FREE delivery on orders over €150
Product Specifications:
| Item | Roller Chain Sprocket |
| Bore Dia. | 5/8" |
| Bore Type | Finished Bore |
| Chain Number | 40 |
| Chain Pitch | 1/2" |
| Chain Size | #40 |
| Construction | Solid |
| Construction Type | Solid |
| Finished Bore Size | 5/8" |
| For Chain Number | 40 |
| For Chain Pitch | 1/2" |
| Hub Configuration | B |
| Hub Dia. | 2 3/4" |
| Hub Outside Dia. | 2 3/4" |
| Individually Packaged | Yes |
| Length Thru Bore | 1" |
| Material | Steel |
| Max. Bore Size | 1 7/8" |
| Min. Bore Size | 5/8" |
| No. Of Chain Rows | 1 |
| No. Of Teeth | 21 |
| Outside Dia. | 3.617" |
| Pitch | 1/2" |
| Pitch Dia. | 3.3548" , 3.355" |
| Single Strand Tooth Thickness | 0.284" |
| Storage Dimension Height | 1 1/16" |
| Storage Dimension Length | 4 5/16" |
| Storage Dimension Width | 4 5/16" |
| Type | Stock Bore Type B |
Shipping Info:
| Ship weight (kg) | 0.78 |
| Ship height (cm) | 2.7 |
| Ship length (cm) | 9.19 |
| Ship width (cm) | 9.19 |
| Country of Origin | US |
Product Variants
| Product | Model | Material | Pitch Dia. | No. Of Teeth | Length Through Bore | Storage Dimension Length | Storage Dimension Width | Storage Dimension Height | Hub Outside Dia. | Price | |
|---|---|---|---|---|---|---|---|---|---|---|---|
![]() |
40B8 | Steel | 1.307" | 8 | 7/8" | 1 15/16" | 1 15/16" | 15/16" | 0.984" | €23.84 | |
![]() |
40B9 | Steel | 1.462" | 9 | 7/8" | 1 15/16" | 1 15/16" | 15/16" | 1 1/16" | €24.93 | |
![]() |
40B10 | Steel | 1.618" | 10 | 7/8" | 1 15/16" | 1 15/16" | 15/16" | 1 1/4" | €25.49 | |
![]() |
40B11 | Steel | 1.775" | 11 | 7/8" | 2 9/16" | 2 9/16" | 15/16" | 1 3/8" | €27.97 | |
![]() |
40B12 | Steel | 1.932" | 12 | 7/8" | 2 9/16" | 2 9/16" | 15/16" | 1 9/16" | €29.88 | |
![]() |
40B13 | Steel | 2.089" | 13 | 7/8" | 2 9/16" | 2 9/16" | 15/16" | 1 9/16" | €30.42 | |
![]() |
40B14 | Steel | 2.247" | 14 | 7/8" | 2 9/16" | 2 9/16" | 15/16" | 1 11/16" | €30.42 |
Explore Products
- SCIENTIFIC CUTTING TOOLS LHGT030Q-6C 223913 Left Hand Retaining Ring Groove Tool, Solid Carbide, Tin, 0.0305 Groove, 1/4 Shank Dia
- SMC VALVES VSR8-8-YZ-D-1Z-V1 Solenoid Valve, 4/5 Port
- DAYCO 95184 Truck V-belt Industry Number
- SMC VALVES CDQ2B40-25DCZ-M9NVSDPC Compact Cylinder, 40Mm Bore Size, 25 Mm Stroke Length
- EATON HMCP400W5N02 Hmcp Motor Circuit Protector, 600 VAC, 250 VDC, 400A, Magnetic Trip, 3P
- GRAINGER M51300.080.0020 Machine Screw, M8x1.25 Thread Size, SS, 20 mm Lg., Flat, Phillips, Plain
- SMC VALVES CD-M03 Pin, 32 mm Size
- MURRELEKTRONIK 7000-12241-6352500 Cordset, 5-pole, Female to Flying Leads, M12, 25 m, PUR, M12 x 1, 4 A, 125 VAC, 125 VDC, 22 AWG
Explore More
- HOFFMAN
- KEYSHAFT
- LAKESIDE MANUFACTURING
- SPRING USA
- FLO PRO
- Food Storage Shelving
- Woodruff Key Stock
- A/C Refrigerant Line Sets
- Ammonia Refrigeration Pipe Markers
- Pressure Gauge Panel Mount Kits
- IRONCLAD General Utility Work Gloves
- MEMPHIS GLOVE Cut Pro PU Work Gloves
- CONDOR 3 Piece Rainsuit With Detachable Hood, Heavy Duty, PVC, 13.8 mil Thick, Yellow
- ANVIL AS520DS Series Dakota Struts
- ANVIL AS711 Series Z Supports
- APPROVED VENDOR M16 x 2 Smooth Hex External Hex Steel Shoulder Screws
- APPROVED VENDOR #8-32 Fully Threaded Ultra-Low Hex Cylindrical Alloy Steel Socket Head Cap Screws
- ANSELL 96-002 Activarmr Goatskin Leather Protector Gloves
- DUPONT Chemical Resistant Sleeve Aprons
- GUARDIAN EQUIPMENT GBF Series Barrier-Free Emergency Showers
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 40B21 Roller Chain Sprocket, 40 Chain, 21 Teeth, 3.355 Inch Pitch Dia., Steel
€57.27 /unit







