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Product Specifications:
| Item | Roller Chain Sprocket |
| Bore Type | Bushed |
| Bushing Part Number | 1610 |
| Chain Number | 41 |
| Chain Pitch | 1/2" |
| Construction | Solid |
| Construction Type | Solid |
| 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 | Yes |
| Length Through Bore | 1" |
| Length Thru Bore | 1" |
| Material | Steel |
| Max. Bore Size | 1 5/8" |
| Min. Bore Size | 1/2" |
| Number Of Chain Rows | 1 |
| Number Of Teeth | 25 |
| Outside Dia. | 4.258" |
| Pitch | 1/2" |
| Pitch Dia. | 3.9894" |
| Product Datasheet | martin-sprocket-100a10.pdf |
| Single Strand Tooth Thickness | 0.227" |
| Storage Dimension Height | 1.06" |
| Storage Dimension Length | 4 5/16" |
| Storage Dimension Width | 4 5/16" |
Shipping Info:
| Ship weight (kg) | 0.68 |
| Ship height (cm) | 2.69 |
| Ship length (cm) | 10.82 |
| Ship width (cm) | 10.82 |
| Country of Origin | US |
Documentation:
Product Variants
| Product | Model | Number Of Teeth | Pitch Dia. | Outside Dia. | Length Through Bore | Bushing Type | For Chain Number | For Chain Pitch | Bore Type | Price | |
|---|---|---|---|---|---|---|---|---|---|---|---|
![]() |
41BTB32 | 32 | 5.1011" | 5.377" | 1" | TB 1610 | 41 | 1/2" | Bushed | €125.63 | |
![]() |
41BTB23 | 23 | 3.672" | 3.938" | 1" | TB 1610 | 41 | 1/2" | Bushed | €106.72 | |
![]() |
41BTB28 | 28 | 4.4657" | 4.738" | 1" | TB 1610 | 41 | 1/2" | Bushed | €116.84 | |
![]() |
41BTB14 | 14 | 2.247" | 2.491" | 7/8" | TB 1008 | 41 | 1/2" | Bushed | €69.78 | |
![]() |
41BTB15 | 15 | 2.4049" | 2.652" | 7/8" | TB 1008 | 41 | 1/2" | Bushed | €70.71 | |
![]() |
41BTB16 | 16 | 2.5629" | 2.814" | 7/8" | TB 1008 | 41 | 1/2" | Bushed | €72.20 | |
![]() |
41BTB17 | 17 | 2.7211" | 2.975" | 1" | TB 1210 | 41 | 1/2" | Bushed | €79.12 |
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Contact us
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MARTIN SPROCKET 41BTB25 Sprocket, 41 Chain, 25 Teeth, 3.989 Inch Pitch Dia., 4.258 Inch O.D., Steel
€108.34 /unit


