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Product Specifications:
| Item | Gear |
| Bore Dia. | 3/4" |
| Diametral Pitch | 16" |
| Face Width | 1/2" |
| Hub Type | No Hub |
| Keyway Size | 3/16" x 3/32" |
| Material | Steel |
| No. Of Teeth | 21 |
| Output Dia. | 1 11/25" |
| Overall Length | 1/2" |
| Pitch Dia. | 1.313" |
| Pressure Angle | 14.5° |
| Product Datasheet | boston-gear-g101.pdf |
| Product Series | GB Series |
| Type | Plain |
Shipping Info:
| Ship weight (kg) | 0.05 |
| Ship height (cm) | 2.54 |
| Ship length (cm) | 1.27 |
| Ship width (cm) | 2.54 |
| Country of Origin | US |
Documentation:
Product Variants
| Product | Model | Diametral Pitch | Face Width | Bore Dia. | Pitch Dia. | Pressure Angle | Number Of Teeth | Material | Overall Length | Price | |
|---|---|---|---|---|---|---|---|---|---|---|---|
![]() |
GB20 | 16" | 1/2" | 3/4" | 1 1/4" | 14.5° | - | Steel | 1/2" | €89.81 | |
![]() |
GB22 | 16" | 1/2" | 1" | 1 3/8" | 14.5° | - | Steel | 1/2" | €97.73 | |
![]() |
GB23 | 16" | 1/2" | 3/4" | 1.438" | 14.5° | - | Steel | 1/2" | €99.51 | |
![]() |
GB24 | 16" | 1/2" | 3/4" | 1 1/2" | 14.5° | - | Steel | 1/2" | €102.68 | |
![]() |
GB25 | 16 | 0.5" | - | - | - | - | Steel | - | €102.68 | |
![]() |
GB26 | 16" | 1/2" | 3/4" | 1 5/8" | 14.5° | - | Steel | 1/2" | €107.30 | |
![]() |
GB27 | 16" | 1/2" | 3/4" | 1.688" | 14.5° | - | Steel | 1/2" | €106.10 |
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Contact us
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BOSTON GEAR GB21 Change Gear, 16 Diametral Pitch, 14 1/2 Deg. Pressure Angle, 21 Teeth, Steel
€92.05 /unit







