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Product Specifications:
| Item | Roller Chain Sprocket |
| Bore Dia. | 1 3/8" |
| Bore Type | Finished Bore |
| Chain Number | 40 |
| Chain Pitch | 1/2" |
| Chain Size | #40 |
| Construction | Solid |
| Construction Type | Solid |
| Finished Bore Size | 1 3/8" |
| For Chain Number | 40 |
| For Chain Pitch | 1/2" |
| Hardened Teeth | 1 |
| Hub Configuration | B |
| Hub Dia. | 2 3/4" |
| Hub Outside Dia. | 2 3/4" |
| Individually Packaged | Yes |
| Key Way Size | 5/16" x 5/32" |
| Length Thru Bore | 1" |
| Material | Steel |
| Max. Bore Size | 1 7/8" |
| Min. Bore Size | 1 3/8" |
| No. Of Chain Rows | 1 |
| No. Of Teeth | 21 |
| Outside Dia. | 3.617" |
| Pitch | 1/2" |
| Pitch Dia. | 3.3548" |
| Screw Size | 0.313"-18 x 0.313" |
| 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 | 0.284" |
| 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) | 0.63 |
| Ship height (cm) | 2.69 |
| Ship length (cm) | 9.19 |
| Ship width (cm) | 9.19 |
| Country of Origin | US |
Product Variants
| Product | Model | Pitch Dia. | No. Of Teeth | Length Through Bore | Hub Dia. | Bore Dia. | Storage Dimension Length | Storage Dimension Width | Length Thru Bore | Price | |
|---|---|---|---|---|---|---|---|---|---|---|---|
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40BS9HT 5/8 | 1.462" | 9 | 7/8" | 1.063" | 5/8" | 1 15/16" | 1 15/16" | 7/8" | €44.55 | |
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40BS10HT 1/2 | 1.618" | 10 | 7/8" | 1 1/4" | 1/2" | 1 15/16" | 1 15/16" | 7/8" | €47.07 | |
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40BS10HT 5/8 | 1.618" | 10 | 7/8" | 1 1/4" | 5/8" | 1 15/16" | 1 15/16" | 7/8" | €47.07 | |
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40BS10HT 3/4 | 1.618" | 10 | 7/8" | 1 1/4" | 3/4" | 1 15/16" | 1 15/16" | 7/8" | €47.07 | |
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40BS11HT 1/2 | 1.7747" | 11 | 7/8" | 1 3/8" | 1/2" | 2 9/16" | 2 9/16" | 7/8" | €49.62 | |
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40BS11HT 5/8 | 1.775" | 11 | 7/8" | 1 3/8" | 5/8" | 2 9/16" | 2 9/16" | 7/8" | €49.62 | |
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40BS11HT 3/4 | 1.7747" | 11 | 7/8" | 1 3/8" | 3/4" | 2 9/16" | 2 9/16" | 7/8" | €49.62 |
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Contact us
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MARTIN SPROCKET 40BS21HT 1 3/8 Roller Chain Sprocket, 1.375 Inch Bore, 3.617 Inch Outside Dia. Steel, Hardened
€96.53 /unit







