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 | 44 |
| Outside Dia. | 7.291" |
| Pitch | 1/2" |
| Pitch Dia. | 7.0088" |
| Product Datasheet | martin-sprocket-100a10.pdf |
| 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 Length | 7.291" |
| Storage Dimension Width | 7.291" |
Shipping Info:
| Ship weight (kg) | 2.25 |
| Ship height (cm) | 2.87 |
| Ship length (cm) | 18.52 |
| Ship width (cm) | 18.52 |
| Country of Origin | US |
Documentation:
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
- VOLKEL 44255 Wire Thread Insert, Stainless Steel, BSW 1 Inch x 8 - 1D Size
- CASH VALVE GT11313660 Diaphragm, Neoprene/Cotton
- INSIZE 1211-40 OD/ID Vernier Caliper, 0 Inch to 40 in/0 mm to 1000 mm Range, +/-0.0031 Inch Accuracy
- SMC VALVES ITV1010-31N2CS4 Regulator, 1/4 Inch Size
- GRAND ROCK VK-7 Insert, 7 x 45 Inch Size, Internal Dampner, Aluminized
- PROTO J25054 Impact Socket 2-1/2 Inch Drive 3-3/8 Inch 6 Pt
- DURHAM MANUFACTURING HDCV48-18B-3S1795 Ventilated Cabinet, 12 Gauge, 18 Bin, Red
- OSG 7835036 Exchangeable Milling Head
Explore More
- ELVEX
- KEYSHAFT
- SUPERIOR TOOL
- SECURALL PRODUCTS
- VALLEY INDUSTRIES
- Mop Wringers
- Jet Pump Motors
- PIR Motion Sensors
- Chemical-Resistant C-Face Pump Heads
- Drum Adapters
- CONDOR Cowhide Leather Palomino Driver Gloves
- KRYTOX GPL 105 Series General Purpose Oil
- VIEGA PROPRESS Reducers, Bronze, Press x FTG, EPDM Seal
- VIBCO VS Series Silent Pneumatic Turbine Vibrators
- KEO Combined Drills And Countersinks, Plain Type, 82 Degrees Countersink Angle
- FUNCTIONAL DEVICES INC / RIB Control Relay, 30 A
- WOODHEAD 130097 Series Cord Grip
- EATON E34 Series Legend Plates
- OSG Carbide Double End Ball End Mills
- 80/20 40 Series 40-4030-LITE Two Open T-Slotted Profile Extrusions
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 40BS44 3/4 Roller Chain Sprocket, Bore To Size, 0.750 Inch Bore, 7.291 Inch Outside Dia. Steel
€122.36 /unit







