FREE delivery on orders over €150
Product Specifications:
| Item | Roller Chain Sprocket |
| Bore Diameter | 3/4" |
| Bore Type | Finished Bore |
| Chain Number | 40 |
| Chain Pitch | 1/2" |
| Construction | Welded |
| Construction Type | Welded |
| Finished Bore Size | 3/4" |
| For Chain Number | 40 |
| For Chain Pitch | 1/2" |
| Hub Configuration | B |
| Hub Diameter | 3 1/2" |
| Hub Outside Dia. | 3 1/2" |
| Individually Packaged | No |
| Keyway Size | 3/16" x 3/32" |
| Length Through Bore | 1 1/8" |
| Length Thru Bore | 1 1/8" |
| Material | Steel |
| Number Of Chain Rows | 1 |
| Number Of Teeth | 49 |
| Outside Dia. | 8.088" |
| Pitch | 1/2" |
| Pitch Dia. | 7.8039" |
| 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 | 1.13" |
| Storage Dimension Width | 8.088" |
Shipping Info:
| Ship weight (kg) | 2.66 |
| Ship height (cm) | 2.87 |
| Ship length (cm) | 20.55 |
| Ship width (cm) | 20.55 |
| 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
- TSUBAKI D60B19H
- KIPP K0291.624X040 Fully-Threaded Gripper With Polyurethane Pad, M24, 40 mm Thread Length, 12 mm Pad Top Dia
- REGAL 055474AM25 End Mill With Tin Coated, Double End, M3 Inch Dia., 3-1/16 Inch Length, 2 Flutes
- BOSTON GEAR 232.41.41U Shaft Couplings and Collar
- WILKERSON X02-04-F00 Automatic Drain
- GRAINGER 470-203480B Flute Drill Bit, S Size, 1 3/4 Inch Flute Length, 11/32 Inch Shank Dia
- DAYTON 39UK59 Pocket Air Filter White MERV 13 500 fpm
- DDS IN19.0531.754.76SC Rotary Shaft Oil Seal, Sc, Nitrile, 0.75 Inch ID, 1.25 Inch Od, 0.187 Inch Width
Explore More
- ATCO
- ERICO
- KEYSHAFT
- RAIN BIRD
- STRONGARM
- Safety Training and Reference Materials
- Whips Spatulas and Scrapers
- Collapsible Spill Containment Berms and Pools
- Antennas
- Bronze Flat Bars
- LOUISVILLE FS1300HD Series Fiberglass Step Ladders
- CHICAGO PNEUMATIC CP3850 Series Angle Wheel Grinders
- GLOBE SCIENTIFIC Diamond RealSeal Square HDPE Bottles, Amber, Wide Mouth
- ANVIL C151 Series Cable 90 Eyelets
- ANDERSON METALS CORP. PRODUCTS Forged Street Elbows
- GENERAL PIPE CLEANERS Hot Shot Series Pipe Thawning Units
- EATON 4797 Series Male Pipes
- VALEO GLOVES Antivibration Gloves
- HAMILTON Stainless Steel Workhorse Casters
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 40BS49 3/4 Roller Chain Sprocket, Bore To Size, 0.750 Inch Bore, 8.088 Inch Outside Dia. Steel
€128.55 /unit







