FREE delivery on orders over €150
Product Specifications:
| Item | Roller Chain Sprocket |
| Bore Diameter | 1 1/8" |
| Bore Size | 1 1/8" |
| Bore Type | Finished Bore |
| Chain Number | 40 |
| Chain Pitch | 1/2" |
| Construction | Solid |
| Construction Type | Solid |
| Finished Bore Size | 1 1/8" |
| For Chain Number | 40 |
| For Chain Pitch | 1/2" |
| Hardened Teeth | 1 |
| Hub Configuration | B |
| Hub Diameter | 3 1/4" |
| Hub Outside Dia. | 3 1/4" |
| Individually Packaged | Yes |
| Keyway Size | 1/4" x 1/8" |
| Length Through Bore | 1" |
| Length Thru Bore | 1" |
| Material | Steel |
| Max. Bore Size | 2 1/4" |
| Min. Bore Size | 1 1/8" |
| No. Of Teeth | 30 |
| Number Of Chain Rows | 1 |
| Number Of Teeth | 30 |
| Outside Dia. | 5.057" |
| Pitch | 1/2" |
| Pitch Dia. | 4.7834" |
| Set Screw Location | (1) Over Keyway And (1) At 90° |
| Set Screw Size | 5/16"-18 |
| Set Screw Thread Type | Coarse |
| Single Strand Tooth Thickness | 0.284" |
| Storage Dimension Height | 1.13" |
| Storage Dimension Length | 5 1/4" |
| Storage Dimension Width | 5 1/4" |
Shipping Info:
| Ship weight (kg) | 1.24 |
| Ship height (cm) | 2.87 |
| Ship length (cm) | 12.85 |
| Ship width (cm) | 12.85 |
| Country of Origin | US |
Product Variants
| Product | Model | Number Of Teeth | Pitch Dia. | Outside Dia. | Length Through Bore | Set Screw Size | Set Screw Location | Bore Size | For Chain Pitch | Price | |
|---|---|---|---|---|---|---|---|---|---|---|---|
![]() |
40BS9HT 5/8 | 9 | 1.4619" | 1.674" | 7/8" | 1/4"-20 | (1) Over Keyway And (1) At 90° | 5/8" | 1/2" | €44.55 | |
![]() |
40BS10HT 1/2 | 10 | 1.618" | 1.839" | 7/8" | 1/4"-20 | (2) 90° Apart (No Keyway) | 1/2" | 1/2" | €47.07 | |
![]() |
40BS10HT 5/8 | 10 | 1.618" | 1.839" | 7/8" | 1/4"-20 | (1) Over Keyway And (1) At 90° | 5/8" | 1/2" | €47.07 | |
![]() |
40BS10HT 3/4 | 10 | 1.618" | 1.839" | 7/8" | 1/4"-20 | (1) Over Keyway And (1) At 90° | 3/4" | 1/2" | €47.07 | |
![]() |
40BS11HT 1/2 | 11 | 1.7747" | 2.003" | 7/8" | #10-24 | (1) Over Keyway And (1) At 90° | 1/2" | 1/2" | €49.62 | |
![]() |
40BS11HT 5/8 | 11 | 1.7747" | 2.003" | 7/8" | 1/4"-20 | (1) Over Keyway And (1) At 90° | 5/8" | 1/2" | €49.62 | |
![]() |
40BS11HT 3/4 | 11 | 1.7747" | 2.003" | 7/8" | 1/4"-20 | (1) Over Keyway And (1) At 90° | 3/4" | 1/2" | €49.62 |
Explore Products
- APPLETON ELECTRIC FRN1C2408SBU Hazardous Lighting Fixture, 277V
- BRENNAN INDUSTRIES N2707-LN-12-12-SS AN Bulkhead Union, 316 Stainless Steel, Compression x 37 Deg Flare
- ANVIL 0500005129 Steel Washer Plate, 1 3/4 Inch Rod Size (a), Black Finish
- EATON A25SNC30AC Definite Purpose Starter, 30A, 110-120 V, 50/60 Hz, 1Nc, 3-Phase, Non-Reversing
- EATON DH223NCK Heavy Duty Fusible Single Safety Switch, 240 VAC, 100A, 2P
- EATON E51SCL6P20 Inductive Proximity Switch, 1A Solid State Output, 20 Ft. Cable, 120 VAC Input
- MORSE CUTTING TOOLS 43537 Cutting End Mill, 1Â 5/8 x 1Â 1/4 x 2 x 4Â 1/2 Inch Size, 6 Flute, Single End
- BROWNING 187803 TP50LX 1 5/8 Torque Limiter
Explore More
- CARBONE LORRAINE
- FLAREALERT
- KEYSHAFT
- MTS SAFETY
- TEEJET
- Engine-Driven Compressor Controls
- Wire Rope Swage Eye Fittings
- Bulkhead Tank Fittings
- Motion Sensor Accessories
- Water Level Control Accessories
- RINGERS GLOVES Heavy Duty Impact Gloves
- CONDOR General Purpose Gloves, Gray/White, Smooth PU
- ANVIL AS1100 Series Rigid Steel Conduit Clamps, Electro Galvanized
- WALTER TOOLS RDMW Carbide Milling Insert
- SPEARS VALVES Schedule 80 CPVC Gray Clamp-On Saddles, SR Threaded, Single Outlet, with EPDM O-ring Seal and Zinc-Plated Hardware
- SPEARS VALVES Polypropylene Butterfly Valve Standard Valve Seat Repair Kits, Buna-N
- GEDORE Preset Torque Wrenches
- BURNDY UNITAP In-Line Multi-Tap Connectors, Clear, Insulated
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 40BS30HT 1 1/8 Roller Chain Sprocket, 1.125 Inch Bore, 5.057 Inch Outside Dia. Steel, Hardened
€142.53 /unit







