FREE delivery on orders over €150
Product Specifications:
| Item | Roller Chain Sprocket |
| Bore Diameter | 1 7/16" |
| Bore Size | 1 7/16" |
| Bore Type | Finished Bore |
| Chain Number | 40 |
| Chain Pitch | 1/2" |
| Construction | Solid |
| Construction Type | Solid |
| Finished Bore Size | 1 7/16" |
| 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 | 3/8" x 3/16" |
| Length Through Bore | 1" |
| Length Thru Bore | 1" |
| Material | Steel |
| Max. Bore Size | 2 1/4" |
| Min. Bore Size | 1 7/16" |
| Number Of Chain Rows | 1 |
| Number Of Teeth | 25 |
| Outside Dia. | 4.258" |
| Pitch | 1/2" |
| Pitch Dia. | 3.9894" |
| Set Screw Location | (1) Over Keyway And (1) At 90° |
| Set Screw Size | 3/8"-16 |
| Set Screw Thread Type | Coarse |
| Single Strand Tooth Thickness | 0.284" |
| Storage Dimension Height | 1.06" |
| Storage Dimension Length | 4 5/16" |
| Storage Dimension Width | 4 5/16" |
Shipping Info:
| Ship weight (kg) | 0.98 |
| Ship height (cm) | 2.69 |
| Ship length (cm) | 10.82 |
| Ship width (cm) | 10.82 |
| 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 KPAP4010RGMT
- BOSTON GEAR RBS2B-WD Automation
- KIPP K1492.05X50 Hex Head Screw, 8.5mm Head Ht., 8mm Head Wd., Polished, HT, Right Hand, 50mm Fastener Lg.
- BOSTON GEAR 13855 Worm Gear, Ratio 601
- VESTIL EHLTSD-3-51 Steel Double Leg Shorty Scissor Lift Table, 51 Inch Height, 3000 lb Capacity, Blue
- MAIN FILTER INC. MF0422212 182208H3SLF000P Interchange Hydraulic Filter, Glass, 3 Micron Rating, Seal, 6.77 Inch Height
- TB WOODS 1080T258 Grid Hub, Steel, 1080 Size, 2.625 inch Bore Dia., 18144 lbs.-in. Torque
- TEADIT CGF1001.018.112.300 Full Face Cut Gasket, NA1001, 1/8 Inch Thickness, 1-1/2 Inch Size, 300# Class
Explore More
- KEYSHAFT
- TESTO
- TRERICE
- CALBRITE
- SALL
- Gravity Conveyors
- Food Stations
- Enclosure Air Conditioners
- ADA Pads
- Hazardous Location Lighting Signals
- AKRO-MILS 35180 Nest And Stack Totes
- ANSELL 87-209 Alphatec Natural Rubber Latex Gloves
- ASSOCIATED SPRING RAYMOND CU740 Gas Springs
- MUELLER INDUSTRIES 1600-D Chexter Check Valves
- DAYTON Pond Fountain Systems
- SPEEDAIRE Heavy Duty Coalescing Heavy Duty Oil Removal Filter
- EATON 1 Series Heavy Duty Fixed Motors
- BEECH DESIGN & MANUFACTURING Winch Platform Stackers
- SCHNEIDER ELECTRIC Connectors
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 40BS25HT 1 7/16 Roller Chain Sprocket, 1.438 Inch Bore, 4.258 Inch Outside Dia. Steel, Hardened
€118.01 /unit







