FREE delivery on orders over €150
Product Specifications:
| Item | Roller Chain Sprocket |
| Bore Dia. | 7/8" |
| Bore Type | Finished Bore |
| Chain Number | 40 |
| Chain Pitch | 1/2" |
| Chain Size | #40 |
| Construction | Welded |
| Construction Type | Welded |
| Finished Bore Size | 7/8" |
| 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 | 59 |
| Pitch | 1/2" |
| Pitch Dia. | 9.3946" |
| 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 | 9.681" |
| Storage Dimension Width | 9.681" |
| Type | Type B Bored to Size Single Strand Welded |
Shipping Info:
| Ship weight (kg) | 3.35 |
| Ship height (cm) | 2.87 |
| Ship length (cm) | 24.59 |
| Ship width (cm) | 24.59 |
| 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
- LIFT-ALL K916637I 9/16 Inch 6X37 Iwrc Eip A1 Import Wire Rope Cable
- SMC VALVES NCDA1U325-4000-X142US Tie Rod Cylinder
- FLO PRO FP30PCNO Control Switch, Mercury Activated, 5 Amp, 120/230 VAC, 30 Ft. Cable
- SMC VALVES NVZ3140-3L Solenoid Valve, 4/5 Port
- QUANTUM STORAGE SYSTEMS QP216086SS-5 Shelving Unit, 60 Inch W x 21 Inch D x 86 Inch H, 2000 Lbs Load Capacity
- MACURCO BRS-485 70-2900-0012-2
- SMC VALVES MXS12-10B-M9BW Guided Cylinder
- STARRETT 93637-16-08 Band Knife Blade Coil Stock, 3/4 Inch width, Scallop Edge, 16 Ft. 8 Inch Coil
Explore More
- KEYSHAFT
- SURVIVAIR
- TYDENBROOKS
- ERICSON
- SSP SAFETY SYSTEM PRODUCTS
- Storage Trunks and Site Boxes
- Plastic Strapping
- Medical Cart Accessories
- Nut Inserts
- Induction
- DWYER INSTRUMENTS DH3 Series Digihelic Differential Pressure Controllers
- DESTACO 424, 441 Series Squeeze Action Plier Clamps
- CONDOR PU Coated Cut Resistant Gloves, Cut Level A5
- MCR SAFETY Ninja Ice Insulated Yellow Work Gloves
- WESTWARD Fiberglass Extension Ladders, 300 Lbs.
- VERMONT GAGE Go Standard Thread Plug Gages, 5/8-18 Unf
- SPEARS VALVES PVC Y-Check Valves, Flanged Ends, FKM
- APPROVED VENDOR M3 x 0.5 Fully Threaded Wide Hex Button Passivated Stainless Steel Rounded Machine Screws
- BROWNING Helical Shaft Mount Speed Reducers
- UNIWELD TYPE17 Series Tips
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 40BS59 7/8 Roller Chain Sprocket, Bore To Size, 0.875 Inch Bore, 9.681 Inch Outside Dia. Steel
€141.42 /unit







