FREE delivery on orders over €150
Product Specifications:
| Item | Roller Chain Sprocket |
| Bore Diameter | 1 1/4" |
| Bore Size | 1 1/4" |
| Bore Type | Finished Bore |
| Chain Number | 50 |
| Chain Pitch | 5/8" |
| Construction | Welded |
| Construction Type | Welded |
| Finished Bore Size | 1 1/4" |
| For Chain Number | 50 |
| For Chain Pitch | 5/8" |
| 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 1/4" |
| Length Thru Bore | 1 1/4" |
| Material | Steel |
| Number Of Chain Rows | 1 |
| Number Of Teeth | 31 |
| Outside Dia. | 6.521" |
| Pitch | 5/8" |
| Pitch Dia. | 6.1778" |
| Product Datasheet | martin-sprocket-100a10.pdf |
| 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 | 0.343" |
| Storage Dimension Height | 1 1/4" |
| Storage Dimension Length | 6.521" |
| Storage Dimension Width | 6.521" |
Shipping Info:
| Ship weight (kg) | 2.13 |
| Ship height (cm) | 3.18 |
| Ship length (cm) | 16.56 |
| Ship width (cm) | 16.56 |
| Country of Origin | US |
Documentation:
Product Variants
| Product | Model | Pitch Dia. | Number Of Teeth | Outside Dia. | Length Through Bore | Set Screw Size | Bore Size | For Chain Number | For Chain Pitch | Price | |
|---|---|---|---|---|---|---|---|---|---|---|---|
![]() |
50BS9 5/8 | 1.8274" | 9 | 2.092" | 1" | 1/4"-20 | 5/8" | 50 | 5/8" | €40.29 | |
![]() |
50BS9 3/4 | 1.8274" | 9 | 2.092" | 1" | 1/4"-20 | 3/4" | 50 | 5/8" | €40.29 | |
![]() |
50BS10 5/8 | 2.0225" | 10 | 2.299" | 1" | 1/4"-20 | 5/8" | 50 | 5/8" | €43.29 | |
![]() |
50BS10 3/4 | 2.0225" | 10 | 2.299" | 1" | 1/4"-20 | 3/4" | 50 | 5/8" | €43.29 | |
![]() |
50BS10 7/8 | 2.0225" | 10 | 2.299" | 1" | 1/4"-20 | 7/8" | 50 | 5/8" | €43.29 | |
![]() |
50BS10 1 | 2.0225" | 10 | 2.299" | 1" | 5/16"-18 | 1" | 50 | 5/8" | €43.29 | |
![]() |
50BS11 5/8 | 2.218" | 11 | 2.504" | 1" | 1/4"-20 | 5/8" | 50 | 5/8" | €45.21 |
Explore Products
- LIFT-ALL UU1803NX3 Web Sling Steel Unilink L3ft 4800lb W3in
- EATON DH364NRKV Fusible Safety Switch, 600VAC, 200 50 Hp, 125 Hp, 150 Hp, Tpst Contact, 3P
- SYSTEM SENSOR SGRL Compact Strobe, Marked Fire, Red, Wall, 1 15/16 Inch Depth, 5 1/4 Inch Length
- STEARNS BRAKES 108703500EZF
- WALTER TOOLS 7462120 Jobber Length Drill Bit, 7.60 mm Size, 91 mm Overall Length, Carbide
- PLAST-O-MATIC GGMUEP160-PP-A4 Gauge Guard, Polypro, NPT Threaded Connection, EPDM Seal, 0-160 PSI Gauge Size
- OSG 233-7500 Jobber Length Drill Bit, 3/4 Inch Size Drill Bit Size, 5 3/4 Inch Overall Length
- LITTLE GIANT PUMPS 95300745 7SV1P4-3W230 Submersible Pump, 1 Hp
Explore More
- ADAMS RITE
- DEVILBISS
- KEYSHAFT
- LOVEJOY
- BLACKBURN SAMPLING
- Magnetic Pickups
- PAPR
- Piston Air Compressor/Vacuum Pump
- Blade Disposals
- Dock Plates and Boards
- BOLLE SAFETY Rush Safety Glasses
- MILLER BY HONEYWELL Double D-Ring Body Belts, Without Pad
- TYGON B-44-4X Tubings
- GLOBE SCIENTIFIC Labeling Tapes, 3/4 Inch x 60 Yard per Roll
- ANVIL AS926 Series Strut Braces
- AMERIC Electric Confined Space Ventilators, Fans & Blowers
- SUPER MET-AL Galvanized Steel Markers
- YANKEE 451 Morse Taper Socket, Straight Shank, Finishing Reamer
- JUNO LIGHTING GROUP Under Cabinet Lights
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 50BS31 1 1/4 Roller Chain Sprocket, Bore To Size, 1.250 Inch Bore, 6.521 Inch Outside Dia. Steel
€125.45 /unit







