FREE delivery on orders over €150
Product Specifications:
| Item | Roller Chain Sprocket |
| Bore Dia. | 3/4" |
| Bore Type | Finished Bore |
| Chain Number | 40 |
| Chain Pitch | 1/2" |
| Chain Size | #40 |
| Construction | Welded |
| Construction Type | Welded |
| Finished Bore Size | 3/4" |
| For Chain Number | 40 |
| For Chain Pitch | 1/2" |
| Hub Configuration | B |
| Hub Dia. | 3 1/2" |
| Hub Outside Dia. | 3 1/2" |
| Individually Packaged | No |
| Key Way Size | 3/16" x 3/32" |
| Length Through Bore | 1 1/8" |
| Length Thru Bore | 1 1/8" |
| Material | Steel |
| No. Of Chain Rows | 1 |
| No. Of Teeth | 51 |
| Pitch | 1/2" |
| Pitch Dia. | 8.122" |
| 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 | 1.13" |
| Storage Dimension Length | 8.407" |
| Storage Dimension Width | 8.407" |
| Type | Type B Bored to Size Single Strand Welded |
Shipping Info:
| Ship weight (kg) | 2.7 |
| Ship height (cm) | 2.87 |
| Ship length (cm) | 21.36 |
| Ship width (cm) | 21.36 |
| 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
- CONTINENTAL 4/3VX425 Banded Cogged V-Belt, 4 Ribs, 42 Inch Outside Length, 1 33/64 Inch Top Width
- J.W. WINCO 631-15-4.5 JW Winco GN631-15-4.5 Thrust Pad
- SMC VALVES NCDA1B150-0050-DUX00793 Tie Rod Cylinder
- SMC VALVES AW60-F10BD-B Filter/Regulator
- 3M 7100040247 60440258188 / 82035 Sanding Belt, 18 Inch Length, 1/2 Inch Width, Zirconia Alumina, 80 Grit, Medium
- DAYTON 13W385 V-belt Banded 2/c105
- REGAL 091214PS Thread Plug Gage, #1/2-20 UNF, Not Go Member 3B, Bright
- PARKER 1P4MA0050039 Pneumatic Cylinder
Explore More
- KEYSHAFT
- REMPHOS
- CARCO
- BLACK JACK
- RAPID RESPONSE CLAMP
- Flexible Barrier System Components
- Indicating Transmitters
- Trailers
- NEMA Magnetic Contactors
- Swing Clamp Arms
- AKRO-MILS 33223 Akro Grid Dividable Plastic Storage Boxes
- PS DOORS Pallet Rack Safety Gates
- ANSELL Class 0 Electrical Gloves, 11 Inch, Yellow
- ANSELL Class 2 Electrical Gloves, 16 Inch, Black
- RUD CHAIN WPP-B Powerpoint Ring Connection Hoist Rings
- APPROVED VENDOR Hex Zinc Plated Grade 5 Steel Rod Coupling Nuts
- DYNALON Connectors
- LEGRIS 3049 Series Twin Banjos
- VOLKEL Short Machine Taps, DIN 40432/DHSS-G
- 3M Highland Vinyl Insulated Fork Terminals
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 40BS51 3/4 Roller Chain Sprocket, Bore To Size, 0.750 Inch Bore, 8.407 Inch Outside Dia. Steel
€131.22 /unit







