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Product Specifications:
| Item | Spur Gear |
| Bore Dia. | 1/2" |
| Diametral Pitch | 12" |
| Face Width | 3/4" |
| Hub Dia. | 1 1/2" |
| Hub Projection | 1/2" |
| Material | Non-Metallic |
| No. Of Teeth | 21 |
| Output Dia. | 1 23/25" |
| Overall Length | 1 1/4" |
| Pitch Dia. | 1 3/4" |
| Pressure Angle | 14.5° |
| Product Datasheet | boston-gear-g101.pdf |
| Type | Plain |
Shipping Info:
| Ship weight (kg) | 0.05 |
| Ship height (cm) | 2.54 |
| Ship length (cm) | 3.18 |
| Ship width (cm) | 2.54 |
| Country of Origin | US |
Documentation:
Product Variants
| Product | Model | Diametral Pitch | Bore Dia. | Pitch Dia. | Hub Dia. | Overall Length | Pressure Angle | Face Width | Hub Projection | Price | |
|---|---|---|---|---|---|---|---|---|---|---|---|
![]() |
QD36 | 12" | 5/8" | 3" | - | 3/4" | 14.5° | 3/4" | - | €234.78 | |
![]() |
QD48 | 12" | 5/8" | 4" | - | 3/4" | 14.5° | 3/4" | - | €385.72 | |
![]() |
QD60 | 12 | - | - | - | - | 14.5° | 3/4" | - | €484.04 | |
![]() |
QDH15 | 12" | 1/2" | 1 1/4" | 1" | 1 1/4" | 14.5° | 3/4" | 1/2" | €213.86 | |
![]() |
QDH18 | 12" | 1/2" | 1 1/2" | 1 1/4" | 1 1/4" | 14.5° | 3/4" | 1/2" | €217.73 | |
![]() |
QDH24 | 12" | 5/8" | 2" | 1 3/4" | 1 1/4" | 14.5° | 3/4" | 1/2" | €248.06 | |
![]() |
QDH30 | 12" | 5/8" | 2 1/2" | 2 1/4" | 1 1/4" | 14.5° | 3/4" | 1/2" | €264.66 |
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BOSTON GEAR QDH21 Spur Gear, 12 Diametral Pitch, 14 1/2 Deg. Pressure Angle, 21 Teeth, Non-Metal
€235.52 /unit







