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Product Specifications:
| Item | Roller Chain Sprocket |
| Bore Dia. | 0.75" to 2.688" |
| Bore Type | Bushed |
| Bushing Part Number | Q1 |
| Bushing Size | Q1 |
| Bushing Type | MST Q1 |
| Chain Number | 120 |
| Chain Pitch | 1 1/2" |
| Chain Size | #120 |
| Construction | Solid |
| Construction Type | Solid |
| For Chain Number | 120 |
| For Chain Pitch | 1 1/2" |
| Hardened Teeth | 1 |
| Hub Configuration | B |
| Hub Dia. | 4" |
| Hub Outside Dia. | 4" |
| Individually Packaged | No |
| Key Way Size | 1/2" |
| Keyway Width | 1/2" |
| Length Through Bore | 1 3/4" |
| Length Thru Bore | 1 3/4" |
| Material | Steel |
| Max. Bore Size | 2 11/16" |
| Min. Bore Size | 3/4" |
| No. Of Chain Rows | 1 |
| No. Of Teeth | 12 |
| Outside Dia. | 6.498" |
| Pitch | 1 1/2" |
| Pitch Dia. | 5.7956" |
| Product Datasheet | martin-sprocket-100a10.pdf |
| Single Strand Tooth Thickness | 0.924" |
| Storage Dimension Height | 1 3/4" |
| Storage Dimension Length | 6.498" |
| Storage Dimension Width | 6.498" |
| Type | Type 4 Single Strand Solid Bushed |
Shipping Info:
| Ship weight (kg) | 2.68 |
| Ship height (cm) | 4.45 |
| Ship length (cm) | 16.51 |
| Ship width (cm) | 16.51 |
| Country of Origin | US |
Documentation:
Product Variants
| Product | Model | Pitch Dia. | No. Of Teeth | Length Through Bore | Hub Dia. | Bore Dia. | Chain Size | Storage Dimension Length | Storage Dimension Width | Price | |
|---|---|---|---|---|---|---|---|---|---|---|---|
![]() |
120R32 | 15.3034" | 32 | 2" | 5 1/2" | 1 1/8" to 3 3/4" | #120 | 16.13" | 16.13" | €1,096.59 | |
![]() |
120R35 | 16.7337" | 35 | 4" | 5 1/2" | 1 3/8" to 3 5/8" | #120 | 17.566" | 17.566" | €1,122.66 | |
![]() |
120R36 | 17.211" | 36 | 4" | 5 1/2" | 1 3/8" to 3 5/8" | 120 | 18.045" | 18.045" | €1,080.64 | |
![]() |
120R40 | 19.1182" | 40 | 4" | 5 1/2" | 1 3/8" to 3 5/8" | #120 | 19.959" | 19.959" | €1,139.43 | |
![]() |
120S40 | 19.118" | 40 | 4 7/8" | 6 3/8" | 1.688" to 4.25" | 120 | 19.959" | 19.959" | €1,139.43 | |
![]() |
120S42 | 20.0722" | 42 | 3 5/16" | 6 1/2" | 1.688" to 4.25" | #120 | 20.916" | 20.916" | €1,092.09 | |
![]() |
120R45 | 21.5034" | 45 | 4" | 5 1/2" | 1 3/8" to 3 5/8" | #120 | 22.351" | 22.351" | €1,308.19 |
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MARTIN SPROCKET 120Q12H Sprocket, 120 Chain, 12 Teeth, 5.796 Inch Pitch Dia., 6.498 Inch O.D., Steel
€450.80 /unit




