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Product Specifications:
| Item | Spur Gear |
| Bore Dia. | 7/8" to 1 7/16" |
| Diametral Pitch | 8 |
| Face Width | 1 1/4" |
| Hub Dia. | 2 1/4" |
| Hub Projection | 1 3/4" |
| Hub Type | B |
| Length | 2" |
| Material | Steel |
| No. Of Teeth | 21 |
| Outside Dia. | 2 7/8" |
| Pitch Dia. | 2 5/8" |
| Pressure Angle | 14.5° |
| Product Datasheet | martin-sprocket-c10112.pdf |
| Type | Reboreable |
Shipping Info:
| Ship weight (kg) | 1.05 |
| Ship height (cm) | 5.08 |
| Ship length (cm) | 7.32 |
| Ship width (cm) | 7.32 |
| Country of Origin | US |
Documentation:
Product Variants
| Product | Model | Pitch Dia. | Pressure Angle | No. Of Teeth | Face Width | Hub Dia. | Bore Dia. | Type | Hub Projection | Price | |
|---|---|---|---|---|---|---|---|---|---|---|---|
![]() |
S811 | 1 1/2" | 14.5° | 11 | 1 1/4" | 1 1/8" | 3/4" | External Tooth Reborable | 3/4" | €115.63 | |
![]() |
S812 | 1 1/2" | 14.5° | 12 | 1 1/4" | 1 1/8" | 3/4" | External Tooth Reborable | 3/4" | €115.63 | |
![]() |
S814 | 1 3/4" | 14.5° | 14 | 1 1/4" | 1 3/8" | 3/4" to 13/16" | External Tooth Reborable | 3/4" | €124.59 | |
![]() |
S815 | 1 7/8" | 14.5° | 15 | 1 1/4" | 1 1/2" | 7/8" | External Tooth Reborable | 3/4" | €137.26 | |
![]() |
S816 | 2" | 14.5° | 16 | 1 1/4" | 1 5/8" | 7/8" to 15/16" | External Tooth Reborable | 3/4" | €139.82 | |
![]() |
S818 | 2 1/4" | 14.5° | 18 | 1 1/4" | 1 7/8" | 7/8" to 1 1/8" | External Tooth Reborable | 3/4" | €149.94 | |
![]() |
S820 | 2 1/2" | 14.5° | 20 | 1 1/4" | 2 1/8" | 7/8" to 1 5/16" | External Tooth Reborable | 3/4" | €167.14 |
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MARTIN SPROCKET S821 Spur Gear, 8 Diametral Pitch, 2.625 Inch Pitch Dia., Reborable, Steel
€172.19 /unit







