FREE delivery on orders over €150
Product Specifications:
| Item | Roller Chain Sprocket |
| Bore Dia. | 7/8" |
| Bore Size | 7/8" |
| Bore Type | Finished Bore |
| Chain Number | 40 |
| Chain Pitch | 1/2" |
| Chain Size | #40 |
| Construction | Solid With Recess |
| Construction Type | Solid With Recess |
| Finished Bore Size | 7/8" |
| For Chain Number | 40 |
| For Chain Pitch | 1/2" |
| Hub Configuration | B |
| Hub Dia. | 1.593" |
| Hub Outside Dia. | 1 9/16" |
| Hub Recessed For Chain | 1 |
| Individually Packaged | Yes |
| Key Way Size | 3/16" x 3/32" |
| Length Through Bore | 7/8" |
| Length Thru Bore | 7/8" |
| Material | Steel |
| No. Of Chain Rows | 1 |
| No. Of Teeth | 12 |
| Pitch | 1/2" |
| Pitch Dia. | 1.9319" , 1.932" |
| Screw Size | 1/4"-20 x 1/4" |
| 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 | 15/16" |
| Storage Dimension Length | 2 9/16" |
| Storage Dimension Width | 2 9/16" |
| Type | Bored to Size Type BS |
Shipping Info:
| Ship weight (kg) | 0.14 |
| Ship height (cm) | 2.24 |
| Ship length (cm) | 5.51 |
| Ship width (cm) | 5.51 |
| Country of Origin | US |
Product Variants
| Product | Model | Pitch Dia. | No. Of Teeth | Length Through Bore | Hub Dia. | Bore Dia. | Length Thru Bore | Set Screw Size | Key Way Size | Price | |
|---|---|---|---|---|---|---|---|---|---|---|---|
![]() |
40BS9 1/2 | 1.462" | 9 | 7/8" | 1 1/8" | 1/2" | 7/8" | #10-24 | 1/8" x 1/16" | €29.33 | |
![]() |
40BS9 5/8 | 1.462" | 9 | 7/8" | 1 1/8" | 5/8" | 7/8" | 1/4"-20 | 3/16" x 3/32" | €29.33 | |
![]() |
40BS10 1/2 | 1.618" | 10 | 7/8" | 1 1/4" | 1/2" | 7/8" | #10-24 | 1/8" x 1/16" | €30.42 | |
![]() |
40BS10 5/8 | 1.618" | 10 | 7/8" | 1 1/4" | 5/8" | 7/8" | 1/4"-20 | 3/16" x 3/32" | €30.42 | |
![]() |
40BS10 3/4 | 1.618" | 10 | 7/8" | 1 1/4" | 3/4" | 7/8" | 1/4"-20 | 3/16" x 3/32" | €30.42 | |
![]() |
40BS11 1/2 | 1.775" | 11 | 7/8" | 1 3/8" | 1/2" | 7/8" | #10-24 | 1/8" x 1/16" | €31.80 | |
![]() |
40BS11 5/8 | 1.775" | 11 | 7/8" | 1 3/8" | 5/8" | 7/8" | 1/4"-20 | 3/16" x 3/32" | €31.80 |
Explore Products
- PARKER 1P4MA0033938 Pneumatic Cylinder
- E JAMES & CO SCSBUNA-1/4-10 Rubber Cord Buna 1/4 Inch 10 Feet
- SMC VALVES SS5Y5-45NFU-06D-N3 Manifold Base Mount, Din Rail Mount
- STARRETT 92018-14-05-3/4 Band Saw Blade Coil Stock, 1-1/4 Inch Width, 1.3 TPI, Raker Set, 14 Ft. 5-3/4 Inch Coil
- 3M 7100010692 60440272700 / 55581 Hook-and-Loop Sanding Disc, 5 Inch Dia, Aluminum Oxide, P120 Grit, C Weight Paper
- KIPP k0326.10 Spring Plunger Standard Spring Force, Long-Lok D=M10 L=23, Body & Ball Stainless Steel
- PARKER 1PSR00009020 Pneumatic Cylinder
- MICRO 100 BB3-140500X Boring Bar, 0.14 Inch Head Width, 0.5 Inch Max. Bore Depth, 0.003 Inch Radius, AlTiN Coat
Explore More
- BAC INDUSTRIES
- KEYSHAFT
- LCN
- DYNA GLO
- QUICK DAM
- Class RK5 Fuses
- Safety Can Accessories
- Air Velocity Monitor Accessories
- Non-Illuminated Push Button Operators
- ANSELL 56-903 Alphatec Pvc Coat Aprons
- ANSELL 87-198 Alphatec Pink Chemical Resistant Gloves
- TEMPCO Maxiband Heaters
- ANVIL AS400EH Series Channel With Elongated Holes
- ANVIL ASNS Series Clamping Nuts Without Spring
- GRACO 0.010" Airless Spray Gun Tip
- APPROVED VENDOR 1/4"-28 Partially Threaded Zinc Plated Grade 5 Steel Hex Head Cap Screws
- TB WOODS Gear Coupling Hubs
- VESTIL MHGR Series Manhole Guard Rails
- UNISTRUT P5500 Series Channels, 20 Feet
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 40BS12 7/8 Roller Chain Sprocket, 40 Chain No., 0.875 Inch Bore, 2.166 Inch Outside Dia. Steel
€34.80 /unit







