FREE delivery on orders over €150
Product Specifications:
| Item | Roller Chain Sprocket |
| Bore Diameter | 1 7/16" |
| Bore Size | 1 7/16" |
| Chain Number | 40 |
| Chain Pitch | 1/2" |
| Construction | Welded |
| Construction Type | Welded |
| Finished Bore Size | 1 7/16" |
| For Chain Number | 40 |
| For Chain Pitch | 1/2" |
| Hub Configuration | B |
| Hub Diameter | 3 1/4" |
| Hub Outside Dia. | 3 1/4" |
| Individually Packaged | No |
| Keyway Size | 3/8" x 3/16" |
| Length Through Bore | 1" |
| Length Thru Bore | 1" |
| Material | Steel |
| No. Of Teeth | 38 |
| Number Of Chain Rows | 1 |
| Number Of Teeth | 38 |
| Outside Dia. | 6.334" |
| Pitch | 1/2" |
| Pitch Dia. | 6.0548" |
| Product Datasheet | martin-sprocket-100a10.pdf |
| Set Screw Location | (1) Over Keyway And (1) At 90° |
| Set Screw Size | 3/8"-16 |
| Set Screw Thread Type | Coarse |
| Single Strand Tooth Thickness | 0.284" |
| Storage Dimension Height | 1" |
| Storage Dimension Length | 6.334" |
| Storage Dimension Width | 6.334" |
Shipping Info:
| Ship weight (kg) | 1.67 |
| Ship height (cm) | 2.54 |
| Ship length (cm) | 16.08 |
| Ship width (cm) | 16.08 |
| 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
- MARTIN SPROCKET CMW12014X30 Wing Pulley, Mine Duty, 12 Inch O.D., 3 Inch Max Bore, 14 Inch Face Width, Steel
- GATES E608MXL012 Square Tooth Timing Belt, 0.08 Inch Pitch, 76 Teeth
- SMC VALVES AF20-01-C-A Filter, 1/8 Inch Port Size
- PEER CHAIN 38289 Roller Chain, 50 Feet Length, Stainless Steel
- AIRMASTER FAN 21021 967J Motor, 1/5 Hp, 115 VAC
- PBC LINEAR FJN80
- AMETEK LAMB 216103-00 Armature, 120V, 1.375 Inch Size
- DIXON DBCX1-300RK1 Repair Kit
Explore More
- KEYSHAFT
- PLASTICADE
- SPACEPAK
- VALAD ELECTRIC HEATING CORP.
- LAMONS
- Winch Accessories
- Plastic Strapping
- Rivet Tool Accessories
- Spray Gun Cups
- Surface Testers
- HI TEMP Welding Pipe Wrap
- KEO Combined Drill And Countersink Sets
- EXTECH Digital Multimeters
- DIXON Replacement Plates
- EATON Arc Flash Relays
- ATLANTIC BLOWERS Diffused Aerators
- CLEVELAND VIBRATOR CO. Herc-U-Line F Series Ball Vibrators
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 40BS38 1 7/16 Roller Chain Sprocket, Bore To Size, 1.438 Inch Bore, 6.334 Inch Outside Dia. Steel
€122.46 /unit







