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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 | Type Q1 Split Taper |
| Chain Number | 100 |
| Chain Pitch | 1 1/4" |
| Chain Size | 100 |
| Construction | Welded |
| Construction Type | Welded |
| For Chain Number | 100 |
| For Chain Pitch | 1 1/4" |
| Hardened Teeth | 1 |
| Hub Configuration | B |
| Hub Dia. | 4 1/4" |
| Hub Outside Dia. | 4 1/4" |
| Individually Packaged | No |
| Key Way Size | 1/2" |
| Length Through Bore | 2 1/2" |
| 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 | 21 |
| Outside Dia. | 9.043" |
| Pitch | 1 1/4" |
| Pitch Dia. | 8.3869" , 8.387" |
| Single Strand Tooth Thickness | 0.692" |
| Storage Dimension Height | 1 3/4" |
| Storage Dimension Length | 9.043" |
| Storage Dimension Width | 9.043" |
| Type | MST Q1 Bushed Type 4 Welded |
Shipping Info:
| Ship weight (kg) | 4.88 |
| Ship height (cm) | 6.35 |
| Ship length (cm) | 22.96 |
| Ship width (cm) | 22.96 |
| Country of Origin | US |
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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|
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100Q32 | 12.7529" | 32 | 1 3/4" | 4 1/4" | 0.75" to 2.688" | #100 | 13.441" | 13.441" | €624.82 | |
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100R32 | 12.7529" | 32 | 2" | 5 1/2" | 1 1/8" to 3 3/4" | #100 | 13.441" | 13.441" | €624.82 | |
![]() |
100Q35 | 13.9448" | 35 | 1 3/4" | 4 1/8" | 0.75" to 2.688" | #100 | 14.639" | 14.639" | €747.51 | |
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100R35 | 13.945" | 35 | 2 7/8" | 5 3/8" | 1 1/8" to 3 3/4" | 100 | 14.639" | 14.639" | €747.51 | |
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100R40 | 15.9319" | 40 | 2" | 5 3/8" | 1 1/8" to 3 3/4" | #100 | 16.633" | 16.633" | €794.11 | |
![]() |
100R42 | 16.727" | 42 | 2 7/8" | 5 3/8" | 1 1/8" to 3 3/4" | 100 | 17.43" | 17.43" | €813.51 | |
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100R54 | 21.498" | 54 | 2" | 5 3/8" | 1 1/8" to 3 3/4" | #100 | 22.212" | 22.212" | €1,093.58 |
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Contact us
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MARTIN SPROCKET 100Q21H Roller Chain Sprocket, 100 Chain, Bushed MST, 21 Teeth, 8.387 Inch Pitch Dia., Steel
€554.40 /unit




