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Martin Sprocket S1242 steel spur gear with 12 diametral pitch, 42 teeth, and 14.5-degree pressure angle. Plain bore design for custom shaft fitting. Outside diameter: 3.666".
MODEL S1242
Contact supplier for technical support on: 323-728-8117
$110.08 Each
Prices are subject to change
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Typically Ships in: 1 day
Returnable: See conditions
Material
Steel
Number Of Teeth
42
Outside Dia
3.666"
| Material | Steel | Face Width | 0.750 in. |
|---|---|---|---|
| Diametral Pitch | 12 | Bore Type | Reborable |
| Pressure Angle | 14.500 deg. | Set Screw Size | NONE in. |
| Number of Teeth | 42 | Set Screw Location | None |
| Pitch Diameter | 3.500 in. | Hub Outside Diameter | 2.500 in. |
| Outside Diameter | 3.666 in. | Hub Projection | 0.625 in. |
| Storage Dimension Width | 3.666 in. | Individually Packaged | No |
|---|---|---|---|
| Storage Dimension Height | 1.380 in. |
SKU: 250096
Durable and high quality
I bought a second one to keep as a spare, but the first one still hasn’t shown any signs of wear. Seems like a quality part.
Read moreSKU: 262463
70 tooth #41 chain sprocket
The sprocket arrived on time, fit perfectly and was priced well. MRO SUPPLY is your best choice for hard to find sprockets!
Read moreSKU: 250207
Perfect
Perfect replacement part, Good purchase experience. I would use MRO again.
Read more
#35265
Brand
Boston Gear
Model
ND42A
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SKU: 250096
Durable and high quality
I bought a second one to keep as a spare, but the first one still hasn’t shown any signs of wear. Seems like a quality part.
Read moreSKU: 262463
70 tooth #41 chain sprocket
The sprocket arrived on time, fit perfectly and was priced well. MRO SUPPLY is your best choice for hard to find sprockets!
Read moreSKU: 250207
Perfect
Perfect replacement part, Good purchase experience. I would use MRO again.
Read moreItem must be unused.
Item must be in it's original package.
Restocking, shipping and handling fees may apply to any return with this manufacturer.
For more information please consult https://www.mrosupply.com/page/returnwarranty-policy/