FREE delivery on orders over €150
Product Specifications:
| Item | Roller Chain Sprocket |
| Bore Dia. | 3/4" |
| Bore Type | Finished Bore |
| Chain Number | 50 |
| Chain Pitch | 5/8" |
| Chain Size | #50 |
| Construction | Welded |
| Construction Type | Welded |
| Finished Bore Size | 3/4" |
| For Chain Number | 50 |
| For Chain Pitch | 5/8" |
| Hub Configuration | B |
| Hub Dia. | 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 | 2 1/4" |
| Min. Bore Size | 3/4" |
| No. Of Chain Rows | 1 |
| No. Of Teeth | 31 |
| Outside Dia. | 6.521" |
| Pitch | 5/8" |
| Pitch Dia. | 6.1778" , 6.178" |
| Single Strand Tooth Thickness | 0.343" |
| Storage Dimension Height | 1 1/4" |
| Storage Dimension Length | 6 13/25" |
| Storage Dimension Width | 6 13/25" |
| Type | Stock Bore Type B |
Shipping Info:
| Ship weight (kg) | 2.12 |
| Ship height (cm) | 3.18 |
| Ship length (cm) | 16.56 |
| Ship width (cm) | 16.56 |
| Country of Origin | US |
Product Variants
| Product | Model | Material | Pitch Dia. | No. Of Teeth | Length Through Bore | Hub Dia. | Bore Dia. | Storage Dimension Length | Storage Dimension Width | Price | |
|---|---|---|---|---|---|---|---|---|---|---|---|
![]() |
50B8 | Steel | 1.6332" | 8 | 1" | 1 1/8" | 5/8" | 2 1/16" | 2 1/16" | €33.41 | |
![]() |
50B9 | Steel | 1.8274" | 9 | 1" | 1 3/8" | 5/8" | 2 1/8" | 2 1/8" | €33.99 | |
![]() |
50B10 | Steel | 2.023" | 10 | 1" | 1.562" | 5/8" | 4.0833" | 4.0833" | €37.25 | |
![]() |
50B11 | Steel | 2.218" | 11 | 1" | 1 3/4" | 5/8" | 2 9/16" | 2 9/16" | €39.75 | |
![]() |
50B12 | Steel | 2.415" | 12 | 1" | 1.984" | 5/8" | 3 1/4" | 3 1/4" | €41.36 | |
![]() |
50B13 | Steel | 2.612" | 13 | 1" | 1 7/8" | 5/8" | 3 1/4" | 3 1/4" | €43.29 | |
![]() |
50B14 | Steel | 2.809" | 14 | 1" | 2 1/8" | 5/8" | 3 1/4" | 3 1/4" | €45.21 |
Explore Products
- SPEARS VALVES 591-012-8SRA Special Reinforced Swing Joint 90 Deg. Elbow, FBTx FPT, 1-1/4 Size, PVC
- WINSMITH E26MDNX21000MM Speed Reducer, 56C Motor Frame, Right Angle Double Worm Gear, Quill Input
- ACME ELECTRIC CE350N016CF3 Industrial Control Transformer, 0.350KVA, 380/400/415-110X220V
- MARTIN SPROCKET D20B13 Sprocket, 20B-2 Chain, 13 Teeth, 132.670 mm Pitch Dia., 153.307 mm O.D., Steel
- SLOAN 3880180
- GATES 3L400 Standard V-Belt, 40 Inch Outside Length
- HUB CITY 0230-72770
- BROWNING 767300 VF2E-118M Ball Bearing, 2-15/16 in OAL/Dia, 1-1/8 in Bore Dia, Gray Painted, Steel, Eccentric Collar, Intermediate Duty Non-Expansion
Explore More
- KEYSHAFT
- MERIT
- OTC TOOLS
- BALDOR / DODGE
- JOHN TILLMAN CO
- Spherical Rod Ends
- Hydraulic Piston Pumps
- Chuck Keys and Holders
- Tool Post Grinders
- Pilot Light Lenses
- ANSELL 11-518 Hyflex Ultralight Polyurethane Cut Resistant Gloves
- SPEEDGLAS Welding Helmet Magnification Plates
- ACME ELECTRIC WI750 Series Medium Voltage Transformers, 3 Phase, 60Hz, 2.5kV & 5kV Class
- H.K. PORTER Center Cut Cutters, Industrial Grade
- GLOBE SCIENTIFIC Wash Bottles, Wide Mouth, LDPE, 250 ml Capacity
- OSBORN Paint Brush
- COLDER PRODUCTS COMPANY NS6 Series, Shut Off Coupling Bodies
- GRAINGER Work Height Platform Trucks
- BALDOR / DODGE XT70 Heavy Duty Wing Pulleys
- SCOTCH 640 Light Duty Packaging Tapes, Clean Removal
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 50B31 Sprocket, 50 Chain, 31 Teeth, 6.178 Inch Pitch Dia., 6.521 Inch O.D., Steel
€104.49 /unit







