MARTIN SPROCKET 120R21H Sprocket, 120 Chain, 21 Teeth, 10.064 Inch Pitch Dia., 10.852 Inch O.D., Steel
10.852"
Get it by Monday, Mar 2
€706.07 /unit
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Product Specifications:
| Item | Roller Chain Sprocket |
| Bore Type | Bushed |
| Bushing Part Number | R1 |
| Bushing Size | R1 |
| Chain Number | 120 |
| Chain Pitch | 1 1/2" |
| Construction | Welded |
| Construction Type | Welded |
| For Chain Number | 120 |
| For Chain Pitch | 1 1/2" |
| Hardened Teeth | 1 |
| Hub Configuration | B |
| Hub Outside Dia. | 5 1/2" |
| Individually Packaged | No |
| Keyway Size | 3/4" |
| Keyway Width | 3/4" |
| Length Through Bore | 2" |
| Length Thru Bore | 2" |
| Material | Steel |
| Max. Bore Size | 3 3/4" |
| Min. Bore Size | 1 1/8" |
| No. Of Teeth | 21 |
| Number Of Chain Rows | 1 |
| Number Of Teeth | 21 |
| Outside Dia. | 10.852" |
| Pitch | 1 1/2" |
| Pitch Dia. | 10.0643" |
| Product Datasheet | martin-sprocket-100a10.pdf |
| Single Strand Tooth Thickness | 0.924" |
| Storage Dimension Height | 2" |
| Storage Dimension Length | 10.852" |
| Storage Dimension Width | 10.852" |
Shipping Info:
| Ship weight (kg) | 8.55 |
| Ship height (cm) | 5.08 |
| Ship length (cm) | 27.56 |
| Ship width (cm) | 27.56 |
| Country of Origin | US |
Documentation:
Product Variants
| Product | Model | Number Of Teeth | Outside Dia. | Pitch Dia. | Bore Type | Length Through Bore | Bushing Type | For Chain Pitch | For Chain Number | Price | |
|---|---|---|---|---|---|---|---|---|---|---|---|
![]() |
120Q11H | 11 | 6.009" | 5.3242" | Bushed | 2 1/2" | Type Q1 Split Taper | 1 1/2" | 120 | €413.23 | |
![]() |
120Q12H | 12 | 6.498" | 5.7956" | Bushed | 1 3/4" | MST Q1 | 1 1/2" | 120 | €450.80 | |
![]() |
120Q13H | 13 | 6.986" | 6.2679" | Bushed | 2 1/2" | Type Q1 Split Taper | 1 1/2" | 120 | €510.99 | |
![]() |
120Q14H | 14 | 7.472" | 6.7409" | Bushed | 1 3/4" | MST Q1 | 1 1/2" | 120 | €559.78 | |
![]() |
120Q15H | 15 | 7.957" | 7.2146" | Bushed | 1 3/4" | MST Q1 | 1 1/2" | 120 | €619.37 | |
![]() |
120Q16H | 16 | 8.441" | 7.6887" | Bushed | 1 3/4" | MST Q1 | 1 1/2" | 120 | €589.42 | |
![]() |
120Q17H | 17 | 8.924" | 8.1633" | Bushed | 1 3/4" | MST Q1 | 1 1/2" | 120 | €653.70 |
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MARTIN SPROCKET 120R21H Sprocket, 120 Chain, 21 Teeth, 10.064 Inch Pitch Dia., 10.852 Inch O.D., Steel
€706.07 /unit



