FREE delivery on orders over €150
Product Specifications:
| Item | Roller Chain Sprocket |
| Bore Diameter | 1 1/4" |
| Bore Size | 1 1/4" |
| Bore Type | Finished Bore |
| Chain Number | 40 |
| Chain Pitch | 1/2" |
| Construction | Welded |
| Construction Type | Welded |
| Finished Bore Size | 1 1/4" |
| 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 | 1/4" x 1/8" |
| Length Through Bore | 1 1/8" |
| Length Thru Bore | 1 1/8" |
| Material | Steel |
| Number Of Chain Rows | 1 |
| Number Of Teeth | 48 |
| Outside Dia. | 7.929" |
| Pitch | 1/2" |
| Pitch Dia. | 7.6449" |
| Product Datasheet | martin-sprocket-100a10.pdf |
| 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 | 1.13" |
| Storage Dimension Length | 7.929" |
| Storage Dimension Width | 7.929" |
Shipping Info:
| Ship weight (kg) | 2.34 |
| Ship height (cm) | 2.87 |
| Ship length (cm) | 20.14 |
| Ship width (cm) | 20.14 |
| 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
- MILWAUKEE VALVE BA-100SP2A 12 Ball Valve, 2 Piece, Bronze, 1/2 Inch Valve Size
- BALDOR / DODGE 17A20LR14WP TIGEAR-2 Reducer With White Paint
- OHAUS 30064203 Scale Thermal Printer, 5 1/2 Inch Overall Wd, 3 Inch Overall Ht
- BRADY 7212-1-PK 171410 Pipe Marker, Plant Air, Yellow, Black, Fits 2 1/2 to 7 7/8 Inch Pipe OD, 1 Pipe Marker
- HOFFMAN SY5050AFP 34131 Replacement Front Plate, Fits 500 x 500mm Size, Aluminium
- VERMONT GAGE 911164100 Pin Gage, Class ZZ, Go, BG, 0.641 Inch Size
- VESTIL LM-1T-8-36 Steel Telescoping Lift Boom, 36 Inch Fork Pocket Center, 8000 lb Capacity, Blue and Yellow
- LIFT-ALL KEN125KX18 Roundsling Endless 18 Feet Length 125000 Lb Capacity
Explore More
- KEYSHAFT
- LUXOR
- NITE IZE
- RAMFAN
- CLAUSS
- International Voltage Converters
- Tile Trowels
- LCR Meter
- Door Switches
- Power Conditioners
- TURTLESKIN SFX-DG2 Plus Cut Resistant Sleeves
- CONDOR Leather Gloves, Cowhide, Premium, Full Finger, Wing Thumb
- FACOM 34 Midget Open End Wrenches, 15° And 75° Hinged
- TRITAN SAP Series Pillow Block Bearings
- ANVIL AS711 Series Z Supports
- BUSSMANN Fuse 100a Class
- KELCH Shrink Fit Tool Holder, Hole Diameter M8 Thread
- APPLETON ELECTRIC Compact Fluorescent Lamps Without Ballast
- GATES Super HC Molded Notch V-Belts
- STARRETT Points Only For 67 Improved Scribers
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 40BS48 1 1/4 Roller Chain Sprocket, 40 Chain No., 1.250 Inch Bore, 7.929 Inch Outside Dia. Steel
€127.22 /unit







