FREE delivery on orders over €150
Product Specifications:
| Item | Roller Chain Sprocket |
| Bore Dia. | 1 3/4" |
| Bore Size | 1 3/4" |
| Bore Type | Finished Bore |
| Chain Number | 80 |
| Chain Pitch | 1" |
| Chain Size | #80 |
| Construction | Welded |
| Construction Type | Welded |
| Finished Bore Size | 1 3/4" |
| For Chain Number | 80 |
| For Chain Pitch | 1" |
| Hub Configuration | B |
| Hub Dia. | 4 1/4" |
| Hub Outside Dia. | 4 1/4" |
| Individually Packaged | No |
| Key Way Size | 3/8" x 3/16" |
| Length Through Bore | 1 3/4" |
| Length Thru Bore | 1 3/4" |
| Material | Steel |
| No. Of Chain Rows | 1 |
| No. Of Teeth | 21 |
| Outside Dia. | 7.235" |
| Pitch | 1" |
| Pitch Dia. | 6.7095" , 6.71" |
| Screw Size | 3/8"-16 x 3/8" |
| 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 | 0.575" |
| Storage Dimension Height | 1 3/4" |
| Storage Dimension Length | 7.235" |
| Storage Dimension Width | 7.235" |
| Type | Bored to Size Type BS |
Shipping Info:
| Ship weight (kg) | 4.22 |
| Ship height (cm) | 4.45 |
| Ship length (cm) | 18.39 |
| Ship width (cm) | 18.39 |
| Country of Origin | US |
Product Variants
| Product | Model | Pitch Dia. | No. Of Teeth | Length Through Bore | Hub Dia. | Bore Dia. | Storage Dimension Width | Storage Dimension Height | Set Screw Size | Price | |
|---|---|---|---|---|---|---|---|---|---|---|---|
![]() |
80BS9 1 | 2.9238" | 9 | 1 5/8" | 2 1/4" | 1" | 3.347" | 1.63" | 5/16"-18 | €73.18 | |
![]() |
80BS9 1 1/8 | 2.9238" | 9 | 1 5/8" | 2 1/4" | 1 1/8" | 3.347" | 1.63" | 5/16"-18 | €73.18 | |
![]() |
80BS9 1 3/16 | 2.9238" | 9 | 1 5/8" | 2 1/4" | 1 1/2" | 3.347" | 1.63" | 5/16"-18 | €73.18 | |
![]() |
80BS10 1 | 3.236" | 10 | 1 5/8" | 2.563" | 1" | 4 3/4" | 1 14/25" | 5/16"-18 | €80.59 | |
![]() |
80BS10 1 1/8 | 3.236" | 10 | 1 5/8" | 2.563" | 1 1/8" | 4 3/4" | 1 14/25" | 5/16"-18 | €80.59 | |
![]() |
80BS9 1 1/4 | 2.9238" | 9 | 1 5/8" | 2 1/4" | 1 1/4" | 3.347" | 1.63" | 5/16"-18 | €73.18 | |
![]() |
80BS10 1 3/16 | 3.236" | 10 | 1 5/8" | 2.563" | 1 3/16" | 3 1/8" | 1.31" | 5/16"-18 | €80.59 |
Explore Products
- GROVE GEAR GR8320538.31 GR-HMQ832-40-H1-56-31 Right Angle Gear Reducer, 40 to 1 Reduction Ratio, 43 RPM Output, 3303 lb-in Torque, Cast Iron
- NORTH BY HONEYWELL NSB21015 Short Brim Hard Hat, 4-Point Ratchet Suspension, Vented, Red
- SCHLAGE L9080P 07A 626 Storeroom Lockset
- WINSMITH E20MDTD71000PN Worm Gear Reducer, Right Angle Double Worm Gear, Quill Input, Solid Output Shaft
- GRAINGER ZUSAH4X76 O-Ring, 76 mm Inside Dia, 84 mm Outside Dia
- MAGLINER 10815 Mold On Rub Wheel Use With Mfr No. Htmk49c1r
- AIGNEP 87110-02-02 Male Swivel Elbow, 1/8 Inch Tube x 1/8 Inch Swift-Fit
- WINTERS INSTRUMENTS LY162M Ly16 Pipe Mounting Bracket
Explore More
- KEYSHAFT
- OHAUS
- SOLER & PALAU
- CLE-FORCE
- SDC
- Pipe and Valve Covers
- HVLP Paint Sprayer Systems
- LED Decorative Lighting
- Sandpaper Sheet Rolls
- Masonry Miscellaneous Tool Accessories
- ALLPAX GASKET CUTTER SYSTEMS 6100 Series Metric Gasket Cutter Kits With Cutting Board
- OIL SAFE Premium Pump Quick Connect Kits
- CONDOR Clarino/PVC Mechanics Gloves
- LUMAPRO LED Rope Lights With Clear Jackets
- ANVIL AF730 Series Longitudinal And Lateral Seismic Clamps, Black
- WEG Relays
- CENTURY DRILL AND TOOL Abrasive Cut Off and Chop Wheels
- EATON Class ECC04 Non-Combination Mechanically Held Lighting Contactors
- MILWAUKEE Cordless Handheld Concrete Saws
- HOFFMAN CleanTray 45-Degree Elbow Dividers
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 80BS21 1 3/4 Roller Chain Sprocket, Bore To Size, 1.750 Inch Bore, 7.235 Inch Outside Dia. Steel
€173.77 /unit




