FREE delivery on orders over €150
Product Specifications:
| Item | Roller Chain Sprocket |
| Bore Diameter | 1 3/16" |
| Bore Type | Finished Bore |
| Chain Number | 40 |
| Chain Pitch | 1/2" |
| Construction | Welded |
| Construction Type | Welded |
| Finished Bore Size | 1 3/16" |
| For Chain Number | 40 |
| For Chain Pitch | 1/2" |
| Hub Configuration | B |
| Hub Diameter | 4" |
| Hub Outside Dia. | 4" |
| Individually Packaged | No |
| Keyway Size | 1/4" x 1/8" |
| Length Through Bore | 1 1/4" |
| Length Thru Bore | 1 1/4" |
| Material | Steel |
| No. Of Teeth | 70 |
| Number Of Chain Rows | 1 |
| Number Of Teeth | 70 |
| Outside Dia. | 11.433" |
| Pitch | 1/2" |
| Pitch Dia. | 11.1446" |
| Pitch Diameter | 11.145" |
| 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 1/4" |
| Storage Dimension Length | 11.433" |
| Storage Dimension Width | 11.433" |
Shipping Info:
| Ship weight (kg) | 4.82 |
| Ship height (cm) | 3.18 |
| Ship length (cm) | 29.03 |
| Ship width (cm) | 29.03 |
| 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
- LS ELECTRIC L7PB075U-AD Servo Drive, 7.5 Kw, 460 VAC, 3-Phase, Rs-422/Rs-485 Port, Modbus Rtu
- EATON SVX100A1-4A1N1B1C5 Adjustable Frequency Drive, 100HP, PROFIBUS DP, 380-500V, 6 DI, No Brake Chopper, FR8
- MILWAUKEE 49-56-9640 Ice Harden Hole Saw Bi-metal Black 3-3/8in
- HAYWARD HRSTBH220STE Electrically Actuated Two-Way Ball Valve, 2 Inch, CPVC, 120V AC, 250 psi Max. Pressure
- APPLETON ELECTRIC GAM671L125 Floodlight, Power 250W
- PASS AND SEYMOUR 7572-G Locking Plug, 125V, Grounding, Yellow
- T&S 5F-1WLB00 Faucet, Wall Mt., Ceramic Cartridge, Lever Handle, BSP Nipple, Less Nozzle
- SIEMENS BF250 Bolt On Circuit Breaker B 50 Amp 240vac 2p 10kaic@240v
Explore More
- ALLIED TUBE & CONDUIT
- KEYSHAFT
- LEATHERHEAD TOOLS
- ULTRATECH
- PERMAKLEEN
- Impact Sockets
- Ice Bins
- Cup Brushes
- Arbor Spacers
- Key Stock Assortments
- CONDOR Heat Resistant Gloves, Kevlar/Cotton
- MEMPHIS GLOVE NXG Work Gloves, 15 Gauge, White, Nylon Shell
- TURTLESKIN SBL-DG2 Plus Cut Resistant Sleeves
- SPEARS VALVES PVC DWV P309 1/4 Bend Street Long Sweeps, Hub x Spigot
- MARTIN SPROCKET 5050 Taper Bushings
- VESTIL VAN Series Lifter Jibs
- ZSI-FOSTER A70 Series Couplers, 1/4 Inch
- SANDPIPER Heavy Duty Bottom Discharge Ball Valve Pumps, Metallic
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 40BS70 1 3/16 Roller Chain Sprocket, 40 Chain No., 1.188 Inch Bore, 11.433 Inch Outside Dia. Steel
€165.81 /unit







