FREE delivery on orders over €150
Product Specifications:
| Item | Roller Chain Sprocket |
| Bore Diameter | 1 1/4" |
| Bore Size | 1 1/4" |
| Bore Type | Finished Bore |
| Chain Number | 40 |
| Chain Pitch | 1/2" |
| Construction | Solid |
| Construction Type | Solid |
| Finished Bore Size | 1 1/4" |
| For Chain Number | 40 |
| For Chain Pitch | 1/2" |
| Hardened Teeth | 1 |
| Hub Configuration | B |
| Hub Outside Dia. | 2 5/16" |
| Individually Packaged | Yes |
| Keyway Size | 1/4" x 1/8" |
| Length Through Bore | 1" |
| Length Thru Bore | 1" |
| Material | Steel |
| Max. Bore Size | 1 1/2" |
| Min. Bore Size | 1 1/4" |
| No. Of Teeth | 18 |
| Number Of Chain Rows | 1 |
| Number Of Teeth | 18 |
| Outside Dia. | 3.136" |
| Pitch | 1/2" |
| Pitch Dia. | 2.8794" |
| Pitch Diameter | 2.879" |
| 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 | 1.06" |
| Storage Dimension Length | 3 1/4" |
| Storage Dimension Width | 3 1/4" |
Shipping Info:
| Ship weight (kg) | 0.41 |
| Ship height (cm) | 2.69 |
| Ship length (cm) | 7.98 |
| Ship width (cm) | 7.98 |
| 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
- IGUS SVL201-SAW Motor Mount, Anodized Aluminum, Axial
- APOLLO VALVES 6300242 KITSS, PROX SW. TO 82103
- DAYTON 7AR04 Reversible Fan With Drive Package 115/208-230v
- PEER CHAIN 1368 Leaf Chain, 50 Feet Length
- MILLER-SMITH EQUIPMENT SC60-3 Cutting Tip Sc
- APPLETON ELECTRIC EDS250-R1 Tumbler Switch, 2 Gangs, Dead-End Hub, 1/2 Inch Hub, 20A, 120 to 277V AC
- FIBERGRATE 350524
- TITAN FASTENERS JMA04010
Explore More
- KEYSHAFT
- THUEMLING
- BUCKET BOSS
- SWITCH COMPONENTS
- MEPCO
- Grommet Edging
- Bedpan Washers
- PIR Motion Sensors
- Load Leveling Slings
- Motor Control Accessories
- ANSELL 97-003 Activarmr Cut Resistant Gloves
- IRONCLAD Heatworx Reinforced Duty Gloves
- MUELLER INDUSTRIES 105MHT Silent Check Valves
- VIKAN 16" Floor Squeegee
- CJT KOOLCARB Style 290, Carbide-Tipped Extra Long Drill Bit, Uncoated Finish
- SPEARS VALVES PVC Class 160 IPS Fabricated Fitting Reducer Couplings, Socket x Socket
- SMC VALVES C95 Series Tie-Rod Cylinder
- LITTELFUSE L70QS Series Powrspeed High-Speed Round Body Fuses
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 40BS18HT 1 1/4 Roller Chain Sprocket, 1.250 Inch Bore, 3.136 Inch Outside Dia. Steel, Hardened
€76.41 /unit







