FREE delivery on orders over €150
Product Specifications:
| Item | Roller Chain Sprocket |
| Bore Type | Finished Bore |
| Chain Number | 25 |
| Chain Pitch | 1/4" |
| Construction | Solid |
| Construction Type | Solid |
| Finished Bore Size | 3/8" |
| For Chain Number | 25 |
| For Chain Pitch | 1/4" |
| Hub Configuration | A |
| Individually Packaged | No |
| Length Through Bore | 0.11" |
| Length Thru Bore | 0.1065" |
| Material | Steel |
| Min. Bore Size | 3/8" |
| No. Of Teeth | 28 |
| Number Of Chain Rows | 1 |
| Number Of Teeth | 28 |
| Outside Dia. | 2.369" |
| Pitch | 1/4" |
| Pitch Dia. | 2.2329" |
| Product Datasheet | martin-sprocket-100a10.pdf |
| Single Strand Tooth Thickness | 0.11" |
| Storage Dimension Height | 0.11" |
| Storage Dimension Length | 2.369" |
| Storage Dimension Width | 2.369" |
Shipping Info:
| Ship weight (kg) | 0.05 |
| Ship height (cm) | 0.28 |
| Ship length (cm) | 6.02 |
| Ship width (cm) | 6.02 |
| Country of Origin | US |
Documentation:
Product Variants
| Product | Model | Number Of Teeth | Pitch Dia. | Outside Dia. | For Chain Number | For Chain Pitch | Bore Type | Length Through Bore | Pitch | Price | |
|---|---|---|---|---|---|---|---|---|---|---|---|
![]() |
25A36 | 36 | 2.8684" | 3.008" | 25 | 1/4" | Finished Bore | 0.11" | 1/4" | €40.56 | |
![]() |
25A40 | 40 | 3.1864" | 3.327" | 25 | 1/4" | Finished Bore | 0.11" | 1/4" | €41.66 | |
![]() |
25A54 | 54 | 4.2996" | 4.442" | 25 | 1/4" | Finished Bore | 0.11" | 1/4" | €45.21 | |
![]() |
25A60 | 60 | 4.7768" | 4.92" | 25 | 1/4" | Finished Bore | 0.11" | 1/4" | €46.60 | |
![]() |
25A72 | 72 | 5.7314" | 5.876" | 25 | 1/4" | Finished Bore | 0.11" | 1/4" | €49.62 | |
![]() |
25A48 | 48 | 3.8224" | 3.964" | 25 | 1/4" | Finished Bore | 0.11" | 1/4" | €43.59 | |
![]() |
25A26 | 26 | 2.0741" | 2.209" | 25 | 1/4" | Finished Bore | 0.11" | 1/4" | €31.80 |
Explore Products
- GRAINGER ZUSANATSR-154 Natural Sponge Sheet, Std, 12 Inch X 12 Inch Nominal Size, 1/4 Inch Thick, Black
- BOSTON GEAR ORC3FGTHP26
- FENNER DRIVES T602202 Keyless Bushing Diameter 2.125 Inch 8 Bolt
- DIXON B7MPS-G200 CLAMP TEE
- SPEARS VALVES P611-040C Double Wye, All Hub, 4 Size, CPVC
- MASTERDRIVES 3L170 Fractional Horsepower V-Belt, 3L Section
Explore More
- AIR-WAY MANUFACTURING
- BANNER STAKES
- KEYSHAFT
- TIVAR
- SUNPERIAN
- Hand and Bowl Scoops
- Hour Meters
- Combination Strainer/Ball Valves
- ESD and Cleanroom Chairs
- Reflective Clothing Tape
- SALISBURY Class 2 Molded Sleeves
- CAMLOCK FITTINGS Type E Male Cam and Groove Adapter, Hose Shank
- JOHN GUEST Stem Adapters, NPTF Thread, Acetal Gray
- ACME ELECTRIC Three Phase Dry Type Distribution Transformers, 600V Delta Primary Volts, 480Y/277 Tap Secondary Volts
- AMERICRAFT MANUFACTURING Roof Curb, Flat
- SPEARS VALVES PVC UVR Schedule 40 Beige Fitting Tees, Socket x Socket x Socket
- WIHA TOOLS Screwdriver Sets
- ADAPT-ALL 5070L Series Elbows
- SEALMASTER USRBF5517AE Series Unitized Spherical Roller Block Bearings
Contact us
Contact your account manager right away to get personal advice.
We're available Monday through Friday, from 07:30 until 17:00.
MARTIN SPROCKET 25A28 Sprocket, 25 Chain, 28 Teeth, 2.233 Inch Pitch Dia., 2.369 Inch O.D., Steel
€32.89 /unit







