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" |
| Chain Size | #40 |
| 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 | 3 1/4" |
| Hub Outside Dia. | 3 1/4" |
| Individually Packaged | No |
| Keyway Size | 1/4" x 1/8" |
| Length Through Bore | 1" |
| Length Thru Bore | 1" |
| Material | Steel |
| Number Of Chain Rows | 1 |
| Number Of Teeth | 33 |
| O.d. | 5.536" |
| Outside Dia. | 5.536" |
| Pitch | 1/2" |
| Pitch Dia. | 5.2601" |
| Product Datasheet | martin-sprocket-100a10.pdf |
| Screw Size | 5/16"-18 x 5/16" |
| 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" |
| Storage Dimension Length | 5.536" |
| Storage Dimension Width | 5.536" |
| Type | Type B Bored to Size Single Strand Welded |
Shipping Info:
| Ship weight (kg) | 1.45 |
| Ship height (cm) | 2.54 |
| Ship length (cm) | 14.07 |
| Ship width (cm) | 14.07 |
| 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 | |
![]() |
40BS10 1/2 | 10 | 1.618" | 1.839" | 7/8" | #10-24 | (2) 90° Apart (No Keyway) | 1/2" | 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 | |
![]() |
40BS12 1/2 | 12 | 1.9319" | 2.166" | 7/8" | #10-24 | (2) 90° Apart (No Keyway) | 1/2" | 40 | €34.80 | |
![]() |
40BS13 1/2 | 13 | 2.0893" | 2.329" | 7/8" | #10-24 | (2) 90° Apart (No Keyway) | 1/2" | 40 | €36.45 | |
![]() |
40BS14 1/2 | 14 | 2.247" | 2.491" | 7/8" | #10-24 | (2) 90° Apart (No Keyway) | 1/2" | 40 | €38.36 | |
![]() |
40BS15 1/2 | 15 | 2.4049" | 2.652" | 7/8" | #10-24 | (2) 90° Apart (No Keyway) | 1/2" | 40 | €41.36 |
Explore Products
- WRIGHT TOOL 39-19MM Deep Impact Metric Socket, 3/8 Inch Drive, 6 Point, 19mm
- TITAN FASTENERS JPN05006
- GROVE GEAR GR8300570.32 GR-HMQ830-60-H1-56-32 Worm Reducer, 60:1 Ratio, 0.625 Inch I.D, 2 Inch O.D, Cast Iron
- MILES LUBRICANTS MSF1416005 Gear Oil, Synthetic, Sae Grade 250W, 1 Gal, Jug
- 80/20 7086 Miter and Counterbore, 1030
- GROVE GEAR EL8300156.00 EL-BM830-100-L-210 Worm Reducer, 100:1 Ratio, 0.875 Inch I.D, 1.5 Inch O.D, Aluminum
- BEHRINGER SYSTEMS SHZ41050-PPSB BEHRINGER PIPE SYSTEMS SHZ41050-PPSB
Explore More
- DEFELSKO
- KEYSHAFT
- TJERNLUND
- PURTEST
- BEVEL TOOL
- Thermometers
- Door Closers
- Insulator Washers
- Vacuum Ejectors
- Stainless Steel Foil Rolls
- SHARPE VALVES 316 Stainless Steel Inline Ball Valve, Socket x Socket
- LOUISVILLE FS2000 Series Fiberglass Step Ladders
- CONDOR Cowhide Leather Blue/Gray Palm Gloves
- DESTACO 385-R Series Pull Action Latch Clamps
- ANVIL AS150KO Series Channels With Knock Out
- DIXON Gate Valves
- COOPER B-LINE B598-62 Series Two Hole Z Adapter Plates
- BALDOR / DODGE Setscrew, Flange, Solid Spherical Roller Bearings
- CASH VALVE Buttons
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 40BS33 1 3/16 Roller Chain Sprocket, Bore To Size, 1.188 Inch Bore, 5.536 Inch Outside Dia. Steel
€113.06 /unit







