FREE delivery on orders over €150
Product Specifications:
| Item | Roller Chain Sprocket |
| Bore Diameter | 3/4" |
| Bore Size | 3/4" |
| Bore Type | Finished Bore |
| Chain Number | 40 |
| Chain Pitch | 1/2" |
| Construction | Solid |
| Construction Type | Solid |
| Finished Bore Size | 3/4" |
| For Chain Number | 40 |
| For Chain Pitch | 1/2" |
| Hub Configuration | B |
| Hub Diameter | 2 1/2" |
| Hub Outside Dia. | 2 1/2" |
| Individually Packaged | Yes |
| Keyway Size | 3/16" x 3/32" |
| Length Through Bore | 1" |
| Length Thru Bore | 1" |
| Material | Steel |
| No. Of Teeth | 19 |
| Number Of Chain Rows | 1 |
| Number Of Teeth | 19 |
| Outside Dia. | 3.296" |
| Pitch | 1/2" |
| Pitch Dia. | 3.0378" |
| Pitch Diameter | 3.038" |
| Set Screw Location | (1) Over Keyway And (1) At 90° |
| Set Screw Size | 1/4"-20 |
| Set Screw Thread Type | Coarse |
| Single Strand Tooth Thickness | 0.284" |
| Storage Dimension Height | 1.06" |
| Storage Dimension Length | 3 5/8" |
| Storage Dimension Width | 3 5/8" |
Shipping Info:
| Ship weight (kg) | 0.54 |
| Ship height (cm) | 2.69 |
| Ship length (cm) | 8.38 |
| Ship width (cm) | 8.38 |
| 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 Number | Price | |
|---|---|---|---|---|---|---|---|---|---|---|---|
![]() |
40BS9 1/2 | 9 | 1.4619" | 1.674" | 7/8" | #10-24 | (2) 90° Apart (No Keyway) | 1/2" | 40 | €29.33 | |
![]() |
40BS9 5/8 | 9 | 1.4619" | 1.674" | 7/8" | 1/4"-20 | (1) Over Keyway And (1) At 90° | 5/8" | 40 | €29.33 | |
![]() |
40BS10 1/2 | 10 | 1.618" | 1.839" | 7/8" | #10-24 | (2) 90° Apart (No Keyway) | 1/2" | 40 | €30.42 | |
![]() |
40BS10 5/8 | 10 | 1.618" | 1.839" | 7/8" | 1/4"-20 | (1) Over Keyway And (1) At 90° | 5/8" | 40 | €30.42 | |
![]() |
40BS10 3/4 | 10 | 1.618" | 1.839" | 7/8" | 1/4"-20 | (1) Over Keyway And (1) At 90° | 3/4" | 40 | €30.42 | |
![]() |
40BS11 1/2 | 11 | 1.7747" | 2.003" | 7/8" | #10-24 | (2) 90° Apart (No Keyway) | 1/2" | 40 | €31.80 | |
![]() |
40BS11 5/8 | 11 | 1.7747" | 2.003" | 7/8" | 1/4"-20 | (1) Over Keyway And (1) At 90° | 5/8" | 40 | €31.80 |
Explore Products
- WALTER TOOLS P2236005-UNC1/2 6149451 Spiral Point Tap, 1/2-13 Thread Size, 23 mm Thread Length, 110 mm Length, Tin
- PROCON 111E025F11XX Rotary Vane Pump, Brass, 25 GPH, EPDM/Nitrile, No Relief Valve
- GRAINGER 8051_36_36 Aluminum Sheet, 36 Inch Overall Lg, 36 Inch Overall Width, 0.02 Inch ThickBare
- QUANTUM STORAGE SYSTEMS WR9-203BL Wire Shelving Bin System, Complete Wire Package
- HUB CITY 0250-54531 Helical Hypoid Reducer, 2.62 HP, 0.626 Inch I.D, 1.500 Inch O.D, Cast Iron
- MICRO 100 ASM-250-2S Carbide End Mill Diameter 1/4 Inch Cut L 1/2 In
- ANVIL 0862013810 11/2 Imp Forged Steel Socket With 45 Elbow
- STREN-FLEX EEF1-902CB-6 Web Sling Body Body 6 Feet 3200b W 2 In
Explore More
- KEYSCO TOOLS
- KEYSHAFT
- ROLL PRODUCTS
- SANDPIPER
- SOLARTECH POWER
- Display Cases
- Work Vests
- Trench Drain Accessories
- Floor Coating Spiked Shoes
- Antennas
- ULTEM PEI Sheet Stock
- IRONCAT Utility Welding Gloves, Buffalo Leather
- ASSOCIATED SPRING RAYMOND Powerline X170 Gas Springs
- ANVIL AS669 Series 12-Hole Three Angle Clevis Connectors
- DAYTON Replacement Filter Media
- BUSSMANN O Series British and IEC Fuses
- BALDOR / DODGE DL, Wide-Slot Takeup, Ball Bearings
- JOHN GUEST Metric Union Tees, Acetal Black
- BURNDY FD Type Stud Connectors, Copper Stud to Pad
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 40BS19 3/4 Roller Chain Sprocket, 40 Chain No., 0.750 Inch Bore, 3.296 Inch Outside Dia. Steel
€54.27 /unit







