Pitch, 14 1/2 Deg. Pressure Angle, 51 Teeth, Cast Iron
€184.19 /unit







