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Product Specifications:
| Item | Roller Chain Sprocket |
| Bore Type | Finished Bore |
| Chain Number | 41 |
| Chain Pitch | 1/2" |
| Construction | Welded |
| Construction Type | Welded |
| Finished Bore Size | 3/4" |
| For Chain Number | 41 |
| For Chain Pitch | 1/2" |
| Hub Configuration | B |
| Hub Diameter | 3 1/4" |
| Hub Outside Dia. | 3 1/4" |
| Individually Packaged | No |
| Length Through Bore | 1 1/16" |
| Length Thru Bore | 1 1/16" |
| Material | Steel |
| Max. Bore Size | 2 3/8" |
| Min. Bore Size | 3/4" |
| Number Of Chain Rows | 1 |
| Number Of Teeth | 40 |
| Outside Dia. | 6.653" |
| Pitch | 1/2" |
| Pitch Dia. | 6.3727" |
| Pitch Diameter | 6.373" |
| Product Datasheet | martin-sprocket-06a15.pdf |
| Single Strand Tooth Thickness | 0.227" |
| Storage Dimension Height | 1 1/16" |
| Storage Dimension Length | 6.65" |
| Storage Dimension Width | 6.65" |
Shipping Info:
| Ship weight (kg) | 1.85 |
| Ship height (cm) | 2.69 |
| Ship length (cm) | 16.89 |
| Ship width (cm) | 16.89 |
| Country of Origin | US |
Documentation:
Product Variants
| Product | Model | Number Of Teeth | Pitch Dia. | Outside Dia. | Length Through Bore | For Chain Number | For Chain Pitch | Bore Type | Pitch | Price | |
|---|---|---|---|---|---|---|---|---|---|---|---|
![]() |
41B6 | 6 | 1" | 1.166" | 7/8" | 41 | 1/2" | Finished Bore | 1/2" | €21.38 | |
![]() |
41B7 | 7 | 1.1524" | 1.338" | 7/8" | 41 | 1/2" | Finished Bore | 1/2" | €21.93 | |
![]() |
41B8 | 8 | 1.3066" | 1.507" | 7/8" | 41 | 1/2" | Finished Bore | 1/2" | €23.02 | |
![]() |
41B9 | 9 | 1.4619" | 1.674" | 7/8" | 41 | 1/2" | Finished Bore | 1/2" | €23.84 | |
![]() |
41B10 | 10 | 1.618" | 1.839" | 7/8" | 41 | 1/2" | Finished Bore | 1/2" | €24.93 | |
![]() |
41B11 | 11 | 1.7747" | 2.003" | 7/8" | 41 | 1/2" | Finished Bore | 1/2" | €25.49 | |
![]() |
41B12 | 12 | 1.9319" | 2.166" | 7/8" | 41 | 1/2" | Finished Bore | 1/2" | €26.85 |
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MARTIN SPROCKET 41B40 Sprocket, 41 Chain, 40 Teeth, 6.373 Inch Pitch Dia., 6.653 Inch O.D., Steel
€94.33 /unit







