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Product Specifications:
| Item | Roller Chain Sprocket |
| Bore Type | Finished Bore |
| Chain Number | 2052 |
| Chain Pitch | 1 1/4" |
| Construction | Welded |
| Construction Type | Welded |
| Finished Bore Size | 3/4" |
| For Chain Pitch | 1 1/4" |
| Hub Configuration | B |
| Hub Diameter | 3 1/4" |
| Hub Outside Dia. | 3 1/4" |
| Individually Packaged | No |
| Length Through Bore | 1 1/4" |
| Length Thru Bore | 1 1/4" |
| Material | Steel |
| Max. Bore Size | 3.225" |
| Min. Bore Size | 3/4" |
| No. Of Teeth | 21 |
| Number Of Chain Rows | 1 |
| Number Of Teeth | 21 |
| Outside Dia. | 9 1/25" |
| Outside Diameter | 9.04" |
| Pitch | 1 1/4" |
| Pitch Dia. | 8.3869" |
| Pitch Diameter | 8.387" |
| Single Strand Tooth Thickness | 0.343" |
| Storage Dimension Height | 1 1/4" |
| Storage Dimension Length | 9 1/25" |
| Storage Dimension Width | 9 1/25" |
Shipping Info:
| Ship weight (kg) | 3.06 |
| Ship height (cm) | 3.18 |
| Ship length (cm) | 22.96 |
| Ship width (cm) | 22.96 |
| Country of Origin | US |
Product Variants
| Product | Model | Number Of Teeth | Pitch Dia. | Outside Dia. | Length Through Bore | For Chain Pitch | For Chain Number | Bore Type | Pitch | Price | |
|---|---|---|---|---|---|---|---|---|---|---|---|
![]() |
2052B8 | 8 | 3.2664" | 3.77" | 1" | 1 1/4" | 2052 | Finished Bore | 1 1/4" | €91.38 | |
![]() |
2052B9 | 9 | 3.6548" | 4.18" | 1" | 1 1/4" | 2052 | Finished Bore | 1 1/4" | €102.68 | |
![]() |
2052B10 | 10 | 4.0451" | 4 3/5" | 1" | 1 1/4" | 2052 | Finished Bore | 1 1/4" | €113.57 | |
![]() |
2052B11 | 11 | 4.4368" | 5.01" | 1" | 1 1/4" | 2052 | Finished Bore | 1 1/4" | €124.72 | |
![]() |
2052B12 | 12 | 4.8296" | 5.42" | 1 1/4" | 1 1/4" | 2052 | Finished Bore | 1 1/4" | €139.84 | |
![]() |
2052B13 | 13 | 5.2232" | 5.82" | 1 1/4" | 1 1/4" | 2052 | Finished Bore | 1 1/4" | €156.82 | |
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2052B14 | 14 | 5.6174" | 6.23" | 1 1/4" | 1 1/4" | 2052 | Finished Bore | 1 1/4" | €164.49 |
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MARTIN SPROCKET 2052B21 Sprocket, 2052 Chain, 21 Teeth, 8.387 Inch Pitch Dia., 9.040 Inch O.D., Steel
€209.85 /unit




