FREE delivery on orders over €150
Product Specifications:
| Item | Roller Chain Sprocket |
| Bore Dia. | 0.5" to 1.688" |
| Bore Type | Bushed |
| Bushing Part Number | SH |
| Bushing Size | SH |
| Bushing Type | QD SH |
| Chain Number | 40 |
| Chain Pitch | 1/2" |
| Chain Size | #40 |
| Construction | Solid |
| Construction Type | Solid |
| For Chain Number | 40 |
| For Chain Pitch | 1/2" |
| Hardened Teeth | 1 |
| Hub Configuration | B |
| Hub Dia. | 2 3/4" |
| Hub Outside Dia. | 2 3/4" |
| Individually Packaged | Yes |
| Length Through Bore | 13/16" |
| Length Thru Bore | 0.812" |
| Material | Steel |
| Max. Bore Size | 1 11/16" |
| Min. Bore Size | 1/2" |
| No. Of Chain Rows | 1 |
| No. Of Teeth | 21 |
| Outside Dia. | 3.617" |
| Pitch | 1/2" |
| Pitch Dia. | 3.3548" |
| Product Datasheet | martin-sprocket-100a10.pdf |
| Screw Size | 1/4"-20 |
| Screw Type | UNC |
| Single Strand Tooth Thickness | 0.284" |
| Storage Dimension Height | 15/16" |
| Storage Dimension Length | 3 7/8" |
| Storage Dimension Width | 3 7/8" |
| Type | Type B Single Strand Solid Bushed |
Shipping Info:
| Ship weight (kg) | 0.38 |
| Ship height (cm) | 2.06 |
| Ship length (cm) | 9.19 |
| Ship width (cm) | 9.19 |
| Country of Origin | US |
Documentation:
Product Variants
| Product | Model | Pitch Dia. | No. Of Teeth | Length Through Bore | Hub Dia. | Storage Dimension Length | Storage Dimension Width | Storage Dimension Height | Length Thru Bore | Price | |
|---|---|---|---|---|---|---|---|---|---|---|---|
![]() |
40JA15H | 2.4049" | 15 | 5/8" | 2.05" | 3 1/16" | 3 1/16" | 13/16" | 14/25" | €77.79 | |
![]() |
40JA16H | 2.563" | 16 | 1 1/16" | 2.063" | 3 1/16" | 3 1/16" | 13/16" | 14/25" | €80.26 | |
![]() |
40JA17H | 2.7211" | 17 | 5/8" | 2 1/8" | 3 1/16" | 3 1/16" | 13/16" | 14/25" | €86.43 | |
![]() |
40JA18H | 2.879" | 18 | 1 1/16" | 2.063" | 3.136" | 3.136" | 0.63" | 14/25" | €88.70 | |
![]() |
40JA19H | 3.0378" | 19 | 5/8" | 2 1/8" | 3 1/2" | 3 1/2" | 3/4" | 14/25" | €89.87 | |
![]() |
40SH20H | 3.196" | 20 | 1 5/16" | 2.688" | 3 1/2" | 3 1/2" | 15/16" | 0.812" | €90.47 | |
![]() |
40SH22H | 3.5133" | 22 | 13/16" | 2 3/4" | 3 7/8" | 3 7/8" | 15/16" | 0.812" | €109.82 |
Explore Products
- TB WOODS 7/3VP1400 Narrow V-Belt, Neoprene, 3V Belt Type, 140 inch Length, 7 Ribs
- SMC VALVES CDQ2B125-30DCZ-M9BZ Compact Cylinder, 125Mm Bore Size, 30 Mm Stroke Length
- SMC VALVES NCDQ2A63-100DZ-M9PMDPC Compact Cylinder, Double Acting, Single Rod, 63Mm Bore Size, 100 Mm Stroke Length
- SMC VALVES VFS4110-3DZ-04 Solenoid Valve, 4/5 Port
- BROWNING 153 KD 1 LHUB FB 2289304
- GATES e5mr-500-09 Belt, E5Mr-500-09
- AME INTERNATIONAL 67751 Break Away Torque Wrench, 3/4 Inch Square Drive, 200-750 Ft. Lb Torque
- HUBBELL WIRING DEVICE-KELLEMS BR20TR Straight Receptacle, Duplex, 20A 125V, Brown
Explore More
- KEYSHAFT
- SOUTHWIRE COMPANY
- STRUCTURAL PLASTICS
- SYMMONS
- INTERNATIONAL POWER
- Rags
- Letters and Numbers
- Double-Sided Tapes
- Metal Fabrication Machine Accessories
- Sign Holders
- CONDOR Heat-Resistant Sleeve
- CONDOR Deerskin Leather Gold Driver Gloves
- ANSELL 37-155 Alphatec Solvex Comfortable Chemical Resistant Gloves
- ANSELL Class 00 Electrical Gloves, 11 Inch, Black
- ASHCROFT 1188 Low Pressure Bellow Gauges, Brass
- PASS AND SEYMOUR Fluoroscent Lamp Holders
- WRIGHT TOOL 1/2 Inch Drive 8 Point Standard Sockets
- ALL MATERIAL HANDLING Latch Kits for Grade 100 Sling Hooks
- BLACK & DECKER Handle Covers
- WATTS M500 Series Reduced Pressure Zone Assembly Backflow Preventers
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 40SH21H Sprocket, QD, 40 Chain, 21 Teeth, 3.355 Inch Pitch Dia., 3.617 Inch O.D., Steel
€105.81 /unit


