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Product Specifications:
| Item | Roller Chain Sprocket |
| Bore Dia. | 1" |
| Bore Size | 1" |
| Bore Type | Finished Bore |
| Chain Number | 41 |
| Chain Pitch | 1/2" |
| Chain Size | #41 |
| Construction | Solid |
| Construction Type | Solid |
| Finished Bore Size | 1" |
| For Chain Number | 41 |
| For Chain Pitch | 1/2" |
| Hub Configuration | B |
| Hub Dia. | 3 1/4" |
| Hub Outside Dia. | 3 1/4" |
| Individually Packaged | Yes |
| Key Way Size | 1/4" x 1/8" |
| Length Thru Bore | 1" |
| Material | Steel |
| No. Of Chain Rows | 1 |
| No. Of Teeth | 25 |
| Outside Dia. | 4.258" |
| Pitch | 1/2" |
| Pitch Dia. | 3.989" , 3.9894" |
| Screw Size | 5/16"-18 x 5/16" |
| Set Screw Location | (1) Over Keyway And (1) At 90° |
| Set Screw Size | 5/16"-18 |
| Set Screw Thread Type | Coarse |
| Single Strand Tooth Thickness | 0.227" |
| Storage Dimension Height | 1.06" |
| Storage Dimension Length | 4 5/16" |
| Storage Dimension Width | 4 5/16" |
| Type | Bored to Size Type BS |
Shipping Info:
| Ship weight (kg) | 1.04 |
| Ship height (cm) | 2.69 |
| Ship length (cm) | 10.82 |
| Ship width (cm) | 10.82 |
| Country of Origin | US |
Product Variants
| Product | Model | Pitch Dia. | No. Of Teeth | Length Through Bore | Hub Dia. | Bore Dia. | Hub Outside Dia. | Finished Bore Size | Set Screw Size | Price | |
|---|---|---|---|---|---|---|---|---|---|---|---|
![]() |
41BS9 1/2 | 1.462" | 9 | 7/8" | 1 1/8" | 1/2" | 1 1/8" | 1/2" | #10-24 | €27.97 | |
![]() |
41BS9 5/8 | 1.462" | 9 | 7/8" | 1 1/8" | 5/8" | 1 1/8" | 5/8" | 1/4"-20 | €27.97 | |
![]() |
41BS10 1/2 | 1.618" | 10 | 7/8" | 1 1/4" | 1/2" | 1 1/4" | 1/2" | #10-24 | €29.33 | |
![]() |
41BS10 5/8 | 1.618" | 10 | 7/8" | 1 1/4" | 5/8" | 1 1/4" | 5/8" | 1/4"-20 | €29.33 | |
![]() |
41BS10 3/4 | 1.618" | 10 | 7/8" | 1 1/4" | 3/4" | 1 1/4" | 3/4" | 1/4"-20 | €29.33 | |
![]() |
41BS11 1/2 | 1.7747" | 11 | 7/8" | 1 3/8" | 1/2" | 1 7/16" | 1/2" | #10-24 | €30.42 | |
![]() |
41BS11 5/8 | 1.775" | 11 | 7/8" | 1 3/8" | 5/8" | 1 7/16" | 5/8" | 1/4"-20 | €30.42 |
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MARTIN SPROCKET 41BS25 1 Roller Chain Sprocket, 41 Chain No., 1 Inch Bore, 4.258 Inch Outside Dia. Steel
€90.46 /unit







