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Product Specifications:
| Item | Roller Chain Sprocket |
| Bore Type | Finished Bore |
| Chain Number | 2052 |
| Chain Pitch | 1 1/4" |
| Construction | Solid |
| Construction Type | Solid |
| Finished Bore Size | 0.7188" |
| For Chain Number | 2052 |
| For Chain Pitch | 1 1/4" |
| Hub Configuration | A |
| Hub Diameter | 3 1/4" |
| Individually Packaged | No |
| Length Through Bore | 0.343" |
| Length Thru Bore | 0.315" |
| Material | Steel |
| Min. Bore Size | 0.7188" |
| 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 | 0.343" |
| Storage Dimension Length | 9 1/25" |
| Storage Dimension Width | 9 1/25" |
Shipping Info:
| Ship weight (kg) | 2.29 |
| Ship height (cm) | 0.87 |
| 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. | For Chain Number | For Chain Pitch | Bore Type | Length Through Bore | Pitch | Price | |
|---|---|---|---|---|---|---|---|---|---|---|---|
![]() |
2052A14 | 14 | 5.6174" | 6.23" | 2052 | 1 1/4" | Finished Bore | 0.343" | 1 1/4" | €99.57 | |
![]() |
2052A15 | 15 | 6.0122" | 6.63" | 2052 | 1 1/4" | Finished Bore | 0.343" | 1 1/4" | €103.98 | |
![]() |
2052A16 | 16 | 6.4073" | 7.03" | 2052 | 1 1/4" | Finished Bore | 0.343" | 1 1/4" | €112.15 | |
![]() |
2052A20 | 20 | 7.9906" | 8 16/25" | 2052 | 1 1/4" | Finished Bore | 0.343" | 1 1/4" | €124.71 | |
![]() |
2052A24 | 24 | 9.5766" | 10.24" | 2052 | 1 1/4" | Finished Bore | 0.343" | 1 1/4" | €139.84 | |
![]() |
2052A19 | 19 | 7.5944" | 8 6/25" | 2052 | 1 1/4" | Finished Bore | 0.343" | 1 1/4" | €120.73 | |
![]() |
2052A18 | 18 | 7.198" | 7.84" | 2052 | 1 1/4" | Finished Bore | 0.343" | 1 1/4" | €115.22 |
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Contact us
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We're available Monday through Friday, from 07:30 until 17:00.
MARTIN SPROCKET 2052A21 Sprocket, 2052 Chain, 21 Teeth, 8.387 Inch Pitch Dia., 9.040 Inch O.D., Steel
€121.42 /unit







